Roy J. Tellason wrote:
Hopefully some of you folks might find this useful...
-----------------------------------------
Billy:
Roy, I think you've done a grand service here and I've already used some of
the data sheets. I have a book shelf in the garage full of Data Manuals
going back into the 60's that need a good home. Much too heavy to ship. I
talked to Al K. about them, but from his quietness gathered that he has a
garage full of them too. Do you live near the Bay area? Anything special
you want to continue the good work? There would be no cost of course. I
love to see good work like your and want to help if I can.
Billy
Group,
I received this from Allison - respond to her, not I.
---------------
"From my uncle's estate, we have, at least, the
monitor for the TRS-80. I'm sure as we continue to go
through his belongings, we will find the rest of the
computer as he kept everything.
We are in Houston, Texas and am trying to find someone
who is interested in owning it. (We have lots of other
miscellaneous electronic equipment from the estate,
too. My uncle saved everything!)
Please let me know if you know of anyone in our area
who is interested in a TRS-80.
Sincerely,
Allison Hardman
<allison at condongardens.com>
__________________________________________________
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----------------Original Message:
Date: Wed, 3 May 2006 00:28:55 +0200
From: "arne graff" <dsl289031 at vip.cybercity.dk>
Subject: atari printers
Looking for a small plotter I was directed to one of your sites.
Do you know anywhere I could get hold of a Tandy CGP-115 new or used?
Regards
Arne Graff
------------------Reply:
I've got one: very slightly used, boxed with PS, manual & dust cover. Also
extra rolls of paper and 3 or 4 sets of pens, although, except for 2 black ones,
they're dried out by now. Contact off-list if interested.
BTW: Anybody have any experience reviving/replacing this type of pen?
(Just stubby little ball-points, also used in several other plotters of the day).
mike
I've updated my parts pages again, and this time pretty near all of the
datasheets are online as well. They can be found at:
http://www.classiccmp.org/rtellason/parts-index.html
Hopefully some of you folks might find this useful...
--
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space, a critter that can
be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James
M Dakin
MO drives came in at least three major variations, distinguished by media:
originally up to 520MB or so with 512 tracks then 680MB and beyond with
1024 byte tracks, and here's where the first OS issues occurred when
they didn't inherently handle 1024 byte tracks-- solution: you need an
updated driver AND usually a special formatting utility to format the
disk. More recently there were multi GByte disks that were 5" or 5 1/4"
or so too (obviously with a different drive mechanism). The 3 1/2"
originals look like a thicker 3 1/2" floppy (still with rigid plastic
case). All the MO drives I've used have had a SCSI interface and have
worked very well. Another application was with the military due to
rugged design and data integrity: the MO disk had to be written with
both a laser AND magnetic head. The laser was used to spot heat the MO
material and the magnetic head wrote the bit in place. It is the reason
why they are much less susceptible to erasure or bit drop due to
magnetic field interference.
Some MO providers still have the drives available for download on the
net and through their support chains.
Hope this is of help.
Geoff
Sweet! Got back into town to discover an Exidy Sorcerer waiting for me. System, S-100 expansion, dual 8" floppy drives, monitor and software and docs. I love the Sorcerer! :)
List of stuff so far can be found at:
http://www.trailingedge.com/exidy/ExidyList.txt
-----
David
http://www.trailingedge.com
On 6/2/06, Zane H. Healy <healyzh at aracnet.com> wrote:
> My DEC PWS 433au is right at about 10 years and gets continuous use.
> It runs 24x365, and has for the last 6 years. A lot of people have
> VAXen that they been using for 10+ years (if not 20+), same with
> PDP-11's. In the DEC world 10+ years isn't so much unusual, as the
> norm. Some DEC systems have been in continuous use for 30+ years.
Hear, hear. The oldest (to me) DEC machine in my posession I got in
1982 (PDP-8/L); it
works, but I don't use it every day. I do have some stuff from the
late 1970s and
early 1980s that I have every expectation to work on those occasions when I do
fire it up (few times per year). The stuff from the early 1960s I'm
less confident about, but I'm not terribly worried about the
electronics (just the electrolytic caps).
-ethan
I was just reading through the MSJ (May 1987) and it has an interesting article
called "Evolution and History of MS-DOS" and some of it is quoted below. Does
anyone know whatever happened to Tim Patterson? I never hear his name mentioned,
and am just curious.
>From that article:
*********
January 1975: MITS introduces the $400 Altair computer; it has no keyboard, no
monitor, no disk, and no operating system.
February 1975: Paul Allen and Bill Gates develop and sell their own verion of
BASIC to MITS for the Altair:
February 1976: Paul Allen, now working for MITS, asks Bill Gates to write a
disk-based version of BASIC for the Altair. Bill Gates creates a working model
of his disk BASIC in 10 days. He designs a disk layout and file structure based
on a centralized File Directory and File Allocation Table (FAT). He also
includes a rudimentary set of file services in the disk BASIC he is developing.
1976-1978: Microsoft Disk BASIC is ported to all jmajor 8 bit personal
computers. An assembler and linker are developed for 8080 and Z80 based systems.
April 1978: Intel announces the 8086, a 16 bit processor.
January 1979: Tim Paterson of Seattle Computer Products begins work on a plug-in
8086 processor card to bring the power of the 8086 to the S-100 bus.
June 1979: Microsoft and Tim Patterson show Microsoft's BASIC running on
Paterson's 8086 card at the National Computer Conference in New York.
April 1980: Delays hold up the delivery of CP/M 86. Tim Paterson decides to
write his own "Quick and Dirty" OS, which becomes known as 86-DOS. He
incorporates the FAT structure first designed byt Bill Gates for Disk-BASIC, and
some features and techniques underlying MS-DOS.
August 1980: IBM takes its first stept owards producing the IBM PC, planning to
use readily availble, off-the-shelf 8 bit hardware. IBM visits Microsoft, asking
if Microsoft can write a ROM-based BASIC for the computer IBM is develop9ing.
Microsoft suggests that IBM consider the 16 bit architecture. IBM's "Project
Chess" goes on to become the 8088 (8086 based) IBM PC. The first working version
of 86-DOS runs on Tim Paterson's 8086 card. This is essentially the birth of
what will become known as MS-DOS.
September 1980: IBM asks Microsoft to provide COBOL, FORTRAN and PAscal for
their personal computer. Microsoft suggests to IBM that an operating system
would be necessary to develop the additional lnaguages.
October 1980: Microsoft submits a proposal to IBM that includes MS-DOS.
November 1980: The proposal is accepted by IBM. A prototype machine arrives at
Microsoft and a small DOS team begins a concentrated period of work.
February 1981: 86-DOS runs on the prototype for the first time. Over the next
half year the OS is refined and becomes MS-DOS 1.0.
August 1981:IBM introduces the IBM PC, and annoucnes three operating systems:
MS-DOS, CP/M 86, and the P System. For several months, MS-DOS is the only OS
available. It is also priced substantially lower than CP/M. ...
...
June 1982: MS-DOS, Version 1.1 is announced, providing support for double-sided,
eight sector diskettes on the IBM PC.
I think that Sun's biggest problem is still residual from the UltraSPARC II debacle- they angered management by lying aboug why the new $100k+ computer wasn't working,
and they really p***ed off sysadmins by alledging that they were incompetent. It would be a while before I'd recommend a Sun after that . . .
The new product line looks good, but a bit confusing (TWO different processor architectures sharing the same "Ultra" and "Fire" names?, Why???)
I wouldn't pooh-pooh OpenSolaris, either - if you were contemplating buying a expensive computer, wouldn't SGI's financial issues give you concern about buying a
Origin? OpenSolaris gives the stability of having potential third-party support up to and including patches. Sun still is seen as the big player, and Sun Solaris will likely maintain
an edge over OpenSolaris, while allowing Sun the option of (backporting? porting? including? whatever. . .) bits from OpenSolaris, much as Apple has done with Darwin (but OpenSolaris
will likely become more of a "serious" O.S. since it doesn't have the Mach issues)
Some of this is probably wishful thinking - I do hope that Sun and IBM are both around to provide an alternative to Itanium - but I do think that Sun is getting it's act together
Now we need more people to really learn UNIX (it is rather scary the number of "computer professionals" who don't know how to use anything except Windows and perhaps Mac).
Scott Quinn
>>>> I probably was one of the first to buy one, and it
>>>> ain't here yet.
>>> nothing yet. I wouldn't recommend sending this guy
>>> any more money until we've verified that he's shipped
>>> some product.
