I'm using a Toshiba and works great. Tried several sanyos, and even
a Cdburner (scsi) all worked.
Allison
-----Original Message-----
From: THETechnoid(a)home.com <THETechnoid(a)home.com>
To: classiccmp(a)classiccmp.org <classiccmp(a)classiccmp.org>
Date: Sunday, January 21, 2001 11:17 AM
Subject: Re: CD-ROM drive for VAXstation 3100 Model 76
>I tried several drives from different makers. All were 512byte
jumperable
>and would boot backup from the cd, but when you try to perform the
>restore, the system bombs.
>
>After about a week of diddling, I went and got an RRD40. Slower than
>molassis in January, but it works and the others didn't.
>
>Regards,
>
>Jeff
>
>P.S. From experience, you don't NEED a caddy for an RRD40. I don't
have
>one either. I just opened the drive and replaced the disk already
inside
>it with my VMS install cd. You need at least the horseshoe part of the
>caddy, but not the whole thing.
>
>
>Regards,
>
>Jeff
>
>In <20010119.235201.307.0.william.webb(a)juno.com>, on 01/21/01
> at 11:01 AM, William W Webb <william.webb(a)juno.com> said:
>
>>Fred, do a search for RRD40/42/43. These are the original DEC CD-ROM
>>drives that I absolutely positively know will work with these boxes-
they
>>are jumperable to do 512 or 2048 byte sectors. (VMS requires drives
that
>>do 512.)
>
>>RRD40s are really old and need a caddy.
>
>>You might be interested to know that I've got the Owner's Guide for the
>>VAXstation 3100 Model 76 online at:
>
>>http://www.whiteice.com/~williamwebb/intro/DOC-i.html
>
>>I'm considering doing the VAXstation 4000 VLC manual next, but only if
>>there's a demand for it since that much HTML pretty much by hand is a
>>real bitch.
>
>>William W. Webb
>
>>I don't know if it's outside of the scope of this mailing list to talk
>>about things for sale, but I've got hold of some old 64 x 64 bit core
>>frames that would look really nice in a shadowbox or under glass as a
>>desktop doodad.
>>Mfr. Lockheed Electronics Corp.
>
>>I can also lay my hands on a 4K module (9 frames with diode arrray
>>connector cards)
>
>>If anybody's interested, drop me an email and we'll talk about price.
>
>>Apologies in advance if I've transgressed.
>>________________________________________________________________ GET
>>INTERNET ACCESS FROM JUNO!
>>Juno offers FREE or PREMIUM Internet access for less!
>>Join Juno today! For your FREE software, visit:
>>http://dl.www.juno.com/get/tagj.
>
>--
>-----------------------------------------------------------
>Jeffrey S. Worley
>President
>Complete Computer Services, Inc.
>30 Greenwood Rd.
>Asheville, NC 28803
>828-277-5959
>Visit our website at HTTP://www.Real-Techs.com
>THETechnoid(a)home.com
>-----------------------------------------------------------
>
>
Hi
I dont collect DEC/VAX stuff but I have one of these here.
Cant tell ya if it works. But takes the CD in and ejects, led seems to behave normally.
I dont have the original caddy.
Someone told me to keep it for him but have not heard from him in a very long time...I cant recall who, perhaps he will read this and put his hand up...
I picked it up when I had the opportunity to empty out a VAX8350 of all its 13 boards (free for cost of shipping given away here on mailing list)
Would love to make someone happy. I have no use for this. Most probably will go into garbage soon if no takers...I have idea of its value.
Would accept a trade for anything micro 8-16 bits 197x-198x early 1990s that I could add to my collection.
See my current list at : http://computer_collector.tripod.com
Claude
Canuk Computer Collector
I'm considering doing the VAXstation 4000 VLC manual next
It being the most ubiquitous box and one that takes regular 4mb simms and has a big hdd, and one that is supported on the latest netBSD V 1.5, do that! And link both pages (the 3100/76 and the 4000VLC manual) to the netbsd.org site, please, I would like to encourage yo to do it! Certainly your 3100/76 Manual is excellent work, it was very helpful to me, Jeff, a big THANK YOU.It matches nicely the www.vaxarchive.org/hw/vs3100/index.html
Do you have also the VT 1300 Manual?
Or even better: The VRE01 Manual? VRE01 being that flatpanel display (see attached!) that works on the b/w mono card in 1-bit mode I guess, not 8-bit (GPX vs SPX)
My 4000VLC's have all the fancy 256 colour framebuffer (?) and no b/w only provision, so I guess I cannot use them for that monitor unfortunaley.A good set of pix can be found on www.terrigal.net.au/~acms/album/h10002.jpg
Again: Thanks.
As to the CD I found a cr 503b = compaq 142223-201 that is listed as compatible.....lets hope it does the trick.
Fred
Fred, do a search for RRD40/42/43. These are the original DEC CD-ROM
drives that I absolutely positively know will work with these boxes- they
are jumperable to do 512 or 2048 byte sectors. (VMS requires drives that
do 512.)
RRD40s are really old and need a caddy.
You might be interested to know that I've got the Owner's Guide for the
VAXstation 3100 Model 76 online at:
http://www.whiteice.com/~williamwebb/intro/DOC-i.html
I'm considering doing the VAXstation 4000 VLC manual next, but only if
there's a demand for it since that much HTML pretty much by hand is a
real bitch.
William W. Webb
I don't know if it's outside of the scope of this mailing list to talk
about things for sale, but I've got hold of some old 64 x 64 bit core
frames that would look really nice in a shadowbox or under glass as a
desktop doodad.
Mfr. Lockheed Electronics Corp.
I can also lay my hands on a 4K module (9 frames with diode arrray
connector cards)
If anybody's interested, drop me an email and we'll talk about price.
Apologies in advance if I've transgressed.
________________________________________________________________
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Join Juno today! For your FREE software, visit:
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Goldarg <goldarg(a)dub.net> wrote:
> I recently got a AT&T SCSI drive from a friend and wanted to see if I could
> Model: 97536DA
> Option: STD
> Ser No: 3001a97212
> Handle With Care
>From the model and serial number, I'd guess that this drive was
made by Hewlett-Packard in the first week of 1990. Those look
like HP model and serial numbers.
http://www.tame.com/hp/hpinfo.htm suggests that a 97536DA is a
330MB ESDI disk drive, OEM version.
If you think it's SCSI, I wouldn't be surprised that it is
high-voltage differential SCSI; HP did that sort of thing.
-Frank McConnell
I took at bunch of pictures of the inside and outside of the 4170 today.
I'm posting them to "http://www.intellistar.net/~rigdonj/tek-4170/".
There's no text there, only pictures at the moment, so you'll have to be
satisfied with looking at the pictures for the time being. I hope to put up
a page tomorrow with links and some descriptions.
I also scanned the page that describes the 4170 in the 1985 Tektronix
catalog and posted it there as well.
I *think* I may have found the right serial cable to connect it to the
terminal today but I also found that my only Tektronix terminal is acting
peculiar (it won't let me into the set up mode!) I'll try hooking up the
terminal tomorrow and if it doesn't work then I'll have to go look for
another terminal.
Keeping my fingers crossed!
Joe
At 05:53 PM 1/19/01 +0000, jpero wrote:
>Be specific. There are many Solo models based on numbers by gateway
>and bad news, gateway owns only this design, and there are no
>other notebooks that has this design.
>
>But, what that P3C? That's not solo.
One is a P-75, it doesn't say "Solo" it says "P3C" on
the bottom label. Judging by eBay items, this is the
laptop's designation. Search eBay for P3C and there
are plenty of hits.
The other is a P-90 and it *does* say just "Solo" so
I think that makes it a 2000 in terms of the model
numbers that followed in that line. The case is quite
identical to the other.
Any help would be appreciated! They're circa 1994-5,
so they're only half on topic... as opposed to Bill Gate's
personality traits, which are older than 10 years and
therefore on topic.
- John
Hello everyone,
Anyone know where I would find the DEC part number for a VS3100/M76 color
option board? I've got a board labeled "VS40X 8 Plane COlor Option" but I
don't know if it would work in a M76 or not.
--Chuck
Picked up several items for 50 cents each! I got:
mac IIci and a colour display for it.
PS/2 model 70 with NIC and...
a TRS80 data terminal DT-1. Looks just like a model 2/3 except its very light
and has no floppy drives. had two cables coming out of it, presumably for a
printer and modem of some sort. while i was bringing all this stuff up to pay
for it, a guy had mentioned to me that if i had been in an adjacent county a
few days ago, i could have gotten a lot of other computers. He said many
apples (dont know what models) where simply thrown in the dumpster because
they didnt know what to do with them. I guess the hard part is how to let non
computer types know of computer rescuing people ready to avert this kind of
tragedy.
On 2001-01-19 classiccmp(a)classiccmp.org said:
>There are other brands which work for booting as well, such as the
>Toshiba XM-5401B, XM-5701, etc which are probably less expensive
>than the DEC branded ones and work effectively the same.
>Paul
>On Fri, 19 Jan 2001, William W Webb wrote:
>> Fred, do a search for RRD40/42/43. These are the original DEC
>>CD-ROM drives that I absolutely positively know will work with
>>these boxes- they are jumperable to do 512 or 2048 byte sectors.
>>(VMS requires drives that do 512.)
Any CDROM drive that can be switched to 512 byte sectors will work on
the VAXstation. Sun computers also want 512 byte sectors, so a drive
>from a Sun system is usable too. A list of drives that (might) work:
VAX compatible CD drives
Below is a list of SCSI CD drives known or believed to work with VAX
systems. The basic requirement is support for 512-byte block size.
Some information (entries marked with a "*") was extracted from the
<A HREF="http://saturn.tlug.org/suncdfaq/">Sun CD-ROM FAQ</A> - most older
Sun workstations share the 512 byte block size requirement. The FAQ
also has additional details about some of the drives listed below,
as well as instructions on how to modify certain models of Toshiba CD-ROM
drives to change their block size.
DEC RRD40, slow, first generation CD-ROM
DEC RRD42, 1X
DEC RRD43
DEC RRD45
DEC RRD46
(*) Plextor 4x/6x/8x/10x/12x
(*) Plextor 12x/20x
PlexWriter RW 4/2/20
Most, if not all Plextor drives. See http://www.plextor.com and
check if the drive has a jumper of DIP-switch for block size.
(*) Hitachi CDR-1750S
(*) Laser Magnetic Storage International Company (LMSI) CM234, 1X
(*) Panasonic CR-503B, 2X
(*) Panasonic CD-506B, 8X
(*) Pioneer 4.4x SCSI-2
(*) Pioneer DRM600/DRM604X
(*) Sony CDU-541/561/8012
Sony CDU55
--
Kees Stravers - Geldrop, The Netherlands - kees.stravers(a)iae.nl
http://www.iae.nl/users/pb0aia/ My home page (old computers,music,photography)
http://www.vaxarchive.org/ Info on old DEC VAX computers
Net-Tamer V 1.08.1 - Registered
Hmmm, I tried to send the real Part 1 twice and it didn't come through;
maybe too
much outdated information. Anyway, it didn't have much that was useful at
this point. Maybe at least the table of contents will make it through this
time.
