On 10/04/2017 04:22 PM, Adam Sampson via cctalk wrote:
> On Wed, Oct 04, 2017 at 12:03:44PM -0700, Tom Gardner wrote:
>> [...] can I assume that the other ads u found were also CompuAdd clone
>> ads? CompuAdd is really interesting because it clearly predates the
>> CAM meeting in early 1989. Here
Seriously,
one name was forgotten, WD, that the drive maker but the chip maker.
The chipset used for
board then drive level was the same or successors and the came from WD.
Allison
On 10/04/2017 03:03 PM, Tom Gardner via cctalk wrote:
> Adam – thanks for the research, can I assume that the oth
Here's a phone video from a recent repair workshop at the VCFed
museum in New Jersey. Bill Dromgoole is demonstrating progress on one
of the tape drives for our Sperry-Rand Univac 1219B mainframe (circa
mid-1960s).
https://www.instagram.com/p/BZxg7e7DJ3r/
Terrific!
It's really amazing that you
On Wed, 4 Oct 2017, Chuck Guzis via cctalk wrote:
Why on earth would WD have anything to do with it? They supplied the
controller, but not the drives. I used to have an early Maxtor ~50MB
3.5" drive with bugs in the interface. Nowhere did they give any nod to WD.
I was thinking in terms of t
Sorry: I goofed and sent the message to the list (too many different
MUAs and I forget their defaults...)
I have a set of four manuals for the Digivue 512-60 plasma display
screen as from at least one version of a Plato terminal (with
rear-projection capability.) They match the unit I have wh
It would be great to get those scanned. It seems that documentation of the O-I
display devices and related power supplies is quite rare, so it would be good
to make sure whatever is available gets collected.
I have power supply documentation (copies), will try to get those scanned.
p
I found the manuals for my unit, but it appears older than yours -
perhaps one of the original units.
The hardware manual describes the model "512-60 DIGIVUE display/memory
unit, D141."
The electrical connections are .1 inch dual-row edge-connector style; 60
pins for data/control (half are g
> On Oct 4, 2017, at 5:37 PM, Peter Coghlan via cctalk
> wrote:
>
>>
>> The thickwire connector on my DECstation 5000/240 does not have the sliding
>> lock on it, instead it has standoffs with threaded screw holes (like any
>> normal serial/parallel connector). This means that the thickwire ad
> On Oct 4, 2017, at 3:42 PM, Chuck Guzis via cctalk
> wrote:
>
> On 10/04/2017 03:10 PM, Fred Cisin via cctalk wrote:
>
> Why on earth would WD have anything to do with it? They supplied the
> controller, but not the drives. I used to have an early Maxtor ~50MB
> 3.5" drive with bugs in the
On Wed, 4 Oct 2017, Rob Jarratt via cctalk wrote:
> I just searched Farnell for "aui" and for "thickwire" and turned up nothing.
> Any suggestions what to look for?
I remember I had troubles chasing the pieces back then too.
I looked up my old order and the parts I chose were Farnell codes 160
On 10/04/2017 03:10 PM, Fred Cisin via cctalk wrote:
Why on earth would WD have anything to do with it? They supplied the
controller, but not the drives. I used to have an early Maxtor ~50MB
3.5" drive with bugs in the interface. Nowhere did they give any nod to WD.
--Chuck
> -Original Message-
> From: Maciej W. Rozycki [mailto:ma...@linux-mips.org]
> Sent: 04 October 2017 22:54
> To: r...@jarratt.me.uk; Rob Jarratt ; General
> Discussion: On-Topic and Off-Topic Posts
> Subject: Re: DECstation 5000/240 Thickwire Connector
>
> On Wed, 4 Oct 2017, Rob Jarrat
After reading all the input I updated the article at:
http://chmss.wikifoundry.com/page/Compaq%2FConner+CP341+IDE%2FATA+Drive
where you will now find a picture of what is likely the first ATA drive, called
“fixed disk drive with embedded controller” by Compaq J
You might note that the artic
Impressive amateur historical research on this list!