>> Is this the guy in Tyler, TX ?
> Yep.
Two weeks now. Surely somebody has received one by now?
John A.
Tony Duell wrote:
Thing is, the electronics of the older drives uses simpler ICs, and fewer
custom parts. I would much rather repair an ST412 (for which I have
schematics anyway) than the IDE thing I've just looked at.
-----------------------------------------------------
Billy: I've data from 3 different disk drive companies over 20 years and
100+ million failed drives, that show the same thing: PCB failures are less
than 1% of the total field return failures. The vast majority are tribology
related (heads and media). I know a few specialty companies that can
recover data from crashed drives. But I know of none that try to repair
crashes. The cost is hundreds of times greater than buying a new disk.
------------------------------------------------------
> circuitry in the surplus stores. But it's the heads and platters that = >
wear > out and ferrite heads and oxide media are gone. Occasional bits and
True. But other problems inside the HDA would be much easier to repair on an
older drive with a much larger head flying height. I think it would be
possible to make a 'clean box' to open up ST412s at home and repair them and
expect the repaired HDA to be reliable enough to use. That is not the case
with modern drives.
-------------------------------------------------------
Billy: I'm not certain what you think can be repaired in an old ST412. I
know you can't make the media or rewind the heads, so I assume you are only
talking of substituting parts from another unit. Which may be in just as
bad condition. And even if you could put a new platter in, how do you do
servo track writing?
Disk drives are not designed for decades of life. They're designed to last
until the next new tech is available - cheaper and faster. Their design,
whatever era, is at the bleeding edge of available technology at time of
design. Technology pushes with each generation. Your ST412 was designed
for a range of 40-60K hours MTBF. Current products are at 1.8M hours. A
lot of that improvement comes from getting rid of the individual components,
solder joints, power consumption electronics, connectors, etc. So you can
find the odd ST412 that you recover. But is it fun? Is it worth the time
you spend vs buying a ?20 IDE drive and having time to use your system?
I know we share a love of understandable electronics and hands on computing.
And especially building our own design out of logic. But repairing old
disks because you do not want to learn new technology seems to me to be
counter-productive.
I must admit that I truly don't understand your logic in only using devices
that you can troubleshoot down to the electronic component. (It reminds me
of a few classic stories of Victorian handymen who shared that philosophy
dealing with the first electric lamps .) It seems to me that you are
severely limiting your fun by ignoring all the new technology that is out
there.
The world has moved on. Today, we often have to work with conponents that we
can't repair - such as a processor chip with 100 million transistors.
Perhaps this is where we differ. You want to work only on products that you
understand each component and can fix. I want to play with it all - even if
I can't get into all the minute details such as firmware, ASICs, or FPGAs.
Maybe I can't repair a Pentium chip. But I can make it sit up and do
tricks. And by doing so, improve my marketable skills. I was hired for my
current job at age 63 - primarily because of my knowledge of the latest
technology; not the 35+ years experience on old drives and dinosaur systems.
Billy
I have a bunch of 4-inch tall transformers with ten terminals each.
Looking at the front, I see terminals 1 and 2 on the left. On the right
are 3, 4, and 5. On this side I see:
MORROW'S
DESIGN, inc
MD2FD8
On the other side are terminals 6 through 10 arranged the same way as
before. On this side I see:
TSC
529
I presume this transformer takes 120 volts and steps it down to 16, 8, and
5 volts. But what are the other terminals for? One side for 120V input
and the other for 240V? If you can identify it for me and want one, I'll
send it to you for postage.
A picture is at http://www.cs.csubak.edu/~dgriffi/transformer_morrow.jpg
--
David Griffith
dgriffi at cs.csubak.edu
A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?
At 06:22 PM 6/1/2006, Billy Pettit wrote:
>I must admit that I truly don't understand your logic in only using devices
>that you can troubleshoot down to the electronic component. (It reminds me
>of a few classic stories of Victorian handymen who shared that philosophy
>dealing with the first electric lamps .) It seems to me that you are
>severely limiting your fun by ignoring all the new technology that is out
>there.
Can someone please write an entry for the FAQ under the title "Tony Duell". :-)
- John
Hey everyone
I've gotlLots of old apple stuff for trade or sale. I'll consider all
offers. I'd love to trade for other old computers IMSAI, SOL, etc Case
modders particularly welcome. I just have way too much tech and need to
get some of it outta the house.
http://lostbrooklyn.org/apple/
-Matt
spliffrd at inch.comwww.matthewmelnick.com
All:
Ok, I think I have all the pieces together that I need to get a
new 5.25" floppy system up and running on my IMSAI: a Versafloppy
(1771-based) controller and a suitable 5.25" drive and related cabling. What
I need now is a CP/M disk image for the Versafloppy.
Does anyone have a bootable disk image suitable for this board
and a Z80 processor?
Thanks again!
Rich
Rich Cini
Collector of classic computers
Lead engineer, Altair32 Emulator
Web site: <http://highgate.comm.sfu.ca/~rcini/classiccmp/>
http://highgate.comm.sfu.ca/~rcini/classiccmp/
Web site: http://www.altair32.com/
/***************************************************/
Does anyone know of a supplier of 6-32 pancake head machine screws?
I didn't even know this head style existed until someone told be about
it this morning. It is the flattest style of pan head type screws.
Google turns up nothing.
> As I said... imagine a *nail* with a slot cut in it...
exactly..
> Maybe if you let us know what you need to use them with
They are the drive mounting screws used to attach drives to Xserve
drive modules (sometimes called Apple ADMs)
http://img64.imageshack.us/img64/4969/pic88q4in.jpg
This is a really brain-dead design. The dimples require the use of
pancake head screws.
Actually.. it turned out I found some flat heads this afternoon at
Halted that work, and don't extend much beyond the dimple that I've
pushed into service.
This is all for a dual 1.6TB array that I'm putting together for
CHM as the bits repository. (to stay somewhat on topic, though I
thought this was weird enough that it was appropriate for classiccmp)
I just received the first part of a shipment which
includes an IBM 5175 monitor. The PGA card and
possibly the AT box it resides in is on it's way. I
plugged the monitor into my Vermont Microsystems card
(essentially a PGA clone), and it worked like a charm.
Have yet to plug the monitor into a VGA card and
investigate that noise (the PGA card possibly has some
funky syncing scheme, like combined sync or
sync-on-green). But regardless, I'm desirous of docs
for these babies, technical or otherwise. Programming
infor-mation is of the utmost importance. Can anyone
help?
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
> That raises an interesting point, actually. If the normal repair
> method
> when the machine was in active use was to replace a module (e.g.
> board-swap), is it better (historically) to keep the machine as
> original
> as possible (by replacing just one component on the board), or to keep
> the original repair methods? I know what I'm going to do, though.
An interesting question.
If you have a module of the same age, I don't see any problem with a
module swap.
That's what I do, but my modules are probably logically rather
smaller. One printed
circuit board holds one 3 input not-J not-K flip-flop. Another type
has four And gates.
When I eventually run low on spare modules I will have to start
component level
repair, hopefully being able to make 3 good modules out of 4 bad ones.
You are probably wondering what computer I have, it is made of
discrete Germanium
transistors and diodes, has 2000 words of 48 bit core store, drums of
12000 words,
half inch ten track magnetic tape at 300 bit per inch, card reader,
card punch, line
printer, paper tape reader, and a slow, more modern (BRPE) paper tape
punch.
It is an I.C.T. 1301 mainframe, first installed at the University of
London in 1962 to
handle administration, undergraduate matriculation and statistical
analysis of
exam results and allocating candidates their grades and printing pass
slips.
It weighs many tons and consumes 13kVA of three phase electricity when
everything is running at the same time.
In service it was normal to swap a complete PCB and send it back to
base for repair.
These would be repaired to original specification, going as far as
going though
quality assurance where they would test each soldered joint and apply
a dob of
red lacquer to each joint to show it had passed inspection.
As apparently nobody else wanted it, and I was
picking up some other bits at the time,[*] I was
given a big box (about 4 cubic foot) of C64
software last week. Mostly cassette based stuff,
and most with boxes, books, etc., although I
haven't looked through it properly - I don't have
a C64, or anything commodore, to use them
with! I was told there are some rare gems in there...
Anyway, it's all free to anybody who can collect
(Salford/Manchester, UK) //this week or weekend//
or is willing to pay for the postage plus a
couple of quid for my time finding a better box
and re-packing it. (Postage would be about ?8
within UK if I remember my local carrier prices correctly.)
Rob.
direct email - robert.at.irrelevant-dot-com.