=============================================================================
DO NOT DISPOSE OF THIS PART OF THE FAQ. THIS IS THE PART THAT EXPLAINS HOW
YOU CAN SUBSCRIBE AND UNSUBSCRIBE. IT WILL TAKE ME MORE TIME TO DO THESE
THINGS FOR YOU THAN IT WILL TAKE FOR YOU TO DO THEM YOURSELF
=============================================================================
ClassicCmp - The Classic Computers Discussion List
Part 1 in the ClassicCmp FAQ Trilogy
Mail/Internet Basics FAQ (Frequently Asked Questions) v1.3
Last Update: 12/10/97
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
Updates: Nothing new, cosmetic changes.
-----------------------------------------------------------------------------
1. Mailing Lists
----------------
1.1 Mailing List Basics
1.2 How to Talk to the Robot
How to set to Digest
How to Subscribe
How to Unsubscribe
2. FTP
------
2.1 FTP Basics
3. World Wide Web
-----------------
3.1 WWW Basics
=============================================================================
Is anyone familiar with the Victor V386MX? It's a miniscule 386 tower, only as
wide as a 3,5" drive, and seems rather common around here.
What's interesting about its architecture is that the CPU and graphics are
placed on one sandwiched ISA board, which plugs into an ISA backplane carrying
some extra electronics such as FDC.
This week, though, I found another Victor CPU board, but carrying a 486SX
instead, and with an additional PS/2 mouse port. It doesn't seem to have the
IDE header, though.
What kind of computer could this have been used in?
--
En ligne avec Thor 2.6.
Iggy tipsar: Koppla aldrig en C128-transformator till en A500. ?ven om
kontakterna ser likadana ut, ligger sp?nningarna fel.
DNS problems that were, for the past two days, interfering with normal
mail flow in and out of bluefeathertech.com have been corrected. A great
big CLASSICCMP "Thank you!" goes to Jay West, our list maintainer, for
helping me to troubleshoot the problem. ;-)
Although she's not a listmember, Juli Kislenger at Qwest Internet also
deserves a big batch of kudos. I consider it a miracle that I got her
instead of some newbie handling my case.
The end result: Blue Feather is now entirely self-hosted, including local
DNS boxes. The only things I'm dependent on USQwest for now are my actual
connectivity and my Usenet feed. Everything else is most definitely local
(about 30 feet away in my garage, to be exact).
Lots of stress, lots of work, but well worth it in the end knowing that I
can now configure the domain -exactly- the way I want it to be configured.
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Bruce Lane, Owner and head honcho, Blue Feather Technologies
http://www.bluefeathertech.com // E-mail: kyrrin(a)bluefeathertech.com
Amateur Radio: WD6EOS since Dec. '77 (Extra class as of June-2K)
"I'll get a life when someone demonstrates to me that it would be
superior to what I have now..." (Gym Z. Quirk, aka Taki Kogoma).
I'm not sure this is 10 years old yet, but anyway... the info is so
scarce you'd think it was. :-) Anybody have the pinout of this DB-15
serial port?
--
_______ Shawn T. Rutledge / KB7PWD ecloud(a)bigfoot.com
(_ | |_) http://www.bigfoot.com/~ecloud kb7pwd(a)kb7pwd.ampr.org
__) | | \________________________________________________________________
On Fri, 19 Jan 2001 16:28:54 -0800 (PST) Don Maslin <donm(a)cts.com>
writes:
> > Wait a minute, guys. Did this drive come with a bridge board?
> > I've seen a couple of AT&T units with ESDI drives, with fancy
> > EMULEX bridges attached thereto. Of course, if yours is an
> > expansion box, then there would be no controller-- the
> > emulex bridges could handle two or four drives, depending
> > on the model.
>
> The Pocket PCRef lists the 'D'suffix as SCSI, Jeff. The ESDI
> version
> has an 'E' suffix. Does not lis the 'DA' suffix, though.
>
> - don
D'oh! (Slaps forehead).
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Well, there is no RS-232C port with the basic interface. This requires
a card to be installed in the bay on top of the interface. If you have
this card installed, the signals appear at the "Expansion Board Card
Edge" which is in the middle of the front of the interface.
The card edge is 40 pin. The following are the main signals an pins:
18-TD; 20-SGND; 22-RD; 30-CD; 32-CTS; 34-DTR; 36-RTS; 38-RI; 40-DSR.
Louis
On Thu, 18 Jan 2001 10:21:23 -0800 (PST), Vintage Computer Festival
wrote:
*
*I need to know where the serial port connector is on a TRS-80
Expansion
*Interface. I have two of them. One has its ports labeled, and one of
the
*ports is labeled "MODEM" but it is simply an edge connector. Is this
the
*serial port? If so, what's the pinout?
*
*Any help would be greatly appreciated. Thanks!
*
*Sellam Ismail Vintage
Computer
Festival
*-----------------------------------------------------------------------
-------
*International Man of Intrigue and Danger
http://www.vintage.org
*
*
On Fri, 19 Jan 2001 15:19:29 -0500 (EST) Bill Pechter
<pechter(a)pechter.dyndns.org> writes:
> > Goldarg <goldarg(a)dub.net> wrote:
> > > I recently got a AT&T SCSI drive from a friend and wanted to see
> if I could
> >
> > > Model: 97536DA
> > > Option: STD
> > > Ser No: 3001a97212
> > > Handle With Care
> >
> > >From the model and serial number, I'd guess that this drive was
> > made by Hewlett-Packard in the first week of 1990. Those look
> > like HP model and serial numbers.
> >
> > http://www.tame.com/hp/hpinfo.htm suggests that a 97536DA is a
> > 330MB ESDI disk drive, OEM version.
> >
> > If you think it's SCSI, I wouldn't be surprised that it is
> > high-voltage differential SCSI; HP did that sort of thing.
> >
> > -Frank McConnell
>
> They were pretty common in both single ended and differential.
>
> I'll bet it's differential SCSI.
Wait a minute, guys. Did this drive come with a bridge board?
I've seen a couple of AT&T units with ESDI drives, with fancy
EMULEX bridges attached thereto. Of course, if yours is an
expansion box, then there would be no controller-- the
emulex bridges could handle two or four drives, depending
on the model.
Jeff
________________________________________________________________
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I picked up a laptop with a broken screen because it had
more memory and a larger HD and a faster processor than
a similar model I already owned. I'd like to swap the
displays.
Any tips on disassembling laptops? I have removed the bezel
around the screen - two screws and pop the tension clips
around the edge.
I found four screws along the back, but they didn't seem
to loosen anything. The keyboard may pop out, but I don't
know how to disengage it.
- John
>>My friend has a Mattel Aquarius computer on eBay - thought I'd mention it
since it's still cheap and may be of interest to someone that collects older
machines. It's item 1208196262 if you're inclined to check it out. I believe
it's a fairly complete setup and in good condition. I can however attest to
the fact that the seller is very repautable and very good to work with.
Hehe - I found one yesterday in a thrift store along with another ebay
perennial, the Binatone TV Master MK10 pong, boxed :)
The same shop also has the following, all for (I guess) between ukp10 and
ukp30:
Acorn Archimedes 3000 with monitor
Amstrad PCW9512
Amstrad PCW9512+
Amstrad PCW8256 (single drive)
Amstrad PCW8256 (twin drive)
Amstrad PCW8xxx (it's in a box so I can't see it too well)
Atari 520STe
Atari 2600 (PacMan edition, boxed)
Atari 7800 with PSU and both controllers *with* thumbpads still intact
Amiga 500+
Victor 286PC
Amstrad 386 PC (Can't remember the designation)
Apple keyboard for a compact Mac
If anyone's interested please contact me off list - the place is only 5
minutes from here.
As an aside, I picked up a Memotech MTX512 on monday (along with a boxed
Color Genie (<bounce>), boxed JVC HV-7GB MSX and Toshiba HX10) and it's a
really odd machine. For a start its 3 1/2 inches longer than my other MTX512
and has no stickers on it whatsoever apart from the name label, not even
port designations on the back. Inside looks pretty normal, except the board
is right on the left to allow access for the expansion slot but they've left
the keyboard on the right, and its an MTX500 keyboard. Haven't tested it yet
but I was told it worked.
As luck would have it I found Mr. Memotech himself down in London but he
hasn't got back to me yet!
Oh, anyone got a spare manual for a Color Genie? :)
cheers
--
Adrian Graham MCSE/ASE/MCP
C CAT Limited
Gubbins: http://www.ccat.co.uk (work)
<http://www.snakebiteandblack.co.uk> (home)
<http://www.binarydinosaurs.co.uk> (The Online Computer Museum)
0:OK, 0:1
Errrm, I have 8" hard-sector disks.. they are used by my Wang 2200MVP..
which would mean the Nicolet 1080 possibly also uses hard-sector floppies,
since they share the same floppy disk drives, Shugart 9xx, can't remember
the number offhand. The DisplayWriter uses the 31SD.
Will J
_________________________________________________________________
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From: Clint Wolff (VAX collector) <vaxman(a)qwest.net>
>There is a small copper (berylium?) bracket on the bottom of the RD53
>which connects the spindle to ground. Removing said bracket reduces
Only if its a RD53, a Micropolus 1325, yes removing the static drain
does invite a minor headto media snap. Better to move or lube with
a tiny bit of graphite.
>will considerably shorten the life of the drive... My personal belief
>is the drive is near the end of its life anyway when it starts to whine,
>so removing the bracket doesn't do much of anything to it...
RD53s generally suffer from heat, keep em cool and they do better.
Same for RD54s. I have a RD54 that screams, I've been waiting for
it to fail for the last 5 years...it hasn't.
Allison
Hi;
Looking for info on NeXt 1100 Pizza Boxes. What is the processor? Memory?
Color/Mono? HD? CD? Collectability? Things to look out for? Accessories
needed?
Paxton
On January 18, Jeff Hellige wrote:
> Wow...there's actually a dutch auction for 4 TRS-80 Model
> II's on eBay at the moment....no reserve at that. I've no connection
> to the seller but found it interesting since auctions for multiples
> of that type of hardware is fairly uncommon. The URL is:
>
> http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1208570093
This is cool; I've always wanted a Model II. I'm gonna go for one.
-Dave McGuire
Howdy!
I recently got a AT&T SCSI drive from a friend and wanted to see if I could
get it working in my Sparc SLC but I don't have specs and cant find any online,
The drive has a number of labels on it
KS-23494 L11 B
5.25 Inch SCSI
Winchester Disk Drive
Model: 97536DA
Option: STD
Ser No: 3001a97212
Handle With Care
AT&T-CC 405 723 057 is below one bar code
AT*T-SN 9075361972212 is below a 2nd bar code
Its a big drive and spins up but probe-SCSI does not find it.
The last Label on the drive is
97536DA 6 8942 003 c3 b 2920
a9 6394 DIFF8840
Primary Rev Code: 3001
I'm wondering if the 'DIFF8840" part means its not normal SCSI and wont
work with my SLC
Any pointers to info or suggestions?
