And the "AOS Windows" Disk is NOT MS-Windows... the ONLY reason that any of
the disks say anything about MS is that at that point Xenix was still owned
my Microsoft....
At 03:39 AM 2/28/02 -0600, you wrote:
>On Thu, 28 Feb 2002, Bill Dawson wrote:
>
> > This page says it all:
> >
> > http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=2004856941
> >
> > And check out the TOS! ROLF.
>
>Gosh, what an idiot... I might even have a similar set of disks around
>somewhere.
>
>-Toth
Is there info somewhere that shows how symbols are encoded onto paper
tape?
Ideally it would include the actual hole positions like so:
8 4 2 1
A: *
B: *
C: * *
(Note: this is not an actual example but just an example of the format
I'm looking for. Of course.)
Thanks!
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
* Old computing resources for business and academia at www.VintageTech.com *
Once upon a time....
There were a bunch of these in the early hobby channel,
say, around 1981... the seller had complete instructions
for interfacing them, and included some rudimentary code
for using overstrikes to simulate characters bot available
in its 5-level (Murray?) coding scheme.
They were going for $150 at the time, and I still could
kick myself for not grabbing one, they looked pretty cool.
Anyone got a garage full of them?
-dq
> > Peart came in, and while they were impressed with his
> > drumming abilities, they were also thinking, "Hey! This guy can READ!"
Reminds me of the guy who went to an audition and was asked by the band
leader if he could read music.
He replied, "Not enough to screw up my playing."
Also reminds me of "programmers" who can "write code" but seem unable to
read other people's code. Has anyone else had this experience? I run into
this sort of person all the time . . .
Glen
0/0
Do you have any pictures of this telecompaq? I have a chance to buy one and
was wondering what it looked like. What is it, 286, 386, 8088 or something
else? Thanks for any help!
Nathan
Ok, Here's what I am doing for backup to DC tape drive..
~500 mb per tape:
tar -cvf /dev/st0 -L 500000 /root /etc (... mention many directories)
is this correct for backup or do I need any other flags?
How do I do an incremental?
(This is assuming that I am using a "Classic" system running
unix...)
How do I recover a file?
Thanks.
On Feb 28, 6:16, Tothwolf wrote:
> Cat5 (category 5 rated) cable is more appropriately called UTP
(unshielded
> twisted pair) cable. UTP cable is not shielded, and for serial
> applications, the category rating isn't very important. Keep in mind that
> category '5e' cable is much more difficult to work with compared to
> category 5/4/3 if you are planning to install RJ45 connectors yourself,
> due to molded pairs.
I've only seen one brand of Cat5e with pairs bonded. Almost all the Cat5e
I've worked with is very easy to untwist. "Cat6" is usually bonded,
though.
> As far as wire colors go, UTP cable has a standard
> color code for the individual pairs, but the pinout varies depending on
> the application for the cable.
There are three standards for that, TIA 568A, TIA 568B, and USOC.
--
Pete Peter Turnbull
Network Manager
University of York
On Feb 28, 14:48, Sean 'Captain Napalm' Conner wrote:
> Do you mean for the outside sleeve, or the individual wires in the
cable?
> For the outside, there is no real standard color that I'm aware of,
although
> there is a standard ordering for the wires when crimping (I think it goes
> orange, green, brown, blue (solid followed by white and color) but don't
> quote me on that---it's been awhile since I've crimped CAT5 network
cables).
Not quite. It's white-with-colour then plain colour (or colour with a thin
white stripe or rings), and the common order in Europe is T568B (aka 258A):
white/orange pin 1
orange
white/green
blue
white/blue
green
white/brown
brown pin 8
I believe the common order in the States is to swap orange and green pairs,
which is T568A. If you use one scheme at one end and the other scheme at
the opposite end, you have a standard Ethernet crossover cable. ie, pins 1
and 2 are swapped with pins 3 and 6 but pins 4+5 and 7+8 are
straight-through.
> But for a regular CAT5 cable, as long as you use the same order for each
> end, it'll work fine.
Almost. You need to keep the pairs as pairs, on pins 1/2, 3/6, 4/5, and
7/8.
--
Pete Peter Turnbull
Network Manager
University of York
Commands such as FORMAT, DISKCOPY and DISKCOMP ignore drive reassignments.
Perhaps the MS install program did something similar to these commands.
Bob
-----Original Message-----
From: Fred Cisin (XenoSoft) [mailto:cisin@xenosoft.com]
Sent: Thursday, February 28, 2002 2:04 PM
To: classiccmp(a)classiccmp.org
Subject: Re: Multiple floppies in one system?