[*] This came from the local freecycle list and
as such you should feel honor bound not to take
it simply to sell it for profit.
Speaking of printer ribbons, I've got a "Data Processing Ribbon for IBM
Belt Printers" sitting here unopened. Free to anyone who wants to pay
shipping from Ontario, Canada. Shouldn't be much in a padded
envelope. Box states it replaces IBM NO. 1136634, including the following
machines: 3288, 3618, 3717, 3775, 3784, 3791 (Features 4710 & 4711), 3792
(Features 4712 & 4713), 5024 Models 1 & 3, 5320 (B Models).
Nylon, with about a 13mm ribbon width.
T.H.x.
Devon
>Date: Wed, 31 May 2006 18:39:17 +0200
>From: "Henk Stegeman" <h.j.stegeman at hccnet.nl>
>Subject: Looking for 0.75" width endless printer ribbon
>To: <cctalk at classiccmp.org>
>Message-ID: <LEEAKOBMDOCBLGHAMGACEEKCCCAA.h.j.stegeman at hccnet.nl>
>Content-Type: text/plain; charset="iso-8859-1"
>
>Hi,
>
>I am searching for an endless printer ribbon with
>a width size of 0.75" (19mm) to replace an worn-out
>IBM ribbon that is not available anymore.
>
>Anyone any idea on a good subsitute ?
>
>My idea is to remove the ribbon from the subsitute
>and replace the worn-out one in the IBM cartridge.
>
>Thanks for your replies.
>
>Henk
On May 30 2006, 1:39, Adrian Graham wrote:
> I met the previous owner of this machine earlier tonight and I'm now
the
> owner of the best preserved example I've seen - no discolouration or
dust
> and some of the best internal wiring mods I've come across in a home
> computer, almost works of art.
Nice! In case you didn't know, I'm another long-time Sorcerer owner.
It was my first machine, although the one I have now is not the one I
originally owned.
> Info is hopefully buried in the ESCape
> magazines but if anyone has heard of them please let me know :)
No help with the boards, but do you have many copies of ESCape? I was
a subscriber from the beginning, but no longer have any. I'd like to
get copies of some, especially the ones with Ray Bannon's games, and
the one that describes the Toolkit (TLKIT). I have a legitimate copy
of TLKIT but not the list of commands.
I'm also looking for (copies of) the manuals for the WP Pac and DevPac,
which I once owned, and if possible a dump of the DevPac ROMs.
--
Pete Peter Turnbull
Network Manager
University of York
On May 31 2006, 7:48, David Williams wrote:
> I have the Word Pac and DevPac manuals that I'll be putting
> up on the Exidy section of my site. It will probably be a
> little over a month before I can get to it as I'm currently
> traveling a lot for work.
It'll probably more than a month before I get around to doing anything
with it anyway!
--
Pete Peter Turnbull
Network Manager
University of York
Navigation and Bombing System NBS
(H2S Mk 9A and Navigation, Bombing and Computer NBC)
used in V-bombers Victor, Vulcan and Valiant.
http://tatjavanvark.nl/tvve/dduck0.html
--
Liam Proven ? Blog, homepage &c: http://lproven.livejournal.com/profile
Email: lproven at cix.co.uk ? GMail/Google Talk/Orkut: lproven at gmail.com
AOL/AIM/iChat: liamproven at aol.com ? MSN/Messenger: lproven at hotmail.com
Yahoo: liamproven at yahoo.co.uk ? Skype: liamproven ? ICQ: 73187508
> I have over a thousand 8" disks here from all kinds of system
The Computer History Museum has roughly 10,000 floppies, mostly 5 1/4" that
I need to deal with as Software Curator, with more coming in every week.
The plan is to preserve them as images, with interpretation and verification
of contents to follow.
> Like it or not, I'm using ImageDisk as the standard to store and access
> file content.
That should be fine for most soft-sectored formats. At this point it's
more important to get the bits into some form that preservation through
replication can start. It would be a good thing to start fingerprinting
files with MD5 checksums and building a data base of known good images.
Sadly, it appears through lack of response that Don Maslin's archive is
going to have to be redone.
I have several hundred disc images done as dmks that will have to be
converted at some point.
You'll also need to worry about virus checking, and verifing that the disc
actually contains what you think it does, too.
> I'm insanely jealous of you. I'm semi-retired, and would give my left arm
> for such a job :)
We're looking for volunteers :-)
The other thing I have to do is get some better software web presence in
place (to go along with the stuff at community.computerhistory.org/scc )
to put more of what we are doing out for people, and make it easier to get
help from the community.
Muesum pay ain't great, btw..
> -----Original Message-----
> On Behalf Of Zane H. Healy
> Sent: Tuesday, May 30, 2006 6:10 PM
>
>
>
> At the same time, I'm looking into a setup such that the
> general public can
> go into the "Historical Resource Center" and transfer their
> old media to
> modern media. I invision this including 5 1/4" floppies, and 3 1/2"
> floppies at a minimum. (I figure at least Commodore, Apple
> and PC). While
> this can be done with a combination of old and new systems,
> it might be better
> to do it with a modern PC and a Catweasel card.
I am currently working on just such a beast. I have had it running using 3.5, 5.25, and 8" media, 3 floppy controllers and 2 catweasels. Base unit was a Pentium 233MMX SBC and a 14 slot PICMG backplane running Debian Linux and DOS 6.22.
Now, I'm trying to clean it up, upgrade the CPU and streamline the process. I have over a thousand 8" disks here from all kinds of systems that I'd like to inventory and make the contents available where possible.
I'm even trying to parse the file systems so the user can extract files from certain formats. I'm starting with the Tandy/TRS-80 Model II line file systems (and there were a few) such as TRSDOSII, Xenix (file system and tar), TRSDOS16, LS-DOS and several CP/M formats.
Like it or not, I'm using ImageDisk as the standard to store and access file content. It is much easier to parse than some of the other disk formats out there, and is quite well defined.
Kelly
Stuff I got today, some of it will be available for trade.
Data General blue rack
Eclipse S/120 cpu
3rd party paper tape reader
DG qfloppy 8" floppy drive
DG 6100 disk drive
DG 5821NT blue terminal
4 keyboards for 5821 terminal
DG terminal printer 1
Pictures are at www.ezwind.net/jwest/dgporn
Unfortunately the 5821 terminal is suffering from extreme screenrot. Most of
the stuff is fairly dirty on the outside but quite clean on the inside. I
also got the following DG manuals in case anyone is in need of copies:
System manual (log of config/mods, local wiring diagrams, some schematics,
PM's & upgrades, etc.)
Eclipse S/120 Diagnostic & Maintenance manual
Eclipse S/120 Computer System Hardware Reference
Eclipse S/120 Assembly Language Programmer's Reference
Programmers Reference Series, mod 6097/6098/6099/6100/6103 DG disc
subsystems
Dasher TP1 Terminal/Printer User Manual
Dasher TP1 Terminal/Printer Operator's Manual
Technical Manual (6040-6043) Dasher TP1
Technical Manual (6040-6043) Dasher TP1 Field Service Maintenance Procedures
In addition, for some odd reason I got about 100 IBM sys/32/36 8" floppies
in two IBM logo cases. Some of them are still in the shrinkwrap. Then about
9 or 10 of the normal size 8" floppy disk boxes, each full of IBM disks.
Some are IBM microcode, some are IBM programs & utilities, most are
userdata.
Also got the following IBM manuals:
IBM system/32 operator training book (includes sys/32 introduction, student
data disk, and two cassette tapes)
IBM system/36 system reference
Sys/36 system messages, vol1
Sys/36 system messages, vol2
Sys/36 RPG messages
Sys/36 Utilities messages, vol1
Sys/36 Utilities messages, vol2
All the ibm diskettes and ibm manuals are available immediately. I will keep
most of the diskette cases.
The DG stuff I'll keep till I do my DG refurb, then some of it will become
available, likely the S/120 cpu.
Jay West
> it would be nice to offer the option to copy to a
> disk image as well
> they can access the files under an emulator.
> I'm guessing that's the only way to access some of the data.
You should just image the disc, assuming you only have one shot
at reading the data, and mess with interpreting it as a second
step.
Running an emulator with the necessary app, and screen scraping
may be necessary to recover content in some cases.
--
I should also mention that part of my charter is to build a library
of media and file formats (I need it to interpret the stuff in the
CHM archives) and to start putting together emulator suites for data
recovery and for use in Museum online and physical exhibits.