>A friend of mine just picked up a VAX 4000/VLC (on my
recommendation as a
>nice small VAX) and I thought it was broken, because the 'sho dev'
produced
>"illegal command." Turns out it has had a password set, but of
course the
>seller didn't know that. Anyway, how does one tell the VAX to
"forget" that
>it has a password set? Is there a jumper or something somewhere?
Turn off the power.
Find the two triangular solder pads near
the TOY (it has a clock face printed
on it) and short these together with
a screwdriver.
This is from the VLC/4k60 Condensed Service Information so
I assume it applies to both.
Antonio
arcarlini(a)iee.org
From: Jim Strickland <jim(a)calico.litterbox.com>
>Could you set it up to netboot and copy the disk over before it croaks?
>If it was running VMS I'd suggest clustering it. I'm thinking the
difference
>in performance between having it netboot and run against an NFS disk vs
>running against the mfm drive isn't going to be all that big.
Check and see if it has DECNET on it and copy the disk via that to
another VMS machine. IF not then use TCP/ip to copy the disk.
As a machine you can put a lot of different disks into it and if you
netboot/mop
load it put a small disk in it as SWAP, as swapping over eithernet is
SLOW.
Also the power supply want that 30W load so you have to have a drive.
Possible drives ST225(20mb), Quatum D540(30mb), ST251(40mb),
XT21290(160mb) to name a few. that machine can format drives!
>> versions as well (KA41 - KA49). Fortunately for me the desktop VAXes
take
>> up _much_ less room than the deskside variety, also the drive has
Ultrix32
>> on it and its my only Ultrix based VAX (I've got Ultrix media for MIPS
but
>> not for VAX). I'm guessing that if I moved the jumper back I'd see it
has
>> some sort of frame buffer as well, perhaps it would bring up X even.
It just might!
Allison
From: William Fulmor <wpfulmor(a)dimensional.com>
>I've had very good luck shutting up XT2190's and RD54's simply by
turning
>them upside-down. In my particular set up (old pee cee cases) they also
>run _much_ cooler. That might present mounting and cabling
>complications in your situation. YMMV.
If turning it is a fix then flip the MV2000, they are rather small
anyway.
Allison
From: Don Maslin <donm(a)cts.com>
>Chuck, if it really is an RD54 - aka Maxtor XT2190 - the motor is
>internal and inaccessible. There is, however, a Priam 519 that has the
>same parameters as the Maxtor, and it has rotating parts external to the
>disk housing. I do not know whether DEC used Priam or not, though.
the likely hood is its a Maxtor XT2190, and yes some are very LOUD.
They do seem to keep working even then. the usual source of the noise
is internal bearing being flatspotted due to shock or the motor really
working hard to spin the platter. Make sure the 12V is!
Allison
I need to know where the serial port connector is on a TRS-80 Expansion
Interface. I have two of them. One has its ports labeled, and one of the
ports is labeled "MODEM" but it is simply an edge connector. Is this the
serial port? If so, what's the pinout?
Any help would be greatly appreciated. Thanks!
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
Does anyone know where a TRS-80 Expansion Interface manual might reside
online?
Thanks!
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
I knew about computers for a long time before I actually bought one for
myself, and from articles and books knew a bit of basic. One of my first
programs was a couple lines of basic I could quickly type in on the demo
computers at Radio Shack. It endlessly printed to the screen a string one
character at a time with about a 3 second delay between characters, "I am a
slow and stupid computer. ". Made a nice pattern on the screen.
Hello ClassicCmp and Port-vax,
A friend of mine just picked up a VAX 4000/VLC (on my recommendation as a
nice small VAX) and I thought it was broken, because the 'sho dev' produced
"illegal command." Turns out it has had a password set, but of course the
seller didn't know that. Anyway, how does one tell the VAX to "forget" that
it has a password set? Is there a jumper or something somewhere?
--Chuck
I've got a newly re-functioning VAXStation 2000 which is equipped with an
RD54 hard drive. The system boots into Ultrix 3.1 however it is _very_
loud. The drive has got a serious whine to it. I'm wondering if there is a
bering or a brush somewhere that I can lubricate to cut down on the noise!
--Chuck
On the subject of early 'fragile' monitors, kill-able by the wrong
refresh rate: I was always under the impression that, being by neccessity
rather cheaply engineered and produced devices... the designers used many
of the long-standing "tricks" from decades of consumer TV practice to "get
by with less". Anyone who has worked at all with (especially 60s-era) TV
sets will know what this means.
The beam deflection circuits in most monitors have magnetic deflection
coils around the neck of the CRT (called the deflection 'yoke) which carry
the vertical and horizontal sweep frequencies and thereby move the
internal electron beam around on the face of the CRT screen. Since the
early monitors were designed to run at very limited sweep rates (or even
at one single sweep or refresh rate) the engineers could use a factor
called "resonance" to get by with less wire in the coils and simpler
electronics to drive them
Basically, the yoke coil is calculated to 'ring' at a certain frequency,
and of course this is the horizontal refresh rate. The circuit is designed
so that at that freq, the yoke is in resonance, and therefore uses less
current to get the job done; hence less wire and lighter, cheaper parts.
The circuit is made to be resonant over just a narrow range of frequencies
(called the 'Q' of the circuit) and if the driving signal strays very far
>from this range either way, the circuit is no longer in a condition of
resonance, it begins to draw large amounts of power trying to do the same
work, and, in a lot of the 'cheap' monitors, the whole thing actually
overheats and burns up while you are looking at the jagged lines and
trying to figure out what to do next.
Any kind of setting (hardware or software) which could alter the
horizontal rate without reagrd to the type of CRT device it's driving is
liable to this kind of smoke-producing behavior. Newer multi-sync CRTS
have spoiled us...
ALSO: Long ago in the Big Iron days... the were some machines in the
Philco line whose power supplies in some configs were marginally
inadequate. It was possible to load the machine (with programs and data)
and trip (or burn) the power units... but this was an isolated case.
Program damage to most older computer systems was mostly caused by making
peripherals do things they shouldn't... usually in cases of the device
handler software being abused or tweaked by The Unwary and causing
resultant mechanical damage.
Cheerz
John
>> On the other hand, who knowsif history had been different, perhaps
>> Apple and Microsoft would have gone away, Linux and other free UNICEs
>> would never have come into existence, and most of us would now be
>> using MP/M-IX with a GUI, many security features and long upper-case
>> filenames, using 64-bit 300MHz CPUs descended from the Z80.
I. The Pentium is related to the z80 by way of the 8088 based on the
8080!
II. Before DOS there were people developing OSs, Flex, Unix, OS/9,
NS*dos,
And an assortment of CP/M clones.
III. There were 16 bit decendants of 6502, they had potential.
Allison
FWIW:
Last weekend, Staples had an ad in the local paper for a 20Gb drive for
$99 and they'd give you a free 32 Mb SIMM with it. I bought one of the
drives (a Maxtor 32047) and just finished installing it in my daughter's
Pentium II box that's running WinBlows 98. The software that came with the
drive copied everything (about 17 Gb of files) from the old drive to the
new one with no difficulties in about an hour. The only problem that I had
was that the copy program wouldn't work with both drives on the primary
disk controller channel. I had to put one on the secondary channel and one
of the primary. After it finished copying, I removed the old drive and
installed the new one in it's place, reconnected the two CD drives to the
secondary channel and rebooted the machine with NO changes or problems.
Joe
>It uses the serial port. I seem to remember utilities for
>the PC that pretend to be a disk drive for an M100 in this
>fashion, as well as tools that would let the drive connect
>to the PC. I think the drive came with a disk containing
>a utility or two.
TS-DOS, available from Club 100, can be either disk or ROM based.
Desklink, available on the Club 100 web site as 'DL-ARC.EXE', also includes
limited RAM based versions that can be transferred to the 100/102 using a
null modem cable. The Desklink archive is what I use to turn my 486 laptop
or Mac clone into a fileserver for my Model 102. Once you use Desklink to
transfer the RAM-based TS-DOS loader into the 100/102, you should then be
able to access the portable disk drive.
Jeff
--- Jeff Hellige <jhellige(a)earthlink.net> wrote:
> >I've got an Amiga external SCSI drive made by Tecmar that has a 37-pin
> >connector...
> Is this the Tecmar T-disk? I've got a 20meg version and it
> requires a sidecar for the A1000, which also provides a 1meg memory
> expansion.
That's the one.
> It has it's own CPU that branches off to both the sidecar
> and the disk drive and there are a number of files that have to be
> added to the A1000's Workbench disk in order to access it. It won't
> boot from the Tecmar.
That was absolutely typical of Amiga 1000 disk interfaces. I had a "WEDGE"
for a long time - an 8-bit ISA adapter that came with drivers for the Western
Digital WX-1 interface. It was replaced with a Microbotics StarBoard - mine
was fully loaded - clock, 2Mb RAM and SCSI (the "StarDrive"). I was able
to go from two ST225 drives (40Mb) to one Maxtor LXT213S (200Mb drive from a
SPARCstation) with that upgrade. Between the two interfaces, I was set from
about 1987 until I replaced the A1000 with an A3000 in 1993 (it lasted until
I brought an A4000 home with me from N.Z. after replacing the 220/50Hz PSU
with the guts from a PC PSU, around 1996)
I still have my premiere copy of _Amiga World_ that has the T-Drive and the
rest of the peripherals advertised *months* before they were ready to ship.
They were billed as the first Amiga hard disks, but ISTR they took so long
to finalize their product that there were several offerings out there when
you could _finally_ buy one. Infamous vaporware in the early Amiga days.
-ethan
=====
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The original webpage address is still going away. The
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See http://ohio.voyager.net/ for details.
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In a message dated Thu, 18 Jan 2001 11:19:14 AM Eastern Standard Time, John Foust <jfoust(a)threedee.com> writes:
<<
I've got one. I was so cool in 1987 or so, carrying the
M100 and a disk drive, writing articles on airplanes.
I even remember using CompuServe via the M100.
It uses the serial port. I seem to remember utilities for
the PC that pretend to be a disk drive for an M100 in this
fashion, as well as tools that would let the drive connect
to the PC. I think the drive came with a disk containing
a utility or two.
- John
>>
Wish I did! I just got my first M100 this week! Picked up a 32k m100 in pristine condition with the manual (no case or drives though) for $10. 4 AA bateries later and it was running great. Have to say these are really cool little computers!
-Linc Fessenden.
I remember reading somewhere that Gates' last real project was the BASIC in
the Radio Shack Model 100 (1983??)
==========================
Richard A. Cini, Jr.
Congress Financial Corporation
1133 Avenue of the Americas
30th Floor
New York, NY 10036
(212) 545-4402
(212) 840-6259 (facsimile)
-----Original Message-----
From: THETechnoid(a)home.com [mailto:THETechnoid@home.com]
Sent: Thursday, January 18, 2001 10:41 AM
To: classiccmp(a)classiccmp.org
Subject: Re: Interact (was Death by Poking)
Thanks! Bill talks kind of like Tonto.
I've never really known what Gate's personal contribution to coding has
been. Did he write on Mbasic, Msdos, or any of the Windos's?
When did he quit coding?