<snip>
BUT, ...
The INSTALL program of MS-DOS 6.00 would NOT work with an ASSIGNed drive!
Thought it would be interesting to do a Windows screen driver for the HP
95LX :-)
-----Original Message-----
From: Douglas Quebbeman [mailto:dhquebbeman@theestopinalgroup.com]
Sent: Thursday, February 28, 2002 10:08 AM
To: 'classiccmp(a)classiccmp.org'
Subject: RE: Windows 3.1 DDK
>
> Does anyone have the Windows _3.0_ SDK/DDK?
>
Interesting request... planning on writing any
real-mode Windows drivers?
-dq
I've got the scanner and adapter box for the Macintosh Thunderscan that
I no longer want. $5.00 including Priority Mail shipping in the US (they
include the box :)!) Email me if interested.
Hello, all:
Does anyone have the Windows 3.1 DDK (device driver deveopment kit)?
I'm looking for it to do some spleunking of Win3.1 kernel code. I already
have the SDK, but I need the DDK.
Thanks.
Rich
Does anyone have a line on old office chairs with FOUR
legs instead of the fscking OSHA-mandated FIVE legs?
It is impossible to roll around in one of these
without, when you roll back forward, having a
single leg protruding such that it hits *anything*
that might be in the way, like a table leg...
grrr...
I am attempting to recover some files from a DECTAPE II cartridge.
They are in RT-11 format, so the most useful drive would be a TU-58.
Does anyone have a spare drive that they are willing to sell or at
least rent for a long time? The one that I prefer is a dual desk
top box with its own internal power supply and a 10 pin header on
the back for connection to an RS-232 channel so it can be connected
easily to a DLV11-J (or any other DL channel on a PDP-11 with some
wiring changes).
A TU-58 is normally standard with a PDP-11/44, so if the 11/44 is not
in a state to be rescued, that at least if there is a TU-58 available,
please contact me. They may also have been used with a VAX 11/780.
On Feb 28, 16:04, Douglas Quebbeman wrote:
> Once upon a time....
>
> There were a bunch of these in the early hobby channel,
> say, around 1981... the seller had complete instructions
> for interfacing them, and included some rudimentary code
> for using overstrikes to simulate characters bot available
> in its 5-level (Murray?) coding scheme.
>
> They were going for $150 at the time, and I still could
> kick myself for not grabbing one, they looked pretty cool.
>
> Anyone got a garage full of them?
Nope, my first printer was a 7B -- about 1981 -- but it's long since gone.
It cost me a lot less than $150! I'm sure I've mentioned before how I
wrote a driver for a Sorcerer for it, and how I changed the positions of
some of the type slugs to make overstrikes easier.
--
Pete Peter Turnbull
Network Manager
University of York
any body know what the instuction set for the MZ3850 CPU is or better still
sourse code for the racal RA6790/gm or variant of that rx so i can change the
cpu for one that works.
On Feb 27, 22:48, Andreas Freiherr wrote:
> Also, the last three locations are slightly different, but this
> shouldn't present a problem:
>
> 2130 005000 CLR R0
> 2132 005007 CLR PC (my favourite PDP-11 instruction, really!)
> 2134 000000 HALT
I've seen one like that too.
> > sectors, not two. The reason for missing the even-numbered sectors is
> > because they are software interleaved to give time for the memory
transfers
> > between reads.
>
> I thought this is done by spacing the sectors on the disk surface (like
> 1, 13, 2, 14, etc.) and having drive electronics deal with the sector
> number from the preamble? Consequently, this would be a property of the
> floppy that would be implemented when the media was formatted.
RX02s are usually formatted with the physical sectors in strict order, so
software interleave is used.
> > Some versions actually have the HALT elsewhere. I once spent ages
trying
> > to work out the shortest variation on this bootstrap, IIRC I managed to
> > save just one word.
>
> I think more significant savings could perhaps be obtained by
> initializing a stack at the beginning and then using a subroutine like
>
> WAITRX: BIT R0, (R1)
> BEQ $-4
> BMI ABORT
> RTS PC
> ABORT: HALT
>
> to wait for any of the TR, ERR or DONE bits to come up, instead of
> repeating these instructions every time.
Possibly. But if you work it out completely, I think you'll find you save
very little. Not all of the tests are checking for an error, either.