Anybody know what this is? I found three boxs of new 5 1/4" disks for one
today. I picked them up becuase they're 96TPI DS DD (aka DS QD) and I can
use them in my SB-180 puters and Nicolet DSO. I'm just wondeering about
the computer that they're supposed to go with.
Joe
I have two of these:
http://sunsolve.sun.com/handbook_pub/Systems/SSA_219_7Slot/SSA_219_7Slot.ht…
Each has a pair of PSU's in it. I assume for redundancy.
However, the PSU's in one unit are strappable 110/220VAC
while those in the other unit are 220VAC. <frown>
If the PSU's are just redundant and aren't actively load
sharing, then I *should* be able to swap one 110/220VAC
for a 220VAC and run each array off a single supply
(taking care to hack the sense signal for the second
supply so the array doesn't continually report a supply
failure).
Am I missing anything here? Granted, the two supplies
possibly *do* share the load as a side-effect in normal
operation. But, I assume the intent was for a single PSU
to be capable of powering the entire device in the event of
a failure in the "other" PSU?
Thanks!
--don
Hi all,
I have connected the Kennedy 9100 open-reel tape drive to my 11/84.
The interface board is the TC131. It sits in a UNIBUS slot, and the 3
cables are wired to the tape drive. The NPR switch is set for that slot.
I can mount a tape and after pressing "LOAD", the tape is moved to
load point, after which I can by pushing a button set the drive on-line.
So far, so good.
When I boot RT11, I see (with .show dev) that MT at 172520 is installed
however, MS at 172522 is installed too!
Using RSX11 (show aco) it lists: MTA - CSR 172522.
That seems like a conflict to me: MTA (172522) and MT (172520), where
at 172522 would be MS ...?
As this is my first actual use of tapes, this is my first puzzle.
Next: suppose I mount any tape (contents unknown and irrelevant), which
commands could I execute?
I tried the following (excuse my stupidities) under RT-11:
.dir ms1: --> returns: ?MON-F-Dir I/O err - 011020
.init ms1: --> returns: ?MON-F-Dir I/O err - 014740
is this meaningfull to somebody? Should these commands execute correctly?
thanks!
- Henk.
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Thank you for your cooperation.
I recently picked up an 11/73 [M8190 / KDJ11-B in a BA23] and when I
finally got around to powering it up today it was failing test 61 Line
Clock during power up.
I found some info on the H7864 power supply in a uVax doc which says
that the BEVENT L signal from the power supply is enabled by the LTC
swtich on the control panel PC board.
I couldn't find any docs with details on the 11/73 control panel PC
board. I can see a three header pin jumper, which has two of the pins
jumpered together, and a dual rocker switch. Does anyone have docs
for what these jumpers / switches do?
Through trial and error I found that flipping the first rocker switch
made the test 61 Line Clock failure go away, but for future reference
I'd still like to know exactly what the switches and jumper are
supposed to do.
I too, am looking for info as to how to use one of
these.
Did you ever find a manual?
(ELAN E9C)
Any help would be appreciated.
Marion
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Hello list members,
I've got an mid-80s SGI IRIS in my collection, an IRIS 3130 in Control
Data skins. What I'm looking for are boot or installation tapes that
allow me to rebuild a working OS installation on one of the more or
less compatible ESDI drives I've got.
If someone can help me in this task, that would be greatly
appreciated. When I started out with SGIs I almost didn't expect to
ever get my hands on an IRIS 4D... a *real* IRIS was beyond all
expectations.
I've got some kind of inventory and dark pictures of the box online:
http://sgistuff.g-lenerz.de/collection/1500.php
For some better pictures have a look at Kayas "obsolete hardware"
pages:
http://hardware.majix.org/computers/sgi.iris/iris3130.shtml#pictures
Both IRISes are actually only one machine. On a related note it would
also be nice to hear from other IRIS owners in Europe. So far I know
of NO OTHER rescued IRIS around here which is somewhat sad, if you ask
me.
--
Best regards,
Gerhard mailto:mail at g-lenerz.de
Old SGI Stuff http://sgistuff.g-lenerz.de/
>>I was told by two libaries that most of the collection
>>would be thrown out durring the sorting and the rest would most
>>likely go in a year or two.
true of circulating libraries. These have limited space. While most librarians would like to be able to keep
everything, you do that at the expense of patron's ease of use and "relevancy" of the collection. If people walk into a
library and are confronted by scores of books that you are not at all interested in, they tend to give up and leave.
What you want is an archival or academic library. The maintenance of a large collection is integral to the operation of
these libraries, and they are unlikely to wantonly cull books.
All libraries have a focus. If you disregard the focus it is unlikely that they will be very interested in your collection.
OTOH librarians are "information professionals" and recognize the value of information. Ask (a MLS librarian)
and they will probably direct you somewhere where your collection will be used (provided they aren't rushing
around - library directors are finding out that nondegreed paraprofessionals are cheaper, leaving more work for the MLSes)
>And not only that, but in many small communities in the USA there
>are movements afoot to merge the public library (as run by a city)
>and the school district's library.
Key word is city. Larger county and multi-county systems are doing O.K. Not that long ago, Washington had a proposition to
eliminate a library district (to "reduce taxes") go down in flames.
>The sad fact is that in most places,
>where they are funded by the local government, they are only open
>now because it would be politically embarrasing not to have them,
And you discribe the reason for the existance of most government programs of any value.
IRIS x000 series seem to have problems with those junky encapsulated paper caps that like to die.
Short answer on how to get the PSU out: take all the skins off- through the top undo the wire connectors, the left-side has the bolts securing the PSU holding
plate to the chassis, the right-side has an access port.
The caps can be replaced with Mylar units fairly easily.
my guess is laying it on its rear would be the best
bet. If available cardboard boxes on the flat provide
good insulation from shock.
--- cctech-bounces at classiccmp.org
<healyzh at aracnet.com> wrote:
> Quick question, is it safe to lay an arcade cabinet
on its side to
> transport it? I've told the people wanting to know
that it needs to
> be transported standing up.
>
> Zane
>
>
> --
> | Zane H. Healy | UNIX Systems
Administrator |
> | healyzh at aracnet.com (primary) | OpenVMS
Enthusiast |
> | MONK::HEALYZH (DECnet) | Classic
Computer Collector |
>
+----------------------------------+----------------------------+
> | Empire of the Petal Throne and Traveller Role
Playing, |
> | PDP-10 Emulation and Zane's Computer
Museum. |
> | http://www.aracnet.com/~healyzh/
|
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Don
> I'm still missing the RS11 (23-762A9) and CR11 (23-763A9) proms [ but I
> doubt very much anyone has either of these devices to boot from ] and
I'm very interested in the CR11 PROMs if you have or can find them
anywhere. I just submitted a CR/CD simulator to the latest release of
SIMH. I've tested it most ways but I have neither the boot PROMs nor
the XXDP test deck. [I do have some other test deck images, though.]
Thanks,
John
On 5/29/06, Zane H. Healy <healyzh at aracnet.com> wrote:
> Quick question, is it safe to lay an arcade cabinet on its side to
> transport it? I've told the people wanting to know that it needs to
> be transported standing up.
>
> Zane
>
If you were going to ship it yourself this looks like a good reference
on how to crate an arcade cabinet. You'd probably have to pay someone
else a lot for their time to get them to do this for you:
http://www.mikesarcade.com/arcade/crating.html
(This website also lists various interesting parts for sale, such as
N82S126 PROMs, which I think is the correct part for HP-21MX boot
PROMs, for about half of the Jameco price.)
Quick question, is it safe to lay an arcade cabinet on its side to
transport it? I've told the people wanting to know that it needs to
be transported standing up.
Zane
--
| Zane H. Healy | UNIX Systems Administrator |
| healyzh at aracnet.com (primary) | OpenVMS Enthusiast |
| MONK::HEALYZH (DECnet) | Classic Computer Collector |
+----------------------------------+----------------------------+
| Empire of the Petal Throne and Traveller Role Playing, |
| PDP-10 Emulation and Zane's Computer Museum. |
| http://www.aracnet.com/~healyzh/ |
> Quick question, is it safe to lay an arcade cabinet on its side to
> transport it? I've told the people wanting to know that it needs to
> be transported standing up.
Standing up is best. If it must be laid flat it's best to remove or
properly secure things like coin boxes and tilt switches.
Power supplies are usually heavy and mounted in the base of the cabinet,
these can break lose if there is significant sideways shock.
Lee.