Regards,
Jeff
In <200101181442.GAA10586(a)stockholm.ptloma.edu>, on 01/18/01
at 10:40 AM, Cameron Kaiser <spectre(a)stockholm.ptloma.edu> said:
>http://www.tcp.com/%7elgreenf/bill.htm
--
-----------------------------------------------------------
Jeffrey S. Worley
President
Complete Computer Services, Inc.
30 Greenwood Rd.
Asheville, NC 28803
828-277-5959
Visit our website at HTTP://www.Real-Techs.com
THETechnoid(a)home.com
-----------------------------------------------------------
> In <8763AE987517D2118C0500A0C9AB234C509D72@TEGNTSERVER>, on 01/17/01
> at 04:54 PM, Douglas Quebbeman <dhquebbeman(a)theestopinalgroup.com>
> said:
>
> Yea! Object Desktop is GOD'S OWN TOY. I love it! They ported it to
> Windos, but it caused lots of stability problems. The OS/2 version runs
> beautifully and I've been addicted to it for years.
I have to agree with the others in this thread... Windows is inherently
not stable, while OS/2 is.... thus Object Desktop on Windows doesn't
CAUSE instability, it merely illuminates it. I am biased, however, as
I'm a Stardock Avatar.
> My favorite component is the virtual desktop feature. I couldn't live
> without it.
>
> The Windows version is a program. The OS/2 version is not. It is a
> collection of Workplace Shell objects simply taking advantage of the OS/2
> Gui's object inheritance and polymorphism. Pretty darn impressive.
True, Windows doesn't provide the underpinnings to do what was possible
under OS/2.
My two most-used features are ObjectDrivescan and ObjectEdit; however,
I really do love the eye candy (Windowblinds, WindowFX, DesktopX, and
ObjectBar).
Regards,
-dq
--- THETechnoid(a)home.com wrote:
> In <3.0.5.32.20010117183929.007bf6f0(a)yellow.ucdavis.edu>, on 01/17/01
> at 10:18 PM, "Edwin P. Groot" <epgroot(a)ucdavis.edu> said:
>
> > 37 pins? What an oddball number. I have seen floppy cables with 50,
> >34 or 20 pins. 5-1/4" MFM hard drives have 34 pin plus 20 pin. SCSI hard
> >drives have 50 pins.
I've got an Amiga external SCSI drive made by Tecmar that has a 37-pin
connector. Don't have the interface to go with it, though. It's a
modular extruded aluminum case (like some modems) with a 3.5" MFM drive
inside and some flavor of SCSI<->MFM bridge card to do the dirty work.
Mine came from university surplus, so I have never seen it operate, FWIW.
-ethan
=====
Even though my old e-mail address is no longer going to
vanish, please note my new public address: erd(a)iname.com
The original webpage address is still going away. The
permanent home is: http://penguincentral.com/
See http://ohio.voyager.net/ for details.
__________________________________________________
Do You Yahoo!?
Get email at your own domain with Yahoo! Mail.
http://personal.mail.yahoo.com/
At 11:09 PM 1/17/01 -0700, Bill wrote:
>Sounds about like a first generation DC-9 revving up for roll out?
Yup.
>I've had very good luck shutting up XT2190's and RD54's simply by turning
>them upside-down. In my particular set up (old pee cee cases) they also
>run _much_ cooler. That might present mounting and cabling
>complications in your situation. YMMV.
Actually this is a VAXStation 2000 so turning it upside isn't a problem
(nothing else cares about orientation) but alas it did not noticeably
change the whine.
I'm really torn by this little machine. On the one hand I sort of swore off
MFM drive based systems and was sticking to Q-bus based VAXen in the
collection, but now with the VS2000 I've got a bunch of the workstation
versions as well (KA41 - KA49). Fortunately for me the desktop VAXes take
up _much_ less room than the deskside variety, also the drive has Ultrix32
on it and its my only Ultrix based VAX (I've got Ultrix media for MIPS but
not for VAX). I'm guessing that if I moved the jumper back I'd see it has
some sort of frame buffer as well, perhaps it would bring up X even.
--Chuck
From: Doug Stalker (doug(a)notme.com)
Date: 07/21/99-11:37:42 PM Z
Reply:
Maybe This Applies...............
HDS 7 setup access is bottom row of num. pad.
- CTRL-, (comma) Setup
left hand corner (gray key)
- CTRL-. (period)Test Loop
bottom row
- CTRL- - (minus) Screen Test
right hand corner
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Richard,
>Date: Thu, 11 Jan 2001 18:30:01 -0700
>From: "Richard Erlacher" <edick(a)idcomm.com>
>
>Sir, you damage your credibility with statements like some you've made here.
>While it's true that the Microsoft products may not be the "best" thing for
>thos of us who are inclined to fuss and fiddle with our computers, they're
>WAY better for those who can't, won't, or shouldn't.
There are errors of commission and errors of omission. You make one
of the latter here. While it is true that Microsoft packages its OS's and
Applications in such a way that they are easier to install, configure, and
use than most similar unix software, it is also true that Apple packages
its OS's and Applications so that they are *much* easier to install,
configure, and use than Microsoft software.
Mac OS software is far superior to equivalent Windows anything (as
well as to Unix anything in my experience) for those of us not inclined to
fuss or fiddle with our computers. This I know from personal experience
with MacOS, Windows 95/98, NeXTStep (a variant of unix), Solaris, and AIX.
I cannot speak for Linux, and there may be other OS/Application sets
(Amiga?) on either end of the spectrum that are pertinent here but not
familiar to me.
>They enable a whole range of people who, 15 years ago, wouldn't have been
>allowed in the same room with a computer to accomplish useful work,
>something which FEW of us do, computer design, programming, and maintenance
>all being overhead rather than useful work in most environments. They also
>enable people to use resources such as the internet, who otherwise might
>never have that experience, never mind that they use it primarily to save a
>trip to the convenience store to buy a magazine in a brown wrapper.
Although the market has disagreed horribly with me for many years,
I can see no valid argument for choosing the Microsoft middle ground
between Macintosh ease of use and unix power, security, and flexibility.
(The most-cited argument, lower cost of underlying hardware, has been shown
repeatedly to be invalid in most cases because of the time typically
spent/lost trying to get Windows and its applications to play nice
together, fighting viruses, configuring networks, etc.; I'll admit that
competent power users like you and Allison can probably circumvent that and
make Windows systems essentially as cost-effective as MacOS or linux
systems.)
As always, if the application you need is available on only one OS,
that OS is the best for you and there's no valid argument against that,
whatever the other characteristics of the OS. But for people who wouldn't
have been allowed in the same room with a computer, or who just want to
access the internet, Microsoft is a *long, long* way behind Apple and its
third parties for ease-of-use.
>I would exhort you to eschew reiteration of other people's falsehoods and,
>instead, search for a solution to the problems you so clearly perceive.
>Squandering bandwidth on matters that most of the computer world doesn't
>perceive as a problem will only hasten the day when we have to pay for our
>internet use by the bit.
My solution is maintaining a Microsoft-free zone at home and
minimizing use of Microsoft at work. This is not only because I dislike
their products (excepting Excel, which has merit IMO), but because I really
regret and fear what their illegal business practices have done to the
industry in many areas, including file interchange standards, expected
reliability and pre-release testing of software, customer support, etc. etc.
>Date: Fri, 12 Jan 2001 11:06:10 -0700
>From: "Richard Erlacher" <edick(a)idcomm.com>
>...
>Both Windows and the popular varieties of LINUX are pretty easy to install
>these days. However, Windows suffers greatly from the fact that it has
>tried to maintain the usefulness of those applications that were written for
>and bought concurrently with much earlier versions of the OS.
>...
I must point out that MacOS has the same "burden" - and bears it
*much* better, as "antique" Mac software is far more likely to run on a new
Mac system than same-vintage Win/DOS software on a Windows machine. (I
*hate* to think I may have accidentally brought this back on-topic...)
>Date: Sat, 13 Jan 2001 01:20:43 -0700
>From: "Richard Erlacher" <edick(a)idcomm.com>
>
>It's just the American way of doing business. Detroit's been doing it for
>50 years. Get over it!
By definition, it's not the American way if it violates US
antitrust laws. MS was convicted in court of criminal practices
(anticompetitive actions) essentially victimizing me, the consumer. Am I
going to willingly send them more money? Is this a trick question? Based on
their record, I believe that if they can find a legal or illegal way to
decrease Linux' effectiveness, they will do it immediately.
I'd much rather see Linux reduce MS to a footnote. CorelSuite,
AppleWorks, NetScape, Adobe, Filemaker, and StarOffice would all still be
there, I'd still be able to get my work done - and file standards would
stay a lot more standard.
- Mark
Richard Erlacher wrote:
>
> It's because, not only are other companies as devious, in fact ALL
other
> surviving companies are, in their way, as devious, but that's what
they're
> SUPPOSED to be.
No, companies are limited liability constructs of the state. They fall
under the same social contract that the state does, even more so. Yes,
we can, and should, insist that corporations be ethical. The nature of
a corporation's "rights" is quite different than the nature of an
individual's rights. The corporation exists at the pleasure of the
state. Corporations are SUPPOSED to be what the state intends them to
be. The same is not true of individuals. The state has the power to
regulate the ethical behavior of corporations, even to the extent of
demanding that the corporation be altruistic. But altruism is not the
issue with Microsoft. Rather the issue is unethical business practice.
Beyond that, you have not answered my question as to why you are
defending unethical behavior. Why not let those who would promote
ethical behavior take the lead, even if you don't think they have much
chance at success? Why try to shoot them down? What is to be gained by
it?
-- John Tinker
From: Iggy Drougge <optimus(a)canit.se>
>
>And Zilog developed a 16 (or 32-bit?) descendant of the Z80 themselves,
too, I
>might add. The Z8000.
Z80 and Z8000 are not even close to each other. The Z80 is superset of
8080
and 8088 is more an offshoot of that. The 16bit Z80 and the later 32bit
are the
Z280 and 380 series and they are z80 code compatable.
>The 65816, right? Used in the Super Nintendo, amongst others.
AppleIIgs as well.
Allison
My friend has a Mattel Aquarius computer on eBay - thought I'd mention it
since it's still cheap and may be of interest to someone that collects older
machines. It's item 1208196262 if you're inclined to check it out. I believe
it's a fairly complete setup and in good condition. I can however attest to
the fact that the seller is very repautable and very good to work with.
> There is the OS/2 operating system, the workplace shell, the MPTS product,
> the TCP/IP product, and the multimedia product to name a few. This
> modular approach is one thing that makes OS/2 so scaleable. Like Linux and
> BSD and unlike any Windos product, you don't NEED the GUI to have a useful
> machine. Without the GUI, a 4mb 386sx with a small hard drive can be made
> to perform useful work with good performance. There are also several
> alternate GUI's provided that are not as processor intensive as the
> Workplace Shell/Presentation Manager product. With OS/2 2.0, 2.1, and
> 2.11, there was even an alternate GUI that gave OS/2 a Windows 3.x look
> and feel. Just like changing the Windows 9x gui to Progman.exe by editing
> System.ini will give 9x a 3.x look and feel. Under 9x, you can also
> "Start, Run, Progman".
