On 10/3/17 2:50 AM, Jos Dreesen via cctalk wrote:
> That "famous" QIC tape unit
Tektronix 405x tapes aren't QIC
They are 3M DC series cartridges, but the encoding is not a QIC standard.
On 8/26/17 7:36 AM, Jay West via cctalk wrote:
> For official bitsavers mirrors, rsyncd has been turned back on (it was off
> while bitsavers was migrated to the new classiccmp server, and during
A HUGE thank you to Jay for taking the time to do this. I had about 100,000
On 8/23/17 5:17 PM, Kevin Parker via cctalk wrote:
"Nathan Ensmenger has observed"
he's written a whole book on the
On 9/4/17 10:27 AM, Ed via cctalk wrote:
> Macintosh Spartacus Special Bonus Steve Jobs
Each APPL buzzword is a 100x price multiplier
and 1000x if it is in .jp
On 10/8/17 3:14 PM, Christian Groessler via cctalk wrote:
> On 10/07/17 03:06, Rick Bensene via cctalk wrote:
>> If I recall correctly, these machines used an 8" Micropolis hard disk drive.
there are two versions. the 1981 8560 uses microp 1200, later ones have xebec
and are sasi
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 10/3/17 4:50 PM, Jack Harper via cctalk wrote:
> Question: I understand that most (all?) of the '7970 drives interfaced
> through the HP-IB IEEE-488 bus.
On 10/3/17 5:03 PM, Alan Perry via cctalk wrote:
> Compaq and WD also worked with CDC to use the Wren II HH drive in the Compaq
> Deskpro 286. I found separate reports
> confirming the Miniscribe HDD in the Portable II and the Wren II in a Compaq
> Deskpro 386 in 1986.
I have two of the CDC
On 10/3/17 5:33 PM, Al Kossow via cctalk wrote:
> I have two of the CDC drives, pn 94208-51 date codes 8749 and 8750
I just popped off one of the logic boards, and it is a slightly longer than
usual board with a WD1015-JM, WD11C00-JU. WD10C20B-JH-05, AND WD2010BJM05-02
On 10/3/17 5:39 PM, Alan Perry via cctalk wrote:
> Does CHM have the e-mail on IDE history with Bill Frank, Tony Maggio and
> Ralph Perry listed in the references?
 Tony Maggio and Ralph Perry email on CDC Wren II IDE Drive, December 15,
Tom probably has it, I don't recall seeing
On 10/6/17 3:21 PM, ben via cctalk wrote:
> I have Knuth holding up my sofa.
and he hasn't started screaming yet?
I've starting to collect Hallicrafters and would be interested
On 10/7/17 9:05 AM, Noel Chiappa via cctalk wrote:
> So I have a Hallicrafters S-85 receiver which was my wife's father's, and just
> arrived (he passed away, and they are cleaning out his basement):
On 10/7/17 11:47 AM, Al Kossow via cctalk wrote:
> I've starting to collect Hallicrafters and would be interested
since this list's 'reply' bit me in the ass, I may as well say what I have
On 12/19/17 10:49 AM, Noel Chiappa via cctalk wrote:
> Could someone who has one please take a look and let us know (or, even better,
> send us photos)?
If someone can't get to mounted ones, I can trundle over to CHM artifact storage
and look at one of our racks.
I would think LCM should
Digi-Data made a widget to read the tapes as well.
On 12/18/17 12:57 PM, Chuck Guzis via cctalk wrote:
> Forgive the top-posting on my own post, but I think it's appropriate:
> Evidently, the client used an MT/ST to emulate a 2741
On 12/17/17 9:04 AM, Aaron Jackson via cctalk wrote:
> I unloaded very quickly but I think the damage is done.
I KNOW the damage is done.
NEVER attempt to load a pack if you