Henk wrote:
The disk drive has a fixed disk and a removable
disk, much like the RL02 :-). I am told the Nova 3 has memory mngt
installed, it has way more than 64 kb memory. On the disks is RTOS
(?) and, as I am told, a COBOL compiler.
- Henk, PA8PDP
I'm curious about the disk. MPI was selling to DG in this time frame. This
might be one of the many variations of the CDD or the Hawk. Can you look at
the label on it without too much trouble? Or send a picture of the innards?
Billy
isnt it HDV - High Differential Voltage. Sorry to be a
nit-picker. And how exactly does one pick a nit?
--- cctech-bounces at classiccmp.org
<healyzh at aracnet.com> wrote:
> At 4:36 PM -0700 5/27/06, Don Y wrote:
> >I'm looking for two or three HVD wide SCSI SBUS
cards
> >to connect some storage arrays to an SS20. Does
anyone
> >have any that they would care to part with?
>
> Depending on what OS you intend to use, you'll want
to watch out for
> which cards you get. I know most of the ones we
used at work
> wouldn't work on newer than Solaris 2.6.
>
> Zane
>
>
> --
> | Zane H. Healy | UNIX Systems
Administrator |
> | healyzh at aracnet.com (primary) | OpenVMS
Enthusiast |
> | MONK::HEALYZH (DECnet) | Classic
Computer Collector |
>
+----------------------------------+----------------------------+
> | Empire of the Petal Throne and Traveller Role
Playing, |
> | PDP-10 Emulation and Zane's Computer
Museum. |
> | http://www.aracnet.com/~healyzh/
|
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> I've still got a few big Halon-charged units whose gauges say they're
> fine, but I know that Halon's a no-no because it eats a hole in the
> sky.
For the stationary room-flooding fire extinguisher installations, they now have other gases/mixtures such as Argon, Novec 1230, Inergen or Argonite. I don't know if these are also used in hand-held fire extinguishers.
--
Arno Kletzander
Stud. Hilfskraft Informatik Sammlung Erlangen
www.iser.uni-erlangen.de
Bis zu 70% Ihrer Onlinekosten sparen: GMX SmartSurfer!
Kostenlos downloaden: http://www.gmx.net/de/go/smartsurfer
On 5/29/06, Teo Zenios <teoz at neo.rr.com> wrote:
> Hey I have 2 Planar Cleanscreen 486 also (one is dualscan and I screwed the
> VGA up, the other is TFT). Do you have the external floppy drive you that
> thing?
Yes and no... I tore my unit apart and spent an afternoon with a DVM
and a pad of paper and reverse-engineered the DB25 external floppy
connector. I rigged up a simple, non-robust
25-pin-ribbon-cable-to-34-pin-floppy-connector harness and pulled a
+5V-only (no +12V required) Matsushita floppy out of the junk bin and
got it going that way.
I do not have a packaged floppy for the unit. I also do not have a
DB-44HD (3 rows of pins in a DB shell) external CD-ROM cable - wish I
did.
> I never did find any 8MB SIMMs for those units, the other types I installed
> did not work.
At the moment, I only have the RAM that came with each of my boards
(in the Planar housing and in the keyboard bases) - I haven't had
anything, really, to attempt to upgrade any of them with.
o man thats cold
--- cctech-bounces at classiccmp.org <cisin at xenosoft.com>
wrote:
> > >> nit-picker. And how exactly does one pick a
nit?
> > > Nits are lice eggs. A very fine tooth comb will
do
> On Mon, 29 May 2006, Jules Richardson wrote:
> > a fine tool for combing your teeth? :-)
>
> actually, most flea and nit combs look exactly like
the comb like tool
> that Intel provides for removing Pentium. But the
Intel pins are larger
> than a normal flea or nit. I showed one to a dog
groomer; she said that
> it was "exactly the same, but this 'Intel' outfit
must be dealing with
> a lot of BIG bugs."
>
>
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Zane H. Healy wrote:
I also see that SATA-Firewire enclosures are available, I'll probably pick
one of those up one of these days, as going forward, SATA looks to be the
better choice.
----------------------------------
Better or not, most OEMs are driving hard to eliminate IDE. SATA gives a
reduction in cable costs, connector costs, test fixtures, etc. This can be
a big saving on a large array. Plus less physical cable space needed, and a
small but significant power savings in drivers. Finally, it gets rid of
some of the skew problems for parallel transfers as the speed ramped up. ATA
was getting so bad that cable length was only 8 inches at the highest
transfer speed.
Here at WD, many of our new generation products will be offered in SATA
only.
Whether USB is better/worse than Firewire - I tend to avoid religious
arguments. And interfaces are not static anyway. The portable device
market has lead to new generations of interfaces being created. CF+ and
CF-II are widely used. And in the background being prepped for the future,
CE-ATA, a simplied ATA (only 8 commands). And it has variations using MMC
as a physical layer, and new layers including 1, 4 and 8 bit serial
interfaces. Ain't life grand?
Billy
Thanks to someone on this list (sorry I can't remember who it was) who
enlightened me that Beehive OEM'ed their terminal to Cromemco, I was
finally able to get a Beehive terminal into my collection.
Its a Cromemco 3101 terminal in excellent cosmetic condition and
amazingly enough for a Beehive design, it still works. Because of the
cosmetic condition and the Cromemco labelling, I had to pay a premium
for it on ebay, but considering that I've yet to find anyone with a
working Beehive terminal in their collection I still consider myself
lucky in being able to find one.
If it weren't for this list, I would've remained ignorant of the
Beehive connection on this terminal and probably would have passed it
by.
--
"The Direct3D Graphics Pipeline"-- code samples, sample chapter, FAQ:
<http://www.xmission.com/~legalize/book/>
Pilgrimage: Utah's annual demoparty
<http://pilgrimage.scene.org>
Hello,
I might be a little late with the answer but that tape cartridge is used to program the IBM Magnetic Tape Selectric Composer "MTSC" announced in 1967. This was a cold type printing machine which was quite advanced for it's time. I worked for IBM and serviced these machines.
Its nice to talk about the old days so let me know if there are any more questions, as long as I can remember the right answers.
Richard Silacci
http://images.search.yahoo.com/search/images?p=ibm+mtsc&ei=UTF-8&fr=FP-tab-…
nah not more then I needed to know whatsoever. But
excuse me while I mop the rest of my lunch off the
floor...but yet the implications of the expression
seem negative. Now...I wouldnt know firsthand, but if
you were looking to get rid of lice, you would think
it would be expedient to get rid of every last one.
Hence a little nit-picking wouldnt necessarily be a
bad thing. One would think. But Im sure we can all
agree the undertaking would be a pretty lousy job LOL
LOL LOL LOL! O man. O my God...
--- cctech-bounces at classiccmp.org <cisin at xenosoft.com>
wrote:
> On Sat, 27 May 2006, Chris M wrote:
> > Sorry to be a
> > nit-picker. And how exactly does one pick a nit?
>
> Nits are lice eggs. A very fine tooth comb will do
(looks like, but is
> much finer tooth than the tool that intel gives away
to remove
> processors). When dogs start rapidly, even
frantically, diting at a spot
> of their fur, they may be nit-picking fleas.
>
> If that isn't more than you wanted to know about it,
. . .
>
>
>
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A good chunk of my collection of documentation will be going to a
"Historical Resource Center" (aka Library) that is being built in the area.
There is also a good chance that at least some of the hardware will
eventually go there as well. I'm currently planning on starting to clear
out some of the documentation starting tomorrow, as I desperatly need the
storage space. As they don't have a building yet, it will be moving from my
storage, to thier storage.
Does anyone have any advice as to what kind of stuff should and shouldn't be
in a "Computer History" section?
Zane
neither of you did. I had thought the correct
terminology was HDV. Could swear I had seen references
to that effect. My goof.
--- cctech-bounces at classiccmp.org
<healyzh at aracnet.com> wrote:
> You've got me confused, where do either I or the
original poster say HDV?
>
> HVD is High Voltage Differential SCSI, an "archaic"
form of SCSI that
> allows for greater cable lengths than standard SCSI.
I just retired
> a system where the HVD Jukebox sat about 50 feet
away from the Sun
> Ultra 2's it was connected to.
>
> Zane
>
> >isnt it HDV - High Differential Voltage. Sorry to
be a
> >nit-picker. And how exactly does one pick a nit?
> >--- cctech-bounces at classiccmp.org
> ><healyzh at aracnet.com> wrote:
> >> At 4:36 PM -0700 5/27/06, Don Y wrote:
> >> >I'm looking for two or three HVD wide SCSI SBUS
> >cards
> >> >to connect some storage arrays to an SS20.