> Since you never set the INTR ENB bit in the RX2CS register, you just
> need to keep your fingers crossed so no other device will issue an
> interrupt request... ;-)
Yes :-)
> Yes. But this is neither a typo nor a printing error. If you read four
> blocks of 200(8) _words_ each, starting at zero, you fill exactly
> 2000(8) _bytes_, and the next free location is 2000(8). As you state,
> the printed version is prepared for conversion to single density (by
> clearing the 400 bit in locations 2036 and 2072, right?) by reading in
> four blocks... - So, the reason is somewhat similar to that for the
> TS-11.
Yes, but if it's single density, which is the only reason you'd read four
sectors, the sectors are 128 bytes [100(8)] not 256, so it's still only
1000(8).
--
Pete Peter Turnbull
Network Manager
University of York
On Feb 28, 0:16, Ethan Dicks wrote:
> --- Johnny Billquist <bqt(a)update.uu.se> wrote:
> > On Wed, 27 Feb 2002, Jochen Kunz wrote:
> > > On 2002.02.27 05:04 Gunther Schadow wrote:
> > >
> > > > I have the UDA50 manual
>
> Would that be EK-UDA50-UG-003? That's all I could turn up after
> pawing through stuff that isn't in storage.
> > I would really like to get my hands on the UDA50 programming manual. It
> > seems to be extremely rare.
>
> I'd say so.
I have two manuals that are relevant:
"MSCP Basic Disk Functions Manual
AA-L619A-TK Version 1.2
A part of UDA50 Programmer's
Doc. Kit
QP-905-GZ
First Edition
April 1982"
and
"Storage System Diagnostics
and Utility Protocol
AA-L620A-TK
A part of UDA50 Programmer's
Doc. Kit
QP905-GZ"
--
Pete Peter Turnbull
Network Manager
University of York
> > > The Assign command works wonders in cases like these. Unfortunately
> > > MicroSoulth dropped it from their later versions of DOS. Still you can
> > > probaly use a copy from an older DOS and use other DOS cammand (that I
> > > can't think of the name of) to fake it into thinking that it's running
> > > under it's native DOS version.
> >
> > Could you be thinking of 'setver' (or was it called something else?)
>
> The MS-DOS ASSIGN command let you assign a drive letter for a drive, sort
> of like an alias.
>
> I think the syntax was:
>
> ASSIGN D: C:
>
> Meaning D: would be the equivalent of C:
Wow, sounds just like the DOS/CMD.EXE (NT, 2000) command called
SUBST
as in identical syntax...
-dq
In the "useless trivia" category, DEC Rainbows all support 4 floppies (= 2
x RX50 drive) out of the box, though most came with only one RX50.
IMPDRV, by Warner Losh, will let you hook up a 3.5" drive in place of one
of those RX50's.
However, I know of no way to get "normal" 5.25" or 8" drives hung onto the
Rainbow, so I strongly suspect this is not of much use to you.
- Mark
The format depends on the program writing the tape, binary or text.
In "Binary" tapes, the eight holes correspond to a "byte", which is just loaded into memory, byte-by-byte.
The problem is that paper tape readers are error prone and any binary error was a potential crash.
To solve this problem, the Altair Basic "Boot" loader starts with a straight binary tape.
The straight binary formart continues for a few hundred bytes during which a "checksum loader" is read.
Then a special binary code on the tape triggers a jump from the "boot loader" to the "checksum loader".
You can recognize the blocks of the checksum loader on the tape, because every foot or two, you see a code that consistently repeats.
Text format paper tapes are almost always simple, standard ASCII codes translated into binary.
Text format can be recognized because, in those days, ASCII was almost always limited to 7-bits.
This means that the tape has a column on one edge with very few holes -- that is the column 8.
The other side is column 1.
Here is a link to an excellent 7-bit ASCII table that I just found:
http://www.neurophys.wisc.edu/www/comp/docs/ascii.html
Here is a clip from it:
Decimal Octal Hex Binary Value
065 101 041 01000001 A
066 102 042 01000010 B
067 103 043 01000011 C
068 104 044 01000100 D
069 105 045 01000101 E
So with column 8 on the left, you read like this:
(Holes in the tape translate to binary "1"s.)
xOxxxxxO translates to 01000001 binary -- which is the octal 101 -- which is a capital "A".
xOxxxOxO translates to 01000101 binary -- which is the octal 105 -- which is a capital "E".
Most of us found "Octal" codes easiest to work with manually -- Hex became popular later.
Got It ?