On Wed, 4 Oct 2017, Adam Sampson via cctalk wrote:
The earliest I could find from a quick search is this ad from CompuAdd
Corporation in PC Magazine, December 27th 1988, listing PC clones with
"Integrated Drive Electronics fixed disk drive in
On Wed, 4 Oct 2017, Rob Jarratt via cctalk wrote:
> The thickwire connector on my DECstation 5000/240 does not have the sliding
> lock on it, instead it has standoffs with threaded screw holes (like any
> normal serial/parallel connector). This means that the thickwire adapters I
> have won't conn
>
> The thickwire connector on my DECstation 5000/240 does not have the sliding
> lock on it, instead it has standoffs with threaded screw holes (like any
> normal serial/parallel connector). This means that the thickwire adapters I
> have won't connect properly because their locking studs are bloc
On Wed, 4 Oct 2017, Chuck Guzis via cctalk wrote:
I just pulled off a book from my shelf entitled "The SCSI Bus and IDE
Interface, Protocols, Applications and Programming", by Friedhelm
Schmidt, Addison-Wesley, 1995, ISBN 0-201-42284-0. (From the look and
feel of the book, this appears to be the
Jay, if you have any scanned HP manuals that you don’t think are on line, I’d
be happy to post them up on the HP Computer Museum site, giving credit where
it’s due of course!
David Collins
> On 5 Oct 2017, at 8:10 am, Chuck Guzis via cctalk
> wrote:
>
>> On 10/04/2017 12:17 PM, Jay West via
On 10/04/2017 12:17 PM, Jay West via cctalk wrote:
> On 10/3/17 7:24 PM, Chuck Guzis via cctalk wrote:
>> Al has a bunch of 7970 stuff on bitsavers, but not, I think (I could
>> be wrong) the manual specific to the B and C models.
>
> I do have a chunk of HP service manuals (pretty sure 7970 incl
On 10/04/2017 01:45 PM, Fred Cisin via cctalk wrote:
> I don't know why the model number label didn't include the interface,
> number of cylinders and heads, maybe even rotation speed.
>
> And why the manufacturer's bad track list was often a loose piece of
> paper, rather than a stuck on label.
The thickwire connector on my DECstation 5000/240 does not have the sliding
lock on it, instead it has standoffs with threaded screw holes (like any
normal serial/parallel connector). This means that the thickwire adapters I
have won't connect properly because their locking studs are blocked by the
Martin Bodo had great sales of just such a dead-tree database.
On Wed, 4 Oct 2017, Al Kossow via cctalk wrote:
"The Hard Disk Bible" from Corporate Systems Center
Thank you
I shoulda Google'd it to get the name.
I don't know why the model number label didn't include the interface,
number o
I just pulled off a book from my shelf entitled "The SCSI Bus and IDE
Interface, Protocols, Applications and Programming", by Friedhelm
Schmidt, Addison-Wesley, 1995, ISBN 0-201-42284-0. (From the look and
feel of the book, this appears to be the first time I've cracked it.)
Here's what Mr. Schmi
Hi all
I start here another topic concerning my research about a new Operating
System for my freshly restored DCC-116 E.
http://www.zeltrax.com/classiccmp_forum/second_boot/04.jpg
http://www.zeltrax.com/classiccmp_forum/second_boot/02.jpg
I originally intended to install RDOS on my machine bu
On Wed, Oct 04, 2017 at 12:03:44PM -0700, Tom Gardner wrote:
> [...] can I assume that the other ads u found were also CompuAdd clone
> ads? CompuAdd is really interesting because it clearly predates the
> CAM meeting in early 1989. Here is a quote from the March 9, 1989,
> CAM minutes
Hmm, inter
Al, while I can’t rescan the thousands of documents already in the HP Computer
Museum’s website and leave off the Australia stamp, I can assure you any future
documents will be scanned as originally printed.
I am in the process of sifting through many pallets of old duplicate HP manuals
that w
On 10/4/17 12:34 PM, Fred Cisin via cctalk wrote:
> Martin Bodo had great sales of just such a dead-tree database.
"The Hard Disk Bible" from Corporate Systems Center
On Wed, 4 Oct 2017, Tom Gardner via cctalk wrote:
Thanks for your research which supports my point since all your cites postdate
the April 1989 date of ATA usage by the CAM committee.
Remember this all started when someone (Fred?) posted that ATA followed IDE.
Actually Chuck.