Does
> >anyone
> >> >have any that they would care to part with?
> >>
> >> Depending on what OS you intend to use, you'll
want
> >to watch out for
> >> which cards you get. I know most of the ones we
> >used at work
> >> wouldn't work on newer than Solaris 2.6.
> >>
> >> Zane
> >>
> >>
> >> --
> >> | Zane H. Healy | UNIX
Systems
> >Administrator |
> >> | healyzh at aracnet.com (primary) | OpenVMS
> >Enthusiast |
> >> | MONK::HEALYZH (DECnet) | Classic
> >Computer Collector |
> >>
>
>+----------------------------------+----------------------------+
> >> | Empire of the Petal Throne and Traveller
Role
> >Playing, |
> >> | PDP-10 Emulation and Zane's Computer
> >Museum. |
> >> |
http://www.aracnet.com/~healyzh/
> > |
> >
> >
> >__________________________________________________
> >Do You Yahoo!?
> >Tired of spam? Yahoo! Mail has the best spam
protection around
> >http://mail.yahoo.com
>
>
> --
> | Zane H. Healy | UNIX Systems
Administrator |
> | healyzh at aracnet.com (primary) | OpenVMS
Enthusiast |
> | MONK::HEALYZH (DECnet) | Classic
Computer Collector |
>
+----------------------------------+----------------------------+
> | Empire of the Petal Throne and Traveller Role
Playing, |
> | PDP-10 Emulation and Zane's Computer
Museum. |
> | http://www.aracnet.com/~healyzh/
|
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The "25 worst" list made me remember the Pereos tape drive--backed up about
1 GB (compressed) onto tiny postage-stamp sized tapes.
Here's one cheap on e-Pay:
http://tinyurl.com/pczbk
I first saw one of these things in 1994, when I was contacted by the
company to include support for the thing in one of our forensics products.
After 2 weeks of struggling to get it working so that I could actually read
tapes that were written by it at least some of the time, I sent the sample
unit back with a polite refusal.
For those collecting oddball vintage media, this definitely fits the bill.
One couldn't go to, say, Fry's and buy tapes for it either--you had to call
an 800 number and wait for Fedex to deliver them.
I think Datasonix sold these units up until about 1998.
Cheers,
Chuck
All:
Does anyone know the specs on the resistor terminator used on
the Tandon TM100 floppy drives? It's a 16-pin device but the Tandon manual
doesn't specify as far as I can see the value and configuration of the
terminator pack. I think it's 150 ohms but I don't know for sure.
Thanks!
Rich
Rich Cini
Collector of classic computers
Lead engineer, Altair32 Emulator
Web site: <http://highgate.comm.sfu.ca/~rcini/classiccmp/>
http://highgate.comm.sfu.ca/~rcini/classiccmp/http://www.altair32.com/
/***************************************************/
Folks,
After many years waiting it seems a Sorceror is about to drop into my car
in a couple of days time. It's coming with the S100 bus expansion, twin
floppies, monitor (not the standard and heavy Exidy monitor) and 2 boxes
of cassettes and disks. Bonus: it works.
Now, aside from what I've read in the Exidy adverts I've got and stuff
gleaned from the 2 Sorcerors I've had my paws on I don't really know that
much about the machine itself other than it's a 2-3mhz Z80 job from about
1978. I know Exidy as an arcade machine manufacturer in the 70s and I know
they went bust in the early 80s but that's about it. Used to love playing
Bandido and Crash! in a seaside arcade in 1980 or so :)
Anyone care to contribute things to the Exidy page I'm about to add to my
museum?
TIA!
--
adrian/witchy
Binary Dinosaurs creator/curator
www.binarydinosaurs.co.uk - the UKs biggest home computer collection?
Well, I was expecting to get a Heathkit H11 today, but instead got handed
something else.
1) A mint condition Heathkit H27 (dual 8" floppy drive for H11). Wonder if
it's usable on anything else?
2) An odd Xerox box with two pieces:
A) There's a keyboard labled G25-028409. It has these tilt-up legs of a
style I've never seen before (they turn and come down from the side like
landing gear). The cable coming off the keyboard (keyboard end is hardwired)
has a DB25 on it. There is also a DB15 port on the back of the keyboard with
little lock posts like you see on an AUI port. The keyboard is missing what
I assume to be the ESC key.
B) There's the main "unit" labled product Code U07, and U07-015414. This
white cube has a black 8" floppy drive in the front. On the back is a
hardwired cable that ends in a DB37, and also a DB37 port on the back. I get
the feeling this box is JUST a floppy drive, not a system. There is a floppy
disk in the drive labled "Xerox 8000, applications #5, Master Disk, part
130S01031, Rev OS4.2, code 2Q84, CS#0714". Whatever the heck that means!
Any one in the know about Xerox stuff like this care to expand on what I
have?
Thanks!
Jay West
The titles thus far unclaimed -- along with a few additions.
I'd like to get the "spoken for" books weighed and out of
here RSN so anything not claimed from *this* batch goes
in the recycling bin in a couple of days...
Texas Instruments ("Data Books")
=================
Data Transmission Circuits (Line Circuits) '98
TMS380 Second Generation Token Ring UG '90
High Performance Networking Components (ATM, enet, TR, SONET...) '95
TVP5020 NTSC/PAL Video Decoder '99
Sprague
=======
Hall Effect & Optoelectronic Sensors '87
Integrated Circuits '87
Dallas Semiconductor
====================
Data Book Fall '97
Product Data Book '90/91
Analog Devices
==============
Amplifier Reference Manual (RM) '92
Data Converter RM Vol I '92
Data Converter RM Vol II '92
Special Linear RM '92
Design-In RM '94
Linear Products '90/92
Data Conversion Products '89/90
Micron
======
Flash Memory '97
DRAM '96
SRAM '96
Xicor Data Book '88
Micro Linear Data Book '91
Micro Networks Data Conversion Products '88/89
Micro Power Systems Full Line Catalog June '86
Philips Semiconductors for Radio, Audio and CD/DVD Systems '98
AMD Network Products: ethernet controllers Book 2 '98
(volume 1 hasn't turned up, yet)
A set (complete?) of QIC-related specifications
About 2" of unbound 8-1/2x11 sheets
(these *may* be available someplace for download
but the ones I have arrived in printed form...)
TI-99/4A UM1381-1 Modulators NEW
$7 each (3 for $18) plus shipping
This price is for members of the following lists only:
CC, TI & Mid Atlantic Retro Yahoo Groups only
you must mention that you saw the price on this list
TI-99/4A Modulator UM1381-1 NEW
Paypal, cash, check or money order
Please reply directly to ygehrich at yahoo.com
For "priority mail" postage from 85751, three
paper feed rollers for a laserjet 3 (I think they
also work on some of the other models of that
vintage -- but nothing newer!).
If you've never changed one, they can be a b*tch
(there are some tricks that can let you change it
easily WITHOUT dismantling the printer but far
too hard for me to put in writing :< ).
Prefer them to go to one person (so I don't have
to bother with boxing them up three times!) but I'll
consider splitting them up...
Thanks,
--don
>
>Subject: Re: Designing a Classic Computing Library
> From: "Zane H. Healy" <healyzh at aracnet.com>
> Date: Sat, 27 May 2006 08:34:27 -0700
> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>>At 03:04 PM 5/26/06 -0700, you wrote:
>>>
>>>A good chunk of my collection of documentation will be going to a
>> >"Historical Resource Center" (aka Library) that is being built in the area.
>>
>> What kind of library is this? Does they specialize in old computers? My
>>experience with libararies is that they throw out ALL old computer stuff
>>(anything but MS Windows XP). One of my major sources is the outlet store
>>for the local county library system. You can't believe the stuff that gets
>>donated to them and that they turn right around and either throw out or put
>>in the outlet store. MY advice is to visit their library and see what they
>>have. If they don't have the kind of stuff that you're donating then it's
>>probably for a reason!
>
>It's not a public library, though once it is built, it will be open
>to the public. I actually have a major say as to what kinds of
>things go into the computer section of the Library, which is why I'm
>asking for input.
>
>This isn't going to be the sort of place you go to find kids books,
>or novels, like I said, this is a "Historical Resource Center". It
>is dedicated to history, and the main person behind this sees the
>value of a computer section, and I know pretty much the entire Board
>of Directors. They are also interested in at least some of my
>hardware, either as exhibits, or a way of enabling people to recover
>genealogical data they might have on classic Media (I've already
>helped recover a bunch of data off of 5 1/4" floppies). It's
>intended to become one of the major Historical libraries in the
>country.