That sounds like Stardock's Object Desktop for OS/2... I believe they
brought this product up to version 3/Warp revision level, but just
recently dropped support for the product.
Regards,
-dq
I don't remember the first program that I wrote.
It was probably "print 1+1" on the PDP-8 we had at school.
I do remember the first program that I loaded into my Altair when I got it running.
Remember that Altair came with no I/O other than the switches and LEDs of the front panel.
The program came from the Altair User's Group and was a simple game called "Kill The Bit".
The Altair has 8 "data" LEDs on the front panel.
"Kill The Bit" lit one of the 8, and kept changing it, around and around.
Your job was to toggle one of the front panel switches at just the right time, otherwise you would create more "bits" to kill.
Rob Kapteyn
From: THETechnoid(a)home.com <THETechnoid(a)home.com>
>When you run a win3x application under 9x, the entire multitasking
scheme
>reverts to cooperative which not a nice thing to do even to windos.
Also,
>all win3x apps share the same space, one crashes, all can crash because
of
>it.
Actually I run Paradox/DOSV4.5 under win95 and if you set things up right
it can run protected dos space and the cooperative multitasking is only
within that virtual dos window. It's a bigger probem that it tried to
talk
to the printer directly and Windows blocks on that if the setup is not
exactly right.
>As pertains to running windows programs, OS/2 does 'cooperative
>preemption' in a way. If you want to run a win3x application, you can
>either run it entirely in it's own, protected memory space (seamless),
or
>in a shared, protected space (shared between several win3x apps together
>in the same space). In the first mode, if a seamless 3x app crashes, it
>affects only it's own space. If an app running in shared space crashes,
>it can crash all it's buddies sharing it's memory.
NT4 also has this and it works well. BUT, you have to watch as some dos
programs may try to share a file and you can get file locking problems.
>OS/2 does not run Windows apps, it runs Windows. You can run as many as
>240 copies of Windows 3.11 with as many apps each as each can support.
Keep the education going.
>I don't think there is another operating system out there that is NEARLY
>so flexible in supporting the multitasking of instances of other
operating
>systems. In addition, each individual session can be customized by
>altering any of 75 provided settings for it such as priority, hardware
>access, XMS and EMS and DPMI memory sizes, video refresh, and on and on
>and on. Adjusting a setting in one dosbox affects only that box.
Win9x's
Its clear that NTs dos support is based on OS/2s.
Just for curiousity I've got a OS/2 Warp V3 kit including the bonus pack.
What would it take to get networking going (TCP/IP prefered)?
Also what later versions can be purchased and approximate cost?
Allison
>> Spent the day 'upgrading' to Windows ME I assume...
>
>If you don't agree with Redmont, I suggest you put your money where your
>mouth is. We still have a free choice. Use it as long as you can.
I do... I have Linux on all my PCs...
I read a report earlier today in which teh president and CEO of M$
declared that Linux was the #1 threat to the company as they enter
the new year...
Megan Gentry
Former RT-11 Developer
+--------------------------------+-------------------------------------+
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> I don't know why Intuit has survived, but I am kind of curious given the
> boneheadedness of the product. I mean everybodies first two programs are,
> hello world, then checkbook. Granted they have put more than a little
> polish on Checkbook 1.0, but they have also managed to drag it out over 9
> major releases.
Being a bad seed, my first program printed out random vulgar phrases
instead of "hello world". This was on a CDC-6500 running Dual-MACE at
Purdue University.
My next two programs were a program to compute the dynamic compliance
of a tonearm, and another to compute, based on the native resonant
frequency of a driver (speaker), and the proposed dimensions of a room
to be constructed, the frequencies where the bass would resonate in
the room, and the distribution of the nodes (antinodes?). Over a two-
week period, I coded these programs in CDC-6000 Series BASIC, CDC-6000
Series Fortran, and our local port of Niklaus Wirth's Pascal Compiler.
Eventually, I bought Electric Checkbook for the Macintosh, a great
program I rarely used due to extra work of maintaining my check
register.
The moral of this tale: Beware of Geeks bearing Revisionist History.
;-)
-dq
Hi
I found an old email from you on the web:
http://www.classiccmp.org/mail-archive/classiccmp/1997-04/0324.html
Hi guys, just wanted to say what I got at TCF.
I managed to get there at 3:45 on Sunday (15 minutes before closing on the
last day of the show.) Anyway here's what I got:
2 Seagate MFM Hard Drives *FREE*
1 Sysquest tape(?) drive *FREE*
the tape drive is about the size of a CD-ROM, what is it?
1 Apple IIe Users Guide *FREE*
(why? I dunno, it was in the trash)
1 CBM 8032 $5
(this things got some kind of memory board that plugs into the CPU
socket and a parallel interface)
1 Funky Mouse *FREE*
This last thing I need help with. It looks to be about 20+ years old but
I could be wrong... It is bright red, almost perfectly round, has a steel
ball as the roller, 3 black switches, and says "5271" and then "DEPRAZ -
MOUSE" on the bottom. It has what looks likea standard serial cable. The
guy said it was for a terminal right before he threw it out. Any ideas?
More importantly.... do you think I could use it on my PeeCEE? 8)
Les
PS what'd everyone else get at TCF?
----------------------------------------------------------------
If you are still interested in the origin of the funky looking red
mouse, I can tell you. I got one myself. So before I write down the
whole history, give me an note whether you are still interested in it.
Greetings from Basel, Switzerland,
Beatrice.
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Is there anyone in the Tampa area that's interested in helping out with a
computer rescue?
Please reply privately <sellam(a)vintage.org>.
Thanks!
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
Hello,
I have been looking for a DEC TC11 tape controller to go with my
PDP11/45 and TU56 tape drives for some time now. I just discovered
this mailing list, so now I am trying here.
Is there any chance that anyone has a TC11 for sale or trade?
Also, I am looking for a pair of DEC H960 (72") rack sides, preferably
>from someone in the Chicago area.
Thanks in advance (there is always a hope:-)
--tom
> My first useful program was a graphical alarm clock. I'm a dropout and so
> missed math education beyond arithmetic. This is why I do all my agebraic
> problems linearly as you do in programing. I still don't understand how
> and why algebra is done the way it is in schools. Boolean algebra makes
> so much more sense to me.
Trig smoothly describes the world as it really is-
the approximations you independently discovered describe the
world well enough to fool human perception.
More on this below.
> Anyway, I was trying to plot the face of a circular clock. First I tried
> using PI as the base for the plotting and my clock's face came out wierd
> and incomplete. After messing with the program for some hours I realized
> that OF COURSE a circle derived from pi was going to be incomplete because
> PI is irrational. No matter how many digits after the dicimal you use, you
> will never get a complete circle, just a progressively less incomplete
> one. Duh. Back to the drawing board.
>
> I started hitting the trig functions looking for an answer and hit on
> Sine/cosine as the way to do it. Educating yourself is hard and you often
> have to backtrack like that.
You only have to look at AutoCAD to see how crappy a circle looks when
derived by trigonometric evaluation; it wouldn't be that way if there was
enough precision available, but there never seems to be...
So, a guy named Bresenham came up with a click way to generate a circle,
and it was improved upon by another computer scientist named Michener.
it takes advantage of the 8-way symmetry a circle will have when created
in the approximate fashion that pixels arranged in a Cartesian grid yields.
The algorithm generates the points for a single octant of the circle, then
generates the other seven octants by (essentially) changing the sign of
the values for the first octant. The virual result are perfectly symmetric
approximations of circles.
There's also an algorithm I saw written up in Byte years ago for doing
parabolas; the author referred to it as the Variable Duty-Cycle Algorithm.
For a dummy radar-display I hacked up, to handle the sweep line, I
simply at program start-up pre-computed all the data for the lines
in each position of the sweep; I did it with trigonometric evaluation,
but stored the daata in an array and just puked it out at runtime.
But just like with the calculator, it helps to understand the
fundamentals before trying to implement a solution sans science.
OTOH, not knowing the fundamentals has failed to stop many a man...
...OOPS! And women, too, I guess (apologies to Megan and Allison!).
Regards,
-dq
All,
The e-address for this system, rmays(a)satx.rr.com, sounds a lot like
it's in my home town, San Antonio. If that's true and you need help moving,
shipping (eek), putting in a UHaul and meeting you somewhere in central
Texas, etc., email me and I'll pitch in. I'm not interested in the system
for myself.
- Mark
I have a portable test set by Data Disk Inc. of Sunnyvale CA that is
identified as an "8000 Series Exerciser". It comes in a molded case
with handle and removable lid that is 14"W x 10.5"D, and 7"H. It is
powered from a fixed 3-conductor line cord by 115 +/- 10% VAC at
47-400Hz. The unit dates to late 1974 according to the panel
information drawing taped to the inside of the lid. Also, users are
enjoined to "be kind to this tester its a one & only" according
to a label stuck onto the inside of the lid. It could well be as it is
entirely wire wrapped.
The panel contains several rows of mini-toggle switches to select
tracks from 1-512, a 16-bit data pattern, modes of testing, power, etc.
Also a four wheel indicating rotary switch to set bits/sector.
External connections are a 50-conductor ribbon cable that is terminated
in an edge connector (50-pin), and a row of banana jacks to permit
bringing out 8 functions for scope display.
It is available for the price of shipping to anyone who wants it.
I'm guessing that it weighs about 10 pounds.
- don
As folks who follow this list may recall, I was asking about a month ago if
anyone had any vacuum sensors for a TU10.
Since that time, I have identified a source for purchase of these sensors
(set for 10" H2O pressure). They are suitable for TU10's (where I found
some of the exact part I found in there as replacements) and for the DG
6021. I would guess that they are in other drives of similar vintage. (a
TU10 has 8 of them, a 6021 has 4 of them (plus a separate 20" H20 unit) )
If you have a TU10 or a DG 6021, and expect to keep it running for another
10 years, listen up: these will fail, eventually, depending on what their
condition was when you got the drive, how often you use it, etc. On the
TU10, the ones most likely to fail are at the bottom of each vacuum column,
because they are in a pressure differential state most of the time.
I can get the parts for $14.23 each in unit quantities, but the catch is
that the minimum order is $250. I was thinking that I needed about 10 of
them, for sure, so I'd like to find someone else who could use at least 7
or 8 of them.
I also suspect that the price would come down a little for quantities over
24 -- but I have not yet checked quantity pricing.
SO, what I would like to do is this. Anyone who is SERIOUSLY interested in
purchasing some of these beasties, please reply to me (as well as or
instead of the list), and I'll try to put an order together this
month. Payment will probably be via your choice of personal check or
PayPal (I have not yet set up my PayPal account, though).
Jay Jaeger
---
Jay R. Jaeger The Computer Collection
cube1(a)home.com visit http://members.home.net/thecomputercollection
John Tinker has just claimed this item.