-----Original Message-----
From: Vintage Computer Festival [SMTP:vcf@vintage.org]
Sent: Thursday, February 28, 2002 5:51 AM
To: Classic Computers Mailing List
Subject: Need paper tape encoding format
Is there info somewhere that shows how symbols are encoded onto paper
tape?
Ideally it would include the actual hole positions like so:
8 4 2 1
A: *
B: *
C: * *
(Note: this is not an actual example but just an example of the format
I'm looking for. Of course.)
Thanks!
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
* Old computing resources for business and academia at www.VintageTech.com *
> Robert F Schaefer wrote:
>
>Apparently the thought was to sell/bundle the 90 degree cable, to
force the
>purchaser to `upgrade' to the straight cable when it was necessry
to plug
>in more than one SCSI device. I cursed it soundly when I realized
it
>obstructed the pass-thru connector on the back of the TK50 I have.
As all
>my other SCSI toys have the HD connectors, I might have to end up
getting a
>50-pin centronics-like :) M-F cable to connect things.
Sometimes the 90-degree cable works best and sometimes
the straight one works best. The 90-degree ones work
nicely at the back of a VS4000 ... not so much
spce is needed at the back of the box (vents
are at the sides!).
Same deal goes with the 90-degree vs straight
ethernet connectors.
Horses for courses.
Antonio
ASSIGN (with the format such as "assign a=c" -- no colons allowed)
"Instructs DOS to route disk I/O requests for one drive into disk I/O
requests for another drive" (IBM DOS 3.30 Ref Manual).
SUBST (with the format such as "subst g: c:\foo\bar") "Allows you to use a
different drive specifier to refer to another drive or path." It's useful
where a program does not recognize paths, but does recognize different drive
letters.
Bob
-----Original Message-----
From: Douglas Quebbeman [mailto:dhquebbeman@theestopinalgroup.com]
Sent: Thursday, February 28, 2002 1:27 PM
To: 'classiccmp(a)classiccmp.org'
Subject: RE: Multiple floppies in one system?
> > > The Assign command works wonders in cases like these. Unfortunately
> > > MicroSoulth dropped it from their later versions of DOS. Still you can
> > > probaly use a copy from an older DOS and use other DOS cammand (that I
> > > can't think of the name of) to fake it into thinking that it's running
> > > under it's native DOS version.
> >
> > Could you be thinking of 'setver' (or was it called something else?)
>
> The MS-DOS ASSIGN command let you assign a drive letter for a drive, sort
> of like an alias.
>
> I think the syntax was:
>
> ASSIGN D: C:
>
> Meaning D: would be the equivalent of C:
Wow, sounds just like the DOS/CMD.EXE (NT, 2000) command called
SUBST
as in identical syntax...
-dq
Well, I've been searching for RK05 alignment packs, and though I've been
very successful, I was hoping to find some at a cheaper price (hey, it
never hurts to try...)
Anyways, so far i've found 3 RK05 alignment packs available at various
DEC resellers, but they are $150 each. And both 12 and 16 sector packs
for $50 each for that matter. If someone is desperate enough to be
interested at these prices, just let me know.
-Lawrence LeMay
lemay(a)cs.umn.edu
On Feb 28, 12:26, William S. wrote:
> By shielded do you mean CAT5 cable? I was planning on
> using that. Speaking of which, is there a proper
> color to use? ie) grey, red, blue? This will only
> be a home setup but was wondering if there is an
> official color code.
Cat5 and Cat5e are UTP (unshielded). There is an equivalent shielded (STP)
cable but it's a slightly different impedance so it's not Cat5 standard.
No, there isn't an official colour code, though many sites have a local
convention. Ours is to use black for serial, purple for crossovers, yellow
for student network, pink or brown for telecomms, and other colours ad-hoc
to distinguish various subnets in areas where more than one is in use.
Where I worked before, the code was
grey normal network
purple crossed cable
orange uplink cable, not crossed but connected to one that is
yellow student network in a staff area (or vice versa)
pink management network
green telephone connection
blue ISDN connection
red temporary connection -- do not touch
black serial connection
--
Pete Peter Turnbull
Network Manager
University of York
Wow, that's amazing!! I haven't seen anything like it from JDR
since the 80's! A JDR product offering with something resembling
a reasonable selling price!
Are you sure that's not a typo on their webpage!?!?
I think I'm going to faint . . .