>
>And yes, I do know what they currently have in the way of books and
>periodicals. Right now the computer section is primarily various old
>consumer oriented computer magazines.
>
> Zane
>
>
>--
>| Zane H. Healy | UNIX Systems Administrator |
>| healyzh at aracnet.com (primary) | OpenVMS Enthusiast |
>| MONK::HEALYZH (DECnet) | Classic Computer Collector |
>+----------------------------------+----------------------------+
>| Empire of the Petal Throne and Traveller Role Playing, |
>| PDP-10 Emulation and Zane's Computer Museum. |
>| http://www.aracnet.com/~healyzh/ |
Re: Semi-OT: IDE & SATA to USB "dongles"
A similar device that I like much better is this one:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=8818529060
It is a USB adapter that supports desktop IDE, laptop IDE and SATA drives.
It powers laptop IDE drives from the USB port, all other types (both IDE and
SATA) are powered from a switching power supply (included). All for less
than $20 including shipping.
I have several and they work quite well.
On 5/23/06, Chris M <chrism3667 at yahoo.com> wrote:
> --- Tony Duell <ard at p850ug1.demon.co.uk> wrote:
> > Sure a machine code monitor would have been even
> > nicer, but...
>
> Agreed. One of the dandiest features of puters like
> the C64. But come to think of it maybe that was on a
> separate cartridge. It's been a while...
You must have had it on a cartridge. The TIM monitor _did_ come in
ROM on the BASIC 2 and BASIC 4 PETs - I was so happy when I discovered
it on my 2001-32K (sold as a 3032 in Europe) - the instructions I had
included loading TIM off of tape, but they were the instructions for
BASIC 1 (8K static) PETs.
I wrote a Scott Adams game engine using TIM - I did all the work on
paper and typed it all
in, one subroutine at a time, in hex. Eventually, I got a nicer ML
monitor with a line-at-a-time assembler/disassembler. My productivity
soared!
I _wish_ the C-64 had come with a monitor, with or without an
assembler/disassembler. It was annoying to have stuff crash to the
blue screen when I forgot to load the monitor (or there wasn't room).
-ethan
>
>Subject: Re: Looking for specs for a Misubishi 82C55AP-2
> From: "Ethan Dicks" <ethan.dicks at gmail.com>
> Date: Sat, 27 May 2006 13:53:32 +1200
> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>On 5/27/06, Chuck Guzis <cclist at sydex.com> wrote:
>> On 5/26/2006 at 12:18 PM Holger Veit wrote:
>> >typically, the -2 means 2MHz for other manufacturers...
>> I suspect that the -2 also means 2MHz for Mitsubishi. So you likely got a 2MHz part.
>>
>> Since I was in the same position a couple of months ago, there is a glaring
>> exception to this: NEC.
>>
>> The uPD 8255AC-2 is rated at 5 MHz and the 8255AC-5 is rated at (ready for
>> this?) 4 Mhz!
>
>Thanks, Chuck. That was almost certainly the particular vendor I was
>dimly remembering.
>
>So it seems that the Mitsubishi "-2" parts are most likely 2MHz, but
>I'll keep an eye out for NEC "-2" parts.
There more to it than that.
The -5 is really started by Intel and was really meant to indicate
8085 bus timing compatability which is slightly different than 8080.
It shows up in the MCS-85 Users manual 1978. So the -5 was 8085
compatable and that part was nominally available in 3mhz speeds.
So if you did anything else for 8085 at 5mhz you had to
use another number other than 5 was used. The base 8255A was
slower as the 8080 never got over 3mhz. A side effect of this
was the -5 was usually faster and the 8255A-5 was reverse compatable
to 8255A. The difference are subtle but do exist.
OBTW: the -n for peripherals didn't always relate to CPU clock
speed as it was bus timing related. One could argue bus speed and
timing are the same but the timing overlaps for things like CE/ to
READ/ or WRITE/ can be different and in the case of 82xx peripherals
the -5 was aimed at the 8085 and others were maybe not 8085 but
faster time wide for WR/ or RD/ active time. Typically Mistusbishi
and NEC were either excatly the same or radically different for
numbering. It really shows when 8085s or 8088s faster than 5mhz.
the 8255 existed to 12mhz(CMOS) as uPD71055 (memory test on number).
It was very common in the market that specific -n didn't mean speed
and even when it did -1 or -5 could mean the fastest or slowest.
especially for non memory parts.
Generally this is most important if your doing fast 8085 (5-6mhz)
8086/88 at 5mhz or more or Z80s at 4mhz or faster.
Allison
Al Kossow aek at bitsavers.org wrote on Tue May 23 18:55:07 CDT 2006:
>> Al, this is tall Dave I'm talking about.
>
> I can take care of them for him.
Someone might consider putting a list up somewhere of people willing/able
to read old media, including info on fees, capabilities and location.
I can read and write 9-track 800/1600/6250 (multiple drives to verify on)
all soft-sectored floppies, 3480, CompacTapes (TK50 and TK70),
QIC 24/60/120/150/250/525/1.35/2000, DLT III/IIIxt/IV, Exabytes and DDS1/2/4.
I also have a 9-track tape cleaning machine, but I don't attempt the "baking"
tricks--if the tape sticks after cleaning, I don't attempt any further.
I do this for free for hobbyists and occasional few tapes from desperate
small businesses; not particularly interested in business-level conversions.
I'm located in Minneapolis; turnaround is pretty much immediate, but return
shipping and the cost of my surplus media (if used) should be prepaid (paypal
works for me too) if the media is wanted back. Otherwise I can make the
imaging available over the 'net.
I can provide CPTP/TAP, SIMH, E11, TPC imaged tapes; teledisk, imagedisk or
raw/dsk files for floppies; straight disk dumps for any kind of SCSI or
IDE drive. I also specialize in hard-disk Morrow Micro Decision and Kaypro
machines.
Please consider this an offering of my services moving forward. Hobbyists
needing help in media conversion to electronic form can contact me at
staylor at smedley DoT mrynet DoT com
Best regards,
-scott
I scanned all five years of "The Compass" newsletter. Each year has 4-6
issues; each issue had typically 40 pages. They are now online as
image-only PDFs, about 4-5 MB per year.
http://www.thebattles.net/oddments/oddments.html#northstar
The first few years were a snap to scan, as they were not bound. The
last three years, about 600 pages total, were a drag since I didn't want
to cut up the issues and had to scan the pages one at a time on my
flatbed scanner. I'm just glad they quit publishing after five years. :-)
I have data sheets on the generic 82C55, what I'm looking for is
specifically the speed rating for the Mitsubishi 82C55AP-2... the
reason it matters is that the SBC6120 needs a 5MHz part, and many
82C55s are 2MHz.
Thanks for any pointers.
-ethan
> It was an Apollo-designed processor.
Like the POWER, a multichip-setup. Known internally as the A88k (the DOMAIN distros were suffixed A88k, also, so you could tell.)
The "Great Microprocessors" website (http://www.sasktelwebsite.net/jbayko/cpu5.html#Sec5Part2) has a small writeup on PRISM.
The big problem with the 10ks were that they were big, power-hungry, didn't support much software (HP didn't even release some bugfixes reliably
for a88k), and the processor bus (X-bus) terminators tended to burn out.
No, I haven't used one, I thought about getting one a while ago and started getting info. Haven't found one, though.
>> No idea why they're so rare and forgotten about
Apollo stuff in general seems to be getting into the "rare and forgotten about" category now - strange considering their predominance during the '80s.
As the uncommon sibling of the forgotten family, with no major movie/book credits, the DN10k is slipping into obscurity. Apollo should have open-documented their stuff.
Pity that the Alpha is now in the same boat- the race to mediocrity continues.
Rumor has it that Steve Thatcher may have mentioned these words:
>looks good except for the $12.95 shipping charges...
They do that to avoid a huge hit from ePay's charges...
All in all, about $22. USD, not a bad deal as the last ones our store
ordered were nearly $40. USD, and didn't have the SATA dongle.
Not a bad price whatsoever.
I've used 'em, and they're pretty handy overall. I prefer firewire, but
I've not seen such a widely adapted dongle that can be used on firewire;
tho anything "permanent" external that I build for that purpose is FW, as
it goes one heckuva lot faster....
... and don't start quoting numbers without doing the benchmarks...