Followed by your
Yesterday I exchanged e-mail with Dal Allan (who gave the CAM committee
reports to X3T9.2). I didn't get permission to post the e-mail here, so
I will summarize.
He said that the AT Attachment project got its name on 30 Mar 89.
He said that WD was the source of the name IDE, but he doesn't kno
On 10/3/17 7:24 PM, Chuck Guzis via cctalk wrote:
> Al has a bunch of 7970 stuff on bitsavers, but not, I think (I could
> be wrong) the manual specific to the B and C models.
I do have a chunk of HP service manuals (pretty sure 7970 included) that are in
electronic format but have never made it
Re: 7970's with HP-IB support
I had written
.
I've never once seen that option in the wild though
To which Ed# replied...
YES! hp 30 series 3000 systems and 40 series had hpib 1600 bpi
7970e in early days.
Generally, there are far more 2100/21MX systems still around
Adam – thanks for the research, can I assume that the other ads u found were
also CompuAdd clone ads?
CompuAdd is really interesting because it clearly predates the CAM meeting in
early 1989. Here is a quote from the March 9, 1989, CAM minutes
“Gene Milligan pointed out that there is some s
On Wed, 4 Oct 2017, Liam Proven via cctalk wrote:
In my world, anyway, nobody had heard of ATA drives until ATAPI came
along. This popularised the term ATA, and then Serial ATA came along
and plain old parallel IDE was renamed parallel ATA, PATA.
Similarly to how "DOUBLE Density"
bacame a name
Thanks for your research which supports my point since all your cites postdate
the April 1989 date of ATA usage by the CAM committee.
Remember this all started when someone (Fred?) posted that ATA followed IDE.
Regards,
Tom
-Original Message-
From: Pete Turnbull [mailto:p...@dunnington
-Original Message-
From: Alan Perry [mailto:ape...@snowmoose.com]
Sent: Tuesday, October 03, 2017 12:27 PM
To: cctalk@classiccmp.org
Subject: Re: The origin of the phrases ATA and IDE [WAS:RE: formatting MFM
I am continuing to investigate, but I think that IDE came first. I have f
On 10/3/17 7:24 PM, Chuck Guzis via cctalk wrote:
> Al has a bunch of 7970 stuff on bitsavers, but not, I think (I
> could be wrong) the manual specific to the B and C models.
I still have several tubs of HP manuals that I haven't gone through and
I remember there were several revisions for the
I acquired a Dataspeed Conductor floppy controller about a month ago in order
to install it in my IMSAI with the JAIR 8080 so I could hook up some 8" floppy
drives. Fortunately it came with a manual, schematics, and an example BIOS for
CP/M 1.4. I've been fighting with it for quite a while thoug
On 2 October 2017 at 14:22, Jules Richardson via cctech
wrote:
>
> Does anyone know why IDE/ATA even came about? I mean, why SCSI wasn't used?
Sure, yes.
It was cheap.
SCSI was expensive, and that was aside from any licensing issues. A
working SCSI bus effectively means 2 smart devices, communi
On 1 October 2017 at 22:22, Fred Cisin via cctalk wrote:
>
> Q: Is "SATA": "Serial ATA" or "Serial AT Attachment"?
Serial ATA, to the best of my recollection.
> (Did they reference
> an acronym without referencing the terms of the acronym, again?)
Yes.
> I am going to guess that "PARALLEL A
Hi All !
I started checking / replacing all the capacitors - tantalum and
electrolytic - on the CPU board saved from the US. Until now I don't
found the guilty.
The CPU board of the USA is a horror to troubleshoot, because of the
acid the battery that changed the nature of solder tin and some
On Tue, 3 Oct 2017, Al Kossow wrote:
As far as I know, no one has successfully made a copy of a Tek cartridge
tape in an image format. The tapes use two tracks, one for clock and one
for data. Encoding beyond that has not been determined. I still have
I can backup Tek405x tapes. Our 4051 has a
On Tue, 3 Oct 2017 01:20:40 -0400
Evan Koblentz via cctalk wrote:
> Here's a phone video from a recent repair workshop at the VCFed
> museum in New Jersey. Bill Dromgoole is demonstrating progress on one
> of the tape drives for our Sperry-Rand Univac 1219B mainframe (circa
> mid-1960s).
>
> htt
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