;^)
Jeff
On Thu, 28 Feb 2002 00:06:32 GMT pete(a)dunnington.u-net.com (Pete
Turnbull) writes:
> On Feb 27, 17:23, Russ Blakeman wrote:
> > Well SOB - they still sell the MCT 8 bit 4 floppy controller -
> about
> 1/5th
> > of what it used to cost in 85...here's a link to it:
> >
> > http://www.jdr.com/interact/item.asp?itemno=MCT-FDC-HD4
>
> Interesting. Anyone know if it supports single density, and/or
> works with
> 8" drives (in conjunction with suitable cable adaptor)?
>
> --
> Pete Peter Turnbull
> Network Manager
> University of York
________________________________________________________________
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/web/.
Because of the NatSemi 32000 manuals described on my web site
at http://www.threedee.com/jcm/library/, I received this inquiry:
"I am collecting manuals for RISC-type processors of the early 1990s.
I haven't been able to find Power/Power 2 (the processor/s inside the
IBM RS/6000 computers)... Why is that? "
I know nothing of those machines. Can someone help me with
an answer I can forward?
- John
At 08:49 AM 2/28/02 -0600, you wrote:
>On Thu, 28 Feb 2002, Joe wrote:
>
>> The Assign command works wonders in cases like these. Unfortunately
>> MicroSoulth dropped it from their later versions of DOS. Still you can
>> probaly use a copy from an older DOS and use other DOS cammand (that I
>> can't think of the name of) to fake it into thinking that it's running
>> under it's native DOS version.
>
>Could you be thinking of 'setver'
Yes, that's it. I couldn't remember the name.
Joe
On Feb 28, 1:06, Ethan Dicks wrote:
> > the "systematic" name (used almost everywhere *by chemists*)
> > is "propan-2-ol"...
>
> Since it's been years since I've been in a chem lab... when did this
> naming convention hit the States? In 1985, I'm fairly certain we
> called it isopropanol. Perhaps my education was behind the times.
Dunno. Perhaps it never did, but that's the systmatic nomenclature form.
To be fair, though, the systematic names are more useful for more complex
molecules, where there would otherwise be amiguity.
> > > Even "aluminum" is different, but I don't remember how different...
> >
> > You mean "aluminium" :-) Like sodium, potassium, uranium, ...
>
> Platinium... err, wait... nevermind. ;-)
Why do you think I didn't use that example? :-) Or molybdenium, tantalium,
lanthanium. There are 65 elements whose names end in "ium", only four that
end in "um" not "ium", and just one that varies according to geography :-)
--
Pete Peter Turnbull
Network Manager
University of York
In a message dated 2/28/2002 11:23:42 AM Central Standard Time,
geneb(a)deltasoft.com writes:
> On Thu, 28 Feb 2002, Tothwolf wrote:
>
> > On Thu, 28 Feb 2002, Bill Dawson wrote:
> >
> > > This page says it all:
> > >
> > > http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=2004856941
> > >
> > > And check out the TOS! ROLF.
> >
> > Gosh, what an idiot... I might even have a similar set of disks around
> > somewhere.
> >
> Ahh, but were they hand carried to "Prevent Pirate Copy's"? *snicker*
>
> g.
>
here is his reply to me. I asked about collector qualifications, prepaid
accomodations to out-of-area people to meet him and the provenance of the
disks.
>I asked for a collector, due to keeping the ppl away that tend to
pest......the >exchange part just prevent eg: you buy the software and I send
you, you copy then >send back to me and say it dosent work, nothing fancy,
just like selling a Porche >and not letting every Tom, Dick and Hairy drive
it.
www.nothingtodo.org
I second the motion -- this is getting ridiculous.
I also volunteer to assist in moderation duties. Since I've run out of
space, time, and money I have no desire to acquire any more machines, so I
won't be tempted try to beat the list out of a fair shot at getting
equipment offered by non-subscribers.
And while I'm on a roll, here: Doc, how about coughing up the name of the
list-member who tried to pull a fast one on you so that the rest of us can
know how to deal with this person in future transactions? Kinda like Ebay
feedback??
Glen
0/0
----------
> From: John Allain <allain(a)panix.com>
> To: classiccmp(a)classiccmp.org
> Subject: Re: Stanco della solita routine quotidiana??
> Date: Wednesday, February 27, 2002 11:06 AM
>
> Untitled DocumentChrissakes, no nonsubscribers!
>
> John A.
>
I'm putting together an old 486 system, one of whose main purposes will be to
read/write floppies of several formats. Like 5.25" 360K, 720K, 1.2M, RX50, etc.,
and 3.5" 720K and 1.44M. I also want to be able to copy RX50s disk to disk on
the appropriate drive type.