- don
---------- Forwarded message ----------
Date: Mon, 15 Jan 2001 17:09:10 -0800 (PST)
From: Don Maslin <donm(a)cts.com>
Reply-To: classiccmp(a)classiccmp.org
To: classiccmp(a)classiccmp.org
Subject: Garage cleaning
I have a portable test set by Data Disk Inc. of Sunnyvale CA that is
identified as an "8000 Series Exerciser". It comes in a molded case
with handle and removable lid that is 14"W x 10.5"D, and 7"H. It is
powered from a fixed 3-conductor line cord by 115 +/- 10% VAC at
47-400Hz. The unit dates to late 1974 according to the panel
information drawing taped to the inside of the lid. Also, users are
enjoined to "be kind to this tester its a one & only" according
to a label stuck onto the inside of the lid. It could well be as it is
entirely wire wrapped.
The panel contains several rows of mini-toggle switches to select
tracks from 1-512, a 16-bit data pattern, modes of testing, power, etc.
Also a four wheel indicating rotary switch to set bits/sector.
External connections are a 50-conductor ribbon cable that is terminated
in an edge connector (50-pin), and a row of banana jacks to permit
bringing out 8 functions for scope display.
It is available for the price of shipping to anyone who wants it.
I'm guessing that it weighs about 10 pounds.
- don
Since we had some talk about NetBSD, this is totally off-topic, not to
mention totally bizarre. And it really does exist.
http://www.netbsd.org/Ports/dreamcast/
--
----------------------------- personal page: http://www.armory.com/~spectre/ --
Cameron Kaiser, Point Loma Nazarene University * ckaiser(a)stockholm.ptloma.edu
-- I can't complain, but sometimes I still do. -- Joe Walsh -------------------
--- David Gesswein <djg(a)drs-esg.com> wrote:
> Does anybody happen to have a spare one of these? I have a AT&T
> 5620 terminal missing the mouse and I think that is the one that goes with
> it. Terminal has a DB-9 connector.
>
> > It is bright red, almost perfectly round,
I do. Anyone with a naked 5620 terminal, contact me off-list for a mouse. I
have more than one, but I cannot test them. Anyone want to swap a few mice
for a spare terminal? I also have a couple of ROM carts that I think are for
them (the one in my hand has a damaged label that reads, in part "...456
615MT/4425 emulation and has three 27128 unlabelled EPROMs and a few TTL parts;
somewhere, I may still have a couple of carts with some 27C512s, but I've been
recycling the EPROMs from those so I don't know if I have any left)
-ethan
=====
Even though my old e-mail address is no longer going to
vanish, please note my new public address: erd(a)iname.com
The original webpage address is still going away. The
permanent home is: http://penguincentral.com/
See http://ohio.voyager.net/ for details.
__________________________________________________
Do You Yahoo!?
Get email at your own domain with Yahoo! Mail.
http://personal.mail.yahoo.com/
On Sat, Jan 13, 2001 at 07:50:23PM -0500, Dave McGuire wrote:
> Granted there's more plastic in them than there used to be, but HP
> still makes the best test equipment that money can buy, as far as I'm
I can't speak for the HP, er... Agilent scopes, but I've never had any
bother with my secondhand Gould OS1100A. It looks like it's around 15-25
years old, 30MHz, delayed sweep, CRT, IEC-style power connector (same as the
ones used on the IBM PC and many other machines), etc. It takes a while to
warm up and for the damn trace to stop jumping around, but other than that
it's a great scope. Anyone got a manual (service or otherwise) for this
ageing dinosaur? The timebase calibration is a bit out.
Does anybody happen to have a spare one of these? I have a AT&T
5620 terminal missing the mouse and I think that is the one that goes with
it. Terminal has a DB-9 connector.
> It is bright red, almost perfectly round,
Thanks,
David Gesswein
http://www.pdp8.net/ -- Old computers with blinkenlights
I saw an article that says the real reason for all of the "new" names is
that no company wants to be saddled with their old name and the associated
reputation. Each new management wants to "reinvent" the company. The first
step is to get rid of the old name. If you can't pronounce the name and it
has no preexisting connotation then the company can define themselves anyway
they want to.
Another side effect is that you can get rid of all of the old liabilities,
retirement plans, and support costs.
You get a new disposable product from a new disposable company.
Back on track.
Has any body interfaced a web cam to any VMS systems? I'd like to connect
one to my VAX systems.
mmcfadden(a)cmh.edu
It was my neighbors daughter writing a essay for a college application, it
turned out she had actually printed it once and also didn't realize she
saved it on disk. Her word setup now saves every 5 minutes.
I'm thinking of writing a column in the local newspaper, circulation 800,
about computer tidbits. Maybe I'll try and explain what computers can and
can't do. My only worry is that every local Microsoft user will call and
ask questions.
But I am going to put in an advertisement offering computer recycling, I
haul a lot of stuff to the local not-for-profit computer surplus.
Mike
mmcfadden(a)cmh.edu
Thanks Pat for the Help.
I got a cable adapted to the SCSI Stub Cable and the unit found the SCSI
CD-ROM And I was able to load the OS off the CD.
I have loaded the root , its password, and built myself a user account as
well.
The CD load however disagrees with the release notes on finding the Xinit
X-windows AIX application. So it appears I will be looking for a general
guide on navigating AIX,its tools, and applications.
Right now all I can confirm is that the N40 loads in the High Function
Terminal mode. (HFT) The release notes infer that I should be able to load
a windowed menu application from the command line be simply typing "xinit" -
this is not happening.
I will be looking for more web based reference Material. Any pointers are
still greatly appreciated.
Sincerely
Larry Truthan
-----Original Message-----
From: Pat Barron [mailto:pat@transarc.ibm.com]
Sent: Friday, January 12, 2001 11:38 AM
To: Truthan,Larry
Cc: 'classiccmp(a)classiccmp.org'
Subject: RE: RISC6000 7007 POWERportable N40
On Fri, 12 Jan 2001, Truthan,Larry wrote:
> The "66" entry is invalidated in the 10 element diagnostic menu and the
sub
> menues under each element. The initial sevice selection is "language
> select"). I havent tried "66" at the language select. On the first pass,
I
> am not making headway with your suggestion.
Oh, also, just to clarify - the menu I am talking about is the AIX
diagnostic menu, which only has 4 or 5 choices on it as far as I recall.
This is accessed by booting AIX in "Service Mode". This isn't to be
confused with the diagnostics in the firmware (whose menu apparently has
10 entries).
I poked around and found a document that might help you:
-------------------------------------------------------------------------
RS/6000 N40 Laptop
* Setting the System to Service Mode:
1. Press the key sequence [Pause][R] to reset the N40 (or power it off).
2. Then interrupt with [Pause][K] key sequence as soon as the IBM logo
appears.
3. After several seconds, a language selection menu will appear; select
appropriate language.
4. Then press 99 to go to the main menu
5. Select #7 (Change Soft-Keyswitch Setting).
6. Select #3 (Service).
7. Then press 99 to go to the main menu.
8. Select #10 to start the boot off the CD.
* Limitations:
> The 7007-N40 is supported by a special N40 version of AIX 3.2.5.
The 7007-N40 is NOT supported at AIX V4.
> The support for the 7007-N40 and N40 AIX 3.2.5 has been withdrawn,
thus questions are answered on a best effort basis.
* Information
> Software maintenance on this system can be done by booting off the
AIX 3.2.5 for N40 cdrom. To do this, attach the cdrom drive to the
SCSI bus.
----------------------------------------------------------------------
You already knew most of this, but I'm sending it along in case it
might help.
--Pat.
Please respond directly to rmays(a)satx.rr.com
David Greelish
Publisher
Classic Computing Press
www.classiccomputing.com
In a message dated 12/26/00 6:36:25 PM, rmays(a)satx.rr.com writes:
<< We have an IBM System/36 mini-computer (possibly still in working
condition) that we would be interested in donating. >>
> From: THETechnoid(a)home.com <THETechnoid(a)home.com>
>
>
> Its clear that NTs dos support is based on OS/2s.
>
> Just for curiousity I've got a OS/2 Warp V3 kit including the bonus pack.
>
> What would it take to get networking going (TCP/IP prefered)?
>
> Also what later versions can be purchased and approximate cost?
>
> Allison
Legally, either Warp Connect or Warp4 -- or some other IBM software
like TCP/IP that has the Ethernet driver hooks...
It also can be done through the selective application of OS/2 fixpacks
to get the necessary parts. (this violates the software licenses)
To see how to do it check the web search engines and OS/2 news groups.
I've got Warp 4 and have been very pleased with it.
--Bill
--
bpechter(a)monmouth.com | FreeBSD since 1.0.2, Linux since 0.99.10
Brainbench MVP | Unix Sys Admin since Sys V/BSD 4.2
Unix Sys.Admin. | Windows System Administration: "Magical Misery Tour"
From: Sellam Ismail <foo(a)siconic.com>
>> Makes little difference what box it is one or mor eof the apps are
broken
>> and killing others. Composted (yes cow dung is composted) as they are
>> would they run better under VMS or on a Sun, likely not just the core
>> dumps might be more interesting.
>
>What's worse? An app that crashes, or an OS that crashes because an app
>misbehaves?
OS dies from bad app is clearly the worst case. It can hammer the
filesystem
and thats always messy. NT4 is clearly way better on that over W9x. The
acid test for both (from work experience) is start editing a document
with
WORD, running Paradox-9 or Delphi and then pull the plug out of the wall.
The W95 box generally does bad stuff while the NT4 box seems to shrug it
off loosing only unsaved work. W9x is not robust, never said it was.
>From testing OS/2 is in the NT4 response catagory to unexpected power
fails
The various unix clones seem to take it well but, I havent tested it as
hard.
Allison
> I don't believe I've ever seen a 924. I have a 925, and gave
> away about
> half a dozen 910/912/920 types a few years back. How does
> the 924 differ from the 925?
>
Point me at the details of a 925 and I'll tell you.
--
Kevan
Software engineers are so infatuated with the fact that they can, that they
don't stop to think if they should.
I've managed to boot the 3100 with the Hobbiest CD and now it sits at a
'$' prompt. Does anyone have the instructions for install the CD? I had
them but can not find them now. Any pointers (links) would be appreciated.
Also what/where is the '$' prompt? It doesn't take show commands so I'm
guessing I'm stuck in between something.
Thanks
--
Linux Home Automation Neil Cherry ncherry(a)home.net
http://members.home.net/ncherry (Text only)
http://meltingpot.fortunecity.com/lightsey/52 (Graphics)
http://linuxha.sourceforge.net/ (SourceForge)
On January 13, R. D. Davis wrote:
> Apparently seeing his company deteriorate led to his death. Hewlett
> Packard once produced equipment of very high quality, but, alas, it's
> product quality has greatly deteriorated and HP appears to consist
> mostly of marketing smoke and mirrors, only remaining in business
> because of the once excellent products that are associated with the
> company name.
Granted there's more plastic in them than there used to be, but HP
still makes the best test equipment that money can buy, as far as I'm
concerned. There's no smoke or mirrors in their test equipment
lineup.
-Dave McGuire
On January 13, Shawn T. Rutledge wrote:
> > Granted there's more plastic in them than there used to be, but HP
> > still makes the best test equipment that money can buy, as far as I'm
>
> Err, you mean Agilent does, right?
*GRR*.
NO, I mean HP does. Even if they're calling themselves Agilent now.
Fucking suits.