;-)
Laterz,
"Merch"
--
Roger "Merch" Merchberger | "Bugs of a feather flock together."
sysadmin, Iceberg Computers | Russell Nelson
zmerch at 30below.com |
I was looking on eBay yesterday to see what is available in the way of SATA
Firewire or USB external enclosures when I ran across a very interesting
device:
http://cgi.ebay.com/USB-2-0-to-IDE-SATA-Serial-ATA-Hard-drive-Adapter-kit_W…
Does anyone have any experience with devices such as this? It looks like it
might be a good way to recover data from old (on-topic) IDE HD's.
My real interest would be using it as part of a backup device. Simply buy
250GB SATA HD's, plug one in, run a backup to it, and then put it someplace
safe. Not really as reliable as a good SDLT-220 drive and tapes, but
definitely cheaper.
Zane
looks good except for the $12.95 shipping charges...
www.geeks.com has external cases that do USB 2.0. They have a SATA/IDE version and just an IDE version. Their prices are too bad and they do not charge as much as this guy does for shipping.
WD has a 320gig IDE drive on sale at OfficeMax for $99.99 right now.
best regards, Steve
-----Original Message-----
>From: "Zane H. Healy" <healyzh at aracnet.com>
I'm 'refurbishing' a "nearly ontopic"[1] (yet still kewl) pre-Sun 1U Cobalt
Raq3i system[2] and as it's not going to have a rotating media system in
it, I was wondering:
Does anyone here have any idea if (and if so, how much) the minimum current
draw might be on the 12V line? The motherboard is drawing around .27 to .3
A, and I know most "normal" PC power supplies have a 1A minimum on 12V.
However, there's very little that's "normal" about this critter.
I've googled for any type of specs for this critter, and for actual
*hardware* information, there's very little out there, I figgered I'd ask
the biggest group of hardware junkies I know of. ;-)
*Of course* all replies offlist, please, as this is off-topic.
Thanks a lot!
Roger "Merch" Merchberger
[1] - about 7 years old, IIRC - I'm changing to a little faster processor,
set it up to boot from Compact Flash media, and making a small RAM-only DNS
server out of the critter...
[2] It's not standard PC schtuff, as there's *no* video (but will show POST
info on the serial port) and has integrated SCSI on a *very* small
motherboard...
--
Roger "Merch" Merchberger | "Bugs of a feather flock together."
sysadmin, Iceberg Computers | Russell Nelson
zmerch at 30below.com |
Hi,
Anyone have several of these (8-10) or better yet a 3U-based VME chassis?
I want to install some 3U-based transputer boards and I currently only have
a 6U chassis..
Thanks,
Ram
PS: Before you ask, they really arent VME boards, but have the same form factor.
So I have to take things apart for me to do this...
Ram
> I have data sheets on the generic 82C55, what I'm looking for is
> specifically the speed rating for the Mitsubishi 82C55AP-2... the
> reason it matters is that the SBC6120 needs a 5MHz part, and many
> 82C55s are 2MHz.
http://pdf1.alldatasheet.com/datasheet-pdf/view/32527/TOSHIBA/TMP82C55AP-2.…
claims to be the toshiba part with the same number.
Kelly
All:
I bought a couple iCom 5.25" external floppy cases on eBay but
they come unassembled (i.e., no internal wiring harnesses). Does anyone have
a copy of the schematic that they could scan for me? Thanks.
Rich
Rich Cini
Collector of classic computers
Build Master for the Altair32 Emulation Project
Web site: <http://highgate.comm.sfu.ca/~rcini/classiccmp/>
http://highgate.comm.sfu.ca/~rcini/classiccmp/http://www.altair32.com/
/************************************************************/
I *think* most of the books listed so far have found homes.
I'm awaiting confirmation on some. I'll dig through the
list to see what has NOT been requested and repost them
with the other books not yet listed.
Thanks!
--don
> *were these developed in-house, or sourced from elsewhere?
It was an Apollo-designed processor.
My housemate at the time was at Sun, and there was much concern
that it would be a SPARC-killer (Apollo was Sun's major competition
up until HP killed off Apollo).
> No idea why they're so rare and forgotten about
They came out just before HP bought them, who proceeded to
bury it in favor of HP PA.
I just reread your post. If you can post pics I should be able
to ID them. When I saw white cube with 8" floppy, I was thinking
tower. It's probaby an 8" floppy for a Xerox 820. The keyboard
is probably a later style one for a Star.
I just got a VERY interesting phone call from the US Department Of
Defense Cybercrimes division. I don't think it would be prudent to disclose
the details but this MAY turn out to be VERY important. They have several
HP 9845 tapes that they need to read. Can anyone help? Yes I know all the
problems about the HP tapes and tape drives. I'm the one that found most of
them so let's not rehash that. What I'm looking for is a working HP 9845
with a working tape drive preferably in the Washington DC area. Also
information about linking a 9845 to a PC or other modernish computer so
that any readable data can be transferred to a modern format. I know
there's been some discussion about trying to read HP tapes on other
devices. Has anyone tried to do that yet? I have several 9845s but I
haven't fired up any of them in a couple of years and I know none of them
have a working tape drive. I have rebuilt the drives on other HP but never
bothered to in the 9845s.
Joe
Sorry for all these little messages. But, if I had
to type everything into one BIG message, I would just
decide it was too much work and toss the whole lot in the
recycling bin! :-/ I'll try to cram more into each list...
Signetics (now known as Phillips)
=========
1987 Linear Data Manual Vol 1: Communications
Vol 2: Industrial
Vol 3: Video
1984 TTL
1985 Linear and Applications Vol II
Analog Devices
==============
Amplifier Reference Manual (RM) '92
Data Converter RM Vol I '92
Data Converter RM Vol II '92
Special Linear RM '92
Design-In RM '94
Linear Products '90/92
Data Conversion Products '89/90
Micron
======
Flash Memory '97
DRAM '96
SRAM '96
Hitachi
=======
IC Memeory Data Book '90
SRAM Data Book '90
National Semiconductor
======================
Linear [123] Databook '88
Linear Applications '86
Interface '86
Memory '90
Interface '94
Local Area Networks '93
FACT Advanced CMOS '90
FAST Advanced Schottky '90
Fujitsu Memories '86/87
Xicor Data Book '88
Micro Linear Data Book '91
AMD Network Products: ethernet controllers Book 2 '98
(I imagine there's a volumen 1 around here someplace)
Hi,
I really *must* do something to get control of this growing
"pile", here! :< (no basements in this part of the country
so this stuff competes for garage space, etc.)
I'm trying to thin out my databook collection. Most of which
is old and no longer pertinent to the products I design (I
rely more on the web for current data). Nor is it contractually
required to support older products, etc.
I'm keeping all of the processor/support related documents
but most of the other stuff is just taking up too much space.
Is there anyone who likes to stockpile paper (for those cold
winter nights when you don't want to run outside to fetch
another log from the woodpile but need *something* to stoke
the fire... :> )?
Here's the first batch of documents. I'm at 85751. Figure
paper is *heavy* so unless you've got currency to burn...
I don't drink so beer money isn't a concern. And, I can
probably find suitable boxes for any of this (the good thing
about paper is it packs well! :> ). So, postage is the
only issue. I'd probably prefer USPS (media rate is cheap)
since FedEx and UPS are clear across town (and I am not
fond of driving in 100+ temperatures!). Mail me the
appropriate postage and no money need change hands...
(sorry, I don't think I can deal with international mail)
Please reply off-list.
NCR/Symbios (now LSI Logic?) docs:
=================================
NCR 53C90 Advanced SCSI Processor User's Guide (UG)
NCR SCSI Device Management System SDMS 3.0 UG
SYM53C720/SE/53C770 SCSI I/O Processor Programming Guide (PG)
SYM53C720/53C720SE SCSI I/O Processor Data Manual (DM)
SYM53C770 SCSI I/O Processor with Ultra SCSI DM
NCR 53CF92 Fast SCSI Controller DM
SYM53CF90A, 53CF90B SCSI I/O Processors DM
53CF94/96-2 Fast SCSI Controller DM
Tandon
======
OEM Operating and Service Manual TM100-[34],-[34]M disk drives
OEM Operting and Service Manual TM848-[12] Disk Drives
Does anyone have any documentation for the Mitsubishi EDM-J (Electric
Discharge Machining)? I'm looking for a description of the protocol
between the external floppy unit and the EDM controller. It appears to be
RS-232C of some kind, but since I don't have access to a floppy unit,
everything's going to come pretty slowly unless I can get a Rosetta Stone
of some sort. Mitsubishi doesn't appear to know much at this point.
Cheers,
Chuck