So I figure it'll take 4 drives (or maybe 3 drives where one is a 3.5"/5.25"
combo). All of these would be in one enclosure.
The question is, how to do this without having to unplug/plug drives every
time you want to make a configuration change? It would be nice to just be
able to throw a switch or two to re-configure. Not having to get into the
enclosure would be nice, too.
I've thought of two ways to do it, but I'm not sure they'll work, or if there
might not be a better way.
1) Plug all the drives into one control cable and switch on/off the power
to the drives to select them.
2) Plug all the drives into one control cable and select the drives by
switching a control line on the control cable.
Any comments or suggestions would be appreciated.
Thanks,
Dave
--
David C. Jenner
djenner(a)earthlink.net
Does anyone have the Windows _3.0_ SDK/DDK?
Bob
-----Original Message-----
From: Michael Holley [mailto:swtpc6800@attbi.com]
Sent: Wednesday, February 27, 2002 11:52 PM
To: classiccmp(a)classiccmp.org
Subject: Re: Windows 3.1 DDK
I have a complete July 1995 Microsoft Developer Network CR-ROM set. It has a
Windows 3.1 DDK CD. Send me an email with your address and I will mail you a
copy of the DDK CD.
Michael Holley
----- Original Message -----
From: "Cini, Richard" <RCini(a)congressfinancial.com>
To: "'ClassCompList'" <classiccmp(a)classiccmp.org>
Sent: Wednesday, February 27, 2002 11:06 AM
Subject: Windows 3.1 DDK
> Hello, all:
>
> Does anyone have the Windows 3.1 DDK (device driver deveopment kit)?
> I'm looking for it to do some spleunking of Win3.1 kernel code. I already
> have the SDK, but I need the DDK.
>
> Thanks.
>
> Rich
>
>
On Thu, 28 Feb 2002 08:48:02 -0600 (CST) Tothwolf
<tothwolf(a)concentric.net> writes:
> On Thu, 28 Feb 2002 jeff.kaneko(a)juno.com wrote:
>
> > Wow, that's amazing!! I haven't seen anything like it from JDR
> since
> > the 80's! A JDR product offering with something resembling a
> > reasonable selling price!
> >
> > Are you sure that's not a typo on their webpage!?!?
> > I think I'm going to faint . . .
>
> I donno, that seems kinda high to me... Especially considering a
> pair of ISA floppy controllers could be had for $10 ($5ea), or less.
Well, consider that it's somewhat specialized (not 'stock'), NOS,
and that the asking price is only 100% over what it's worth looks
like a milestone to me!
> JDR's "house brand" boards were nothing but re-badged major brand
> and 'cheap junk' boards. They used to peel/scrape stickers and markings
> off of boards made by companies such as Adaptec, Diamond, Promise, and
> others before taking photos for their catalog. I might still have some
of
> those old catalogs around somewhere, but I probably tossed them.
Hah! Reminds me of a reseller I used to work for. This Bozo would
re-label *everything* (including the manuals). It was embarassing.
Jeff
________________________________________________________________
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/web/.
As seen on Slashdot:
Senators propose recycling fee on new PCs:
http://zdnet.com.com/2100-1103-843109.html
A proposed bill like this one tends to cause me to worry...
I've already seen firsthand the mess that the Texas bill that was passed
for 'Data Processing Equipment' has caused.
-Toth
The Teletype and IBM manuals I posted a couple weeks ago are being sent off to
a good home. Thanks to everyone who expressed interest!
- Dan Wright
(dtwright(a)uiuc.edu)
(http://www.uiuc.edu/~dtwright)
-] ------------------------------ [-] -------------------------------- [-
``Weave a circle round him thrice, / And close your eyes with holy dread,
For he on honeydew hath fed, / and drunk the milk of Paradise.''
Samuel Taylor Coleridge, Kubla Khan
> 2) Plug all the drives into one control cable and select the drives by
> switching a control line on the control cable.
This is how I'd go, but the BIOS will only understand units 0 and 1,
you'll need a device driver for units 2 & 3.
Oh, and you'll need a *real* floppy interface cable, instead of
the butchered IBM-style floppy cable that *every* PC I've seen
has, except for the Zenith Z-150 family.
-dq
Joe,
I think I remember using a Videologic DVA-4000. It was used to overlay NTSC
video over VGA video. If I remember, you setup a specific color "block"
through the VGA, and the NTSC came through that "window." Kinda like my
understanding of Chroma-keying (sp?) Another thing it could do was overlay
the VGA with "transparent" NTSC.