-Dave McGuire
Sorry to drift from the MS-bashing going on <g>, but if anyone is interested
in a set of 5 8-bit boards (3 full length, jumpered together) pulled from a
5150 based PC which was used for 3270 emulation, please let me know. Will
trade for Altair 8800 or for cost of shipping boards (your choice).
Bob Stek
Saver of Lost Sols
From: Mike Ford <mikeford(a)socal.rr.com>
>The beauty of *nix right now is that its a bit of a chore to install, no
>formal support, etc. and that leaves the door open for consultants et al
to
>make money selling, installing, and supporting it. Not a bad business
model
>really.
I take an aside to this. The current crop of BSD and Linux flavored unix
like
OSs seem to be as easy to install as W9x. With one caveat, the unix
camp is steeped in 30+ years of unix culture. It is this culture that
makes
if difficult as it's simply different! If you get past the difference
and can adopt
it's cultural language over prior biases it's fairly forthright and
simple to install.
Then again I say this as W95 was a royal PITA the first time compared to
VMS and other DEC OSs I was familiar with. Then again creating a BIOS
for CP/M was pretty intimidating at one time too.
Allison
I made to observations today. One was a flat, long slab from NCR, with what
seemed like 2 ISA slots in the back. On the bottom, it said on a label:
Class 3390 Model 1204
I suppose this was employed in a cash register? Anyone familiar with this
machine? I think it measured somewhere around 25?35?5 cm (W?D?H).
Later that afternoon, I found an Eizo monitor, model 9052S-T. Since I recently
got a very useful 9060S multisync, I thought this could be another good deal.
I can't find any information about it, though. How low would it sync?
Also, my 9060S suffers from noticable bleeding/ghosting around contrasting
edges. Any cure?
--
En ligne avec Thor 2.6.
When all else fails, read the instructions.
From: THETechnoid(a)home.com <THETechnoid(a)home.com>
>This is on an HPFS formatted drive. A power failure can screw the
>filesystem just like windows if you run fat. I gave up on fat about the
>time I got OS/2....
Yes, FAT bad, anything else better.
It's relevent too as FAT filesystem is only 18-19 years old and
represents
the greatest flaw of DOS, WIN3.1 and WIN9x.
While off topic, it's interesting and OS designand evolution is something
the list members might delve deeper into.
Allison
From: Sellam Ismail <foo(a)siconic.com>
>I buy nothing but Dell now, a good system that is as tightly integrated
>with Windows as any machine out there. I have one at home, and one at
the
>office. Yet I have to reboot each on average once a week.
FYI: my partners employer went all dell and they are far happier with
them
compared to DEC, compaq and Duratel. They dont seem to experience reboot
problems save for when they run one rather badly behaved ACCESS based
application. The Access hack (must have been written by script kiddies)
even has a sloppy user interface.
Don't blame the Cow for soggy cereal unless the Cow makes it.
Allison
>> Then again I say this as W95 was a royal PITA the first time compared
to
>> VMS and other DEC OSs I was familiar with. Then again creating a BIOS
>> for CP/M was pretty intimidating at one time too.
>>
>> Allison
>
>It all depends on the person. I can install things such as Linux,
OpenBSD,
>Solaris, OpenVMS, MacOS and RT-11 almost with my eyes closed, and the
hardest
>part is waiting for the software to move from CD to HD (yes, even with
RT-11).
>With any Windows variant I seem to have to dedicate a minimum of one day
to
>cursing and fighting the garbage!
Well first time took three days. Now I can do it in about an hour. 28
client
system that were horridly configured was the practice. By horrid things
like
only one 500mb partition on a 1gb disk and other offenses to the mind.
All I
had to do was learn the OS and install scripting. My favorite kind of
fun
is taking a wreck like a 486/33 with 8mb ram and 120mb of disk and
making a printserver and still have 60mb unused. I can do NT4/server
faster though as it wants fewer reboots. Once I learn Linux installs I
can
do that about as fast for a generic install with most packages. It's
the little "you gotta know" things that make a difference.
Allison
From: THETechnoid(a)home.com <THETechnoid(a)home.com>
>In Windows - ANY version, the applications are like different flavors of
>bullion and spices. They dissolve in the operating system and become
>virtually indistiguishable from the solute. If you make the mistake of
>mixing two incompatible flavors, you can't get only one flavor out of
the
This is indeed a secondary thing I dislike about MS. Though it's not
quite soup if the app your running is not MS. MS apps mingle with
the OS and make mush though I've pulled them out completely
with some work. The problem is more MS than the OS as things like
IE, OE and Office do not uninstall completely. They leave bits about
as reminders they were there. If your willing to hit the registry and
files system they can be removed bit it's a PITA. Its the price you
pay for ActiveX, COM, VBS and all the other MS hacks.
>> OS/2 V3 Close to NT maybe better on multitasking, security is
???
>
>OS/2 is significantly better than NT in the multitasking department and
>has no serious bugs I am aware of. OS/2 shippes (desktop versions) with
>essentially no SPECIAL security like NT does. It does have 'hooks' for
>this security and you can buy IBM or third-party software to latch into
>them and provide strong security. Warp Server versions are good
examples.
The lack of security in networked systems to me is a weakness. Even as
a home user now that I have DSL I have to thinkk about security so not
having
it is not a flaw but a weakness. Then again it's also V3 and rather old.
>I love these kinds of customers. They hire me, tell me what they want to
>do, but not HOW TO DO IT. Being who I am, I'd put Warp Clients on the
While I'm not told to use W95 or NT at work I ahve 40 users and 4 servers
and jumping to FreeBSD is a nontrivial task if the server is running
middleware like COLDfusion on Paradox databases.
>impartiality (or apathy) makes them practical. They put Windows on the
>desktop as clients to thier Warp servers to lower training requirements.
>Since these machines aren't being strained much, they serve thier
purpose,
>since the servers work fine, everybody is happy.
Exactly. In my case the servers are NT4 and NT3.51 and down time
is nearly unheard of. They are lightly loaded so it's fine.
>> WinNT4 I use it, best of the MS lot I've worked with.
>
>Much better than any other MS os except maybe DOS for stability. It has
>warts as does anything else, but it's biggest wart is the SOUP thing
which
>is death.
Its a problem but if you understand it it doesnt have to be. For example
I test
a lot of software that may be used. Rather than worry the uninstall
process
I image the disk (10gigs is under $100!!!), do my testing and go to the
image
to restore. The Unix approach is like VMS and I like it better but using
an
image accomplishes the same end as effectively. Copying apps from one
system to another under Winders is painful but it's COPYRIGHTED and
not supposed to be so that's not an issue at work.
>> Linux It's getting too loaded with MSisms
>
>Linux is kinda messy and poorly documented. I like it, but that is just
>me.
Yes but if you were building a work system that makes for a lot of
training and documentation as part of the work done. As an engineer
I've learned if it's not documented it cant be reproduced and didn't
exist.
>NetBSD is best I think. Then again, I don't spend my days trying to
keep
>brilliant kids from trashing my systems so someone may have a more
>informed opinion.
FreeBSD do do security regression testing so I find them the most secure
or at least I can identify the holes or other flaws.
>I just got into VMS recently so don't really have an opinion - YET :-0
Its an interesting OS. If your unix inculturated or used to say IBMisms
(non PC) then it may bug you. It is robust, uses the hardware well
and is reasonable enough. I like the grey wall (docs, lots of DOCS).
Part of it's robustness and all come from being married to a specific
processor (VAX) and 20+ years of maturity.
Then again if MS didn't morph the OS every 5 years to something
vastly different with a ton of legacy addons it could be better. Instead
we have Win3.1, W9x, WNT3/4,win2000 codebases and each trying to
eliminate the apps for the previous.
Oh, to me the OS is like razors. Give the handle away and sell the
blades. Problem is people keep changing the handle to keep
other guys from making blades for it. The latter is the Microsoft way.
Allison
From: Iggy Drougge <optimus(a)canit.se>
>>is taking a wreck like a 486/33 with 8mb ram and 120mb of disk and
>>making a printserver and still have 60mb unused.
>
>60 megs? You waste sixty megs on a printserver? My, that's resourceful.
Not.
Sure I could have dug up a smaller hard disk but that one was already
excess.
When you consider the 120mb IDE disk, 486box and all were picked up as
trash for the dumper, yes! It's has no floppy, headless{no tube}, no
mouse
or keyboard either. Cost was time to install from a loose CDrom drive.
It serves a HP color inkjet and a HP4L to 6 W95 users and doing that
with anything else is either more complicated or didnt' buy me a thing.
Runs 24/7 with only reboots for power loss (about 5-7 times a year).
Allison
From: Sellam Ismail <foo(a)siconic.com>
>If you need a good proxy server on as low end a system you can (win95 as
a
>proxy server? oi!) try the Linux Router Project. Can run on a lowly
386
An aside if W95 is only doing proxy server it's fine, just done ask it to
be
printserver and a local workstation as well. First it was a box I had
handy,
not that it was a best choice. Runs much better on NT4/WS minimal
running on a 486dx/66 in 20mb ram.
The LRP is already running on a SIIG3000 (brick sized 386/16 W/5mb ram)
and it's a good enough combo. It only has one eithernic due to internal
slot
limits, that one will later be a modem NAT/router from DSL down times.
Like many others I've gone DSL and the DSL modem needs NAT, firewall,
antivirus and proxy services in it so I have to look around too. My
preference
is FreeBSD or VMS running on a box with two EitherNICs so that my
backbone
is completely isolated from the DSL.
Allison
Since we are all in asbestos shorts/panties mode I might as well join in.
My neighbors think I know all about new computers because I have a garage
full of old computers. My most recent inquiries are similar to the
following.
Neighbor Q: I was trying to print a word document that I hadn't saved when
my computer locked up.
My Q: What else was running?
Neighbor A: All this stuff that runs when my computer starts up.
My Q: Any other programs?
Neighbor A: Well I was also dialed into AOL and running Napster.
Neighbor Q: Don't you have these same problems.
My A: I don't listen to music when I program and I don't use Napster.
My Q: When is the last time you purged any files?
Neighbor A: Does it do it automatically?
My Q: When is the last time you did a backup?
Neighbor A: Does it do it automatically?
My Q: Did you save the document?
Neighbor A: Does it do it automatically? I just spent 2 hours typing and now
I'm ready to print. When I'm finished editing I'll save the final copy.
My A: Leave it alone and I'll look at it when I get a chance.
I visit.
My Q: Why do you have both Norton and Macafe antivirus running?
Neighbor A: I need virus protection they start automatically.
MY Q: Why do you have AOL, AIM, and MSN running?
Neighbor A: Some came installed and I use AOL for access to internet, they
start automatically.
My Q: Why run Napster while you're typing?
Neighbor A: I always listen to music when I type, the computer is closer
than the stereo so I run Napster
System has 25 GB disk, 256 MB memory and 56% of resources available, no
keyboard response.
My suggestion: Don't do more than 1 thing at a time and you will not have
any problems.
Neighbor Q: I though computers allowed you to do lots of things at the same
time?
Neighbor Q: I really want to play games, download music and listen to it at
the same time
MY Q: Do you want to burn CD's?
Neighbor A: Yes
MY Q: Do you want to scan pictures and print them?
Neighbor A: Yes
My A: Get a CRAY computer
Neighbor Q: How much are they?
I feel much better now that I've vented.
People want a black box that works without them thinking, and that's what
they have been promised by Dell, Gateway and Compaq.
Mike
mmcfadden(a)cmh.edu
Hi,
[Firstly, for some reason I never received classiccmp digest #482. Could
someone be kind enough to email it to me, preferably compressed?]
On Wed, 10 Jan 2001 12:11:35 -0500
> For Pr1me minis, hard drives have to be able to support a sector size
> of 2080 bytes, instead of or in addition to the usual 512-byte sector
> support. With Apple, their *first* hard drive (a non-SCSI unit) had
> things called disk tags that required drives that support a sector
> size of 576 bytes (from memory, probably wrong).
>
> I'm not defending the practice; while I assumed your remark was
> rhetorical, not everyone in the audience may be as well-informed
> as we are.
Sector size is sometimes/usually controllable by the user.
By issuing a format unit command with the appropriate parameters, some drives
can be formatted to (almost) any sector size. The 86MB Fujitsu hard disk that
I bought in 1991 came with a leaflet describing how to do this. The OEM manual
for any given drive should say whether the sector size can be altered.
This could be useful if you want to use a "normal" SCSI drive with some exotic
computer, or vice versa.
If you are not using a lame OS that has trouble with non-512-byte sectors,
"free" disk space may be obtainable by reformatting with larger sector size
such as 1K or 2K. Since there are fewer sector headers etc. with larger
sector
sizes, the disk capacity increases.
On some drives, the manufacturer name that the drive reports can be changed by
issuing the correct SCSI command(s). I have no idea what proportion of drives
support this; it is probably not common (I know Fujitsu 230MB MO drives do).
On a related subject, does anyone have OEM manuals for any old hard disks,
optical drives or any other SCSI devices? These are usually impossible to
obtain from the manufacturer, and can be very useful. In particular, I'd like
to get hold of OEM/SCSI manuals for:
Chinon CDS-435 CD-ROM
Fujitsu M2511 MO drive
Fujitsu M2612ESA hard disk
Fujitsu M3191F1/F2 scanner
Ricoh RH5500 50MB removable cartridge drive
Various Ricoh MO drives
Seagate ST1480N hard disk
-- Mark
From: Mike Ford <mikeford(a)socal.rr.com>
>My suggestion would be to use any 486 class hardware that you have handy
>that will easily support TWO network adapters. People tell me a decent
386
>will even work, but with a 486/66 you have a LOT more flexibility with
>memory etc.
I've tried a 386DX/40 (with cache) and it was as good as a 486/33. The
key
thing is availability of memory and peripherals for it. Also there are
the
problems like some 386 boards getting more than 8-32mb of ram on the
board is hard, expensive or impossible plus limited bios support for
large
(over 500mb) disks.
>A nice canned commercial package, but still free for home use;
www.gnatbox.com
I have to check this out. ;)
Allison
From: Mike Ford <mikeford(a)socal.rr.com>
>When you have a LOT of unix experience they do seem about as easy to
>install, but I am a fairly normal, knowledgable person and it took me
That is the culture and documentation thing. Plus, unix {and clones} is
an
OS not an application unto itself. So that means you can use it for
anything
BUT, anything you may want to do is not always documented in a direct
stepwise fashon.
>had to do, but the mechanics of doing it are much more familiar. Exiting
vi
>the first time I edited /etc/resolv.rc only took about an hour.
Well, having had to live with TECO, Vteco, ED {cpm version} and command
line editing inside VAX EDT {teco macros} a command line oriented visual
editor like VI is far less foreign. Be glad you didn't have to use unix
ED!
>at what price? (both in $ and failing to learn how to exit vi). When I
>recommend NetBSD, part of the recommendation is before you get started,
>join a support list (and I give a URL).
Do the words HELP! mean anything? It's a good idea.
>With windows the problem is the opposite, the damn thing wants to run
>EXACTLY the way it wants to with few if any user options and very much
at
>your own risk.
Well yes and no. To make a point yes it's more limiting, it was designed
for a different use (more like specific use). However if you learn how
to
manipulate the Registry, some of the .INI files and other burried bits
it's
possible to tune or even eliminate a lot. The first step is learning how
to install it with the opions you want and not the MS or CPU vendor
selected set. For example getting the W95 OSR2/USB OEM version
to NOT install AOL, ATT and Compuserve or the correct set of tools.
It does make a difference. If your using W98 (or 98second or ME)
using 98lite to eliminate some of the junk in the install process can
considerably lighten and speed the end result. But this is going far
beyond the usual level that even most W9x power users go.
In comparison, Unix users have gone to the level beyond the Windows
power user. Most are doing system integration (making a NAT box
lets say) and are even doing significant applications development.
You can do that with W9x but you need the SDKs and corrosponding
knowledge. In the end it's not an OS thing beyond having the fundemental
hooks in it.
There is nothing to say you couldn't have used:
WinNT
OS/2
BeOS
Minix
OpenDOS
or whatever to do the same project. Each would impose different
knowledge requirements and development loads. By the same token
each one would have differing paybacks in cpu, memory and storage
needed to accomplish the task to some given level of performance.
Anywho, where W95 is actually weak in my mind is isolation between
applications and the OS. The result is a misbehaving app or driver
can kill the system. Security is poor as well. The serious offense
and W98 (ME edition is best here) is TASK management and
scheduling. In all it's a low security and weak multitasking OS.
So if it doesn't perform with 10 tasks open then one should not
be surprized.
Based on the above comment I find this to be my opinion of multitasking
perfomance of OSs I've used or seriously looked at for PC hardware.
Poor Win3.11 little to no protection for the OS or tasks
W9x Limited OS and task protection and some
security.
OS/2 V3 Close to NT maybe better on multitasking,
security is ???
WinNT4 I use it, best of the MS lot I've worked with.
Linux It's getting too loaded with MSisms
Unix clones {FreeBSD, OpenBSD} good multitasking,
excellent security
BEST ..............unknown
I'm Biased as I don't think any of them are at the OpenVMS level of
reliability, performance or documentation. The latter, documentation
both in it's completeness and conciseness alone seperates it from
the PC OS listed though linux likely has by shear bulk come close.
Allison
From: Sellam Ismail <foo(a)siconic.com>
>
>And for the most part that's what Windows delivers, albeit sometimes
very
>poorly. I can be playing Casino99, listening to Napster tunes, surfing
>the web, checking my e-mail, have a telnet session open, and have
Outlook
>Express open, all concurrently. But then when I close down Casino99
while
>Napster is playing a tune, Napster crashes. Then it causes other shit
to
>go haywire sometimes, resulting in the need to reboot. This is on a
Dell
>Dimension 4100. A nice box.
Makes little difference what box it is one or mor eof the apps are broken
and killing others. Composted (yes cow dung is composted) as they are
would they run better under VMS or on a Sun, likely not just the core
dumps might be more interesting.
Then if you also looked even on a "Real OS, (tm)" youd find they still
buffer overflow, mem leak and leave garbage in memory or load broken
drivers. Just a few of the far to common offencesI've seen.
>If I would trade convenience for stability and run Linux instead, I
could
>do all these things, only faster, better, and cheaper (in terms of less
>medication for my high blood pressure caused by every Windows reboot).
Maybe, once you debug and recompile the apps.
Allison
From: Marvin <marvin(a)rain.org>
Subject: OT: Router Configuration
>SparcStation 2 with Solaris 7, of course some Pentium (and below)
computers,
>etc. available but I am clueless on what type of software could be used
to
>set this up. I would also like to put up a web server that most likely
would
>only be accessable (for the time being) from inside. My knowledge in the
>area of setting something like this up is pretty small. Any suggestions?
>Thanks.
Low end pentium running whatever you knew well.
I've tried W95(custom install, minimal system) with AnalogX Proxy server
on the DSL with good results with a 486dx/66 and 16mb ram.
NT4/WS running analogX Proxy was better on the 486dx/66 FYI.
There is LRP (Linux router project) and I'm sure FreeBSD and the right
stuff works well for this too.
Most anything works but what software is mostly a case of what you
know (can buy) and and configure. NAT/Router/Bridge/proxy/firewall
things do not that seem all that cpu intensive.
Allison
Folks,
Can you expect to say to a housewife : This is a Linux cd. Install it on
this computer and I expect you to have looked at these Internet sites by
tomorrow morning? It would have to be some housewife!! Linux needs far to
much work still to make it fit for the masses.
Wim
On January 11, Richard Erlacher wrote:
> Sir, you damage your credibility with statements like some you've made here.
> While it's true that the Microsoft products may not be the "best" thing for
> thos of us who are inclined to fuss and fiddle with our computers, they're
> WAY better for those who can't, won't, or shouldn't.
I know this response wasn't directed at me, but I have to take [at
least a little] exception to this.
Microsoft products are teaching (have teached?) the world that
computers (ALL computers) need to be restarted several times each day,
and that this is normal and acceptable behavior. That computers break
frequently, and cause the loss of work. That computers (MODERN
computers) have a bitmapped click-happy interface, and anything that
doesn't is "quaint, useless old technology".
Do you really think these are good things for computer neophytes to
be taught? There are hoards of Microsoft weenies running around who
actually *believe* these things...and with Microsoft teaching them to
shun other technologies, they'll probably *never* understand the true
nature of "computers".
Here's an exaple of the brain-damage that Microsoft is promoting. A
while back, I had a job in which I was designing some custom
microcoded floating-point processors using MSI and LSI chips and
PAL/TTL glue. My grandmother (may she rest in peace) was talking to
her [windows-running] neighbor, bragging about me in typical
grandmother style...when asked what I do for a living, she answered
proudly and accurately, "my grandson is very smart...he builds
computers!" The neighbor, obviously lacking the social skills to
understand that he was being insulting, said "aww, that's
nothing...building them is the easy part. It's LOADING them that's
hard! Maybe he'll get to that level in a few years. Keeping all
those programs from messing up Windows is the really hard part of
'computers'."
I was utterly flabbergasted by this, so much that I was rendered
speechless.
-Dave McGuire
From: healyzh(a)aracnet.com <healyzh(a)aracnet.com>>
>Is there a point to this rambling? Yes, there is! Applications!
>Specifically usable applications are what make or break a OS. If an OS
>doesn't run the Apps a person wants, they're unlikely to use that OS.
There is the key point.
Also most people that like WP didnt' like the later versions MS like look
and feel
despite the features.
Allison
>Q
Really quit Pine?
>Y
Expunge the 75 deleted messages from "INBOX"?
>Y
You sure? Possibly important threads exist.
>Y!
Are you aware that 73 of them are from the Thread: "Nuke Redmond"??
>YYYYYYYYY
Last chance to read them all again before deletion: [Y/N]:
> y
Deleted all 75 messages and kept 238.
>Pine finished. To recover the 73 deleted "Nuke Redmond" messages, enter
the following comm {{{{|||~{{|~|~|~eee~|~|~||qqq|~{|{~{~{{{||
NO CARRIER
John