We used it for demos of a ruggedized PC we were building at the time. It
could do some impressive (at the time!) stuff. I don't recall the
programming particulars, but don't remember it being that difficult.
Let me know if you want further info.
Gary
> -----Original Message-----
> From: Joe [mailto:rigdonj@cfl.rr.com]
> Sent: Thursday, February 28, 2002 8:09 AM
> To: classiccmp(a)classiccmp.org
> Subject: Re: Multiple floppies in one system?
>
>
> At 03:56 PM 2/27/02 -0800, Dave wrote:
> >Wow, thanks for all the good ideas, and there's probably
> more to come!
> >
> >I like the idea of getting a controller that will handle four drives.
> >One of my 486 boards requires an ISA controller card, and the other,
> >I think, lets you disable the onboard floppy controller, if
> necessary.
> >
> >As Russ pointed out, there still is one available at JDR.
> (I'll also
> >check the bins at RE-PC.) Is the Compaticard IV available anywhere?
>
> Yes, they turn up on e-bay occasionallly. I frequently find them in
> surplus stores. I go to one store in particular that rips
> apart PCs and
> puts all the cards out on the shelves without sorting through
> them. I've
> found several Compaticards there. The other thing that I do
> is to ALLWAYS
> look at the backs of all the PCs that show up in the scrap
> places that I
> visit and look for unusual connectors. I've found lots of
> intersting cards
> that way including a $30,000+ GPS reciever card.
>
>
> >It looks like the neatest solution, especially if I can hook
> 8" external
> >drives to it, too.
>
> I think it's the best way especially if you want to play
> with unusual
> formats. You can get the optional Uniform software that the
> manufacturer of
> Compaticard sold (sells?) and it will let you read all kinds
> of odd formats.
>
> Speaking of odd cards, a few days ago I spotted a strange
> one. It's a
> full length PC card with a long cable coming out of the back.
> The other end
> of the cable splits out into three pigtails, two have RCA
> plugs and the
> other had a BNC connector. The card was made by Video Logic
> in the UK and I
> think it was a model DVA 4000. Is anyone familar with it?
>
> Joe
>
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> Wow, that's amazing!! I haven't seen anything like it from JDR
> since the 80's! A JDR product offering with something resembling
> a reasonable selling price!
>
> Are you sure that's not a typo on their webpage!?!?
> I think I'm going to faint . . .
The beancounter founder must have finally croaked...
;)
Sorry for the intrusion folks :-)
Colin,
Tried to send a message but your mail server bounced my email. I have the
remainder of the books packaged and need your mailing address.
Reply directly to me at:
STEVEN_J_ROBERTSON(a)HOTMAIL.COM
Thanks,
SteveRob
_________________________________________________________________
Send and receive Hotmail on your mobile device: http://mobile.msn.com
In a message dated 2/25/02 12:36:36 PM Pacific Standard Time,
gkicomputers(a)yahoo.com writes:
> whether it was recycled or not is irrelevent, either
> way it would be illegal in USPS eyes and thats the
> only thing that, legally speaking anyway, is
> i
I am not sure I understand you? I use Priority mail and order boxes by the
carton.
For me to turn a NEW box inside out and use it to ship some other way would
be illegal.
If my customer who receives a priority mail package, opens it and then reuses
the box (by folding it inside out), I don't think they are breaking the law.
Most of the Priority mail boxes use a glue to self seal. You then pull a tear
strip to open the box. Technically the box is destroyed. However the small
video tape size boxes really lend themselves to reuse by turning them inside
out and taping them. I suspect this secondary use is not illegal. I call this
recycling.
Now a friend of mine bought a bunch of new USPS Priority Mail supplies in a
lot at an auction. For him to use these inside out would be illegal even
though he is not signed up with the Post Office Priority Mail.
He was actually after the 26 pallets of new blank cardboard boxes with them
which he sold on the secondary market.
Paxton
Astoria
--- Pete Turnbull <pete(a)dunnington.u-net.com> wrote:
> "iso-propyl alcohol" is the "old" name for it; "iso-propanol" is a more
> modern version of the same name;
Agreed.
> the "systematic" name (used almost everywhere *by chemists*)
> is "propan-2-ol"...
Since it's been years since I've been in a chem lab... when did this
naming convention hit the States? In 1985, I'm fairly certain we
called it isopropanol. Perhaps my education was behind the times.
> > Even "aluminum" is different, but I don't remember how different...
>
> You mean "aluminium" :-) Like sodium, potassium, uranium, ...
Platinium... err, wait... nevermind. ;-)
-ethan
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On Feb 27, 20:49, Zane H. Healy wrote:
> OK, what I see that concerns me is the fact you're using a 11/03 box.
> Unless I'm mistaken the 11/03 was only Q16, which has me wondering how
> you're even running a 11/23 CPU, which should be Q18, in it (it's
possible
> someone upgraded the backplane to be 18-bit).
An 11/03 backplane is already 18-bit. BDAL16 and BDAL17 are bussed so it
can use parity memory.
It's also easy to upgrade to 22-bit, by soldering wrirewrap wire onto the
extra 4 lines, though any 11/23 or 11/23+ will work fine (as an 18-bit
system) without doing that. I can't think of anything that will fail to
work on such a system, apart from software that needs more than 124KW of
memory, obviously. Specifically, I/O page access will work coreectly for
any properly designed device, and RT-11, RSX-11, etc will just see it as a
normal 18-bit system.
Oh, and an 11/23 would work fine on a 16-bit backplane, unless you wanted
to use parity memory. The MMU wouldn't be useful (you could take it out,
though you don't have to; an 11/23 will work fine with 28KW and no MMU
chip).
--
Pete Peter Turnbull
Network Manager
University of York
Hi.
Now that my RX01/02 driver for NetBSD and the accompanying "NetBSD
device driver writing HOWTO" is nearly finished, I am looking forward
for further challenges. I think will stay in the disk (and tape)
department and write support for DSSI. I know that this is not a trivial
task, but I will give it a serious try. So I have the usual problem:
docs.
I need docs about DSSI, the protocols that are used on it, the host
adapter chips (SII and SHAC), MSCP, SCS, ... The KA6[46789]0 CPU and
KDA50 / UDA50 programmers manuals should be a good start. So if this
docs are online somwhere on the net, please give me a link.
Thanks for your help.
--
tsch??,
Jochen
Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/
> [TOPS-20...]
>
> Well, I'd like to run a TOPS-10 instead, seeing as there are already two
> perfectly good TOPS-20 machines (Toad and XKLeTen) on the net, but TOPS-10
> does not support TCP/IP, and therefore won't run multi-user under KLH10.
SIMH can do this now with a bogus DZ11 implementation, similar to
what you were previously doing with Tim Stark's emulator...
-dq
Having what appears to be some sort of "applications processor" made
by NEC, model 3401, class 5451, as well as another box labeled "class
H6830-STD1-01-46," and not being able to obtain any information or
documentation about this equipment, I'm not quite sure what do with
them other than take them apart for parts. On the 3401, there are
three ports labeled "LS Link," four labeled "HS Link," two labeled
"System Bus" (channel A and channel B) and a diagnostics port.
If anyone has a need for these boxes, or can provide me with any
information about using them, then I'll consider not taking them
apart, as tempting as that option is, considering that: they're taking
up a fair amount of space, and have some useful ICs, wire, fans, PSUs,
LEDs, memory, etc. inside, and the one case could be modified to hold
several 5-1/4" hard drives and the PSU. I'd really like to find a way
to use this equipment in it's present assembled form, however. :-)
--
Copyright (C) 2001 R. D. Davis The difference between humans & other animals:
All Rights Reserved an unnatural belief that we're above Nature &
rdd(a)rddavis.org 410-744-4900 her other creatures, using dogma to justify such
http://www.rddavis.org beliefs and to justify much human cruelty.
On Feb 27, 10:48, Tom Leffingwell wrote:
> It does look like it wants to go back to track zero. If I manually line
> it up just right, it will power up correctly, but as soon as it wants to
> go somewhere, the problem starts over. Meanwhile, the other drive lines
> itself up just fine.
Then it's possible that the drive to the stepper motor that turns the
leadscrew is, er, screwed. It might only be one phase; if you can turn it
easily by hand when it's powered up, then it's probably not being driven at
all so look for a destroyed driver or lack of 12V (or is it 24V? ). If it
tends to settle into certain positions and won't step but does sort of
vibrate and isn't very easy to turn by hand when the power is on, it's
probably just one phase; look for a blown driver transistor (if the drive
has such) or a faulty stepper driver IC. It's also possible (though
unlikely, in my experience) that one of the coils in the motor has burnt
out. You can check that with an ohmmeter, comparing it to the working one.
--
Pete Peter Turnbull
Network Manager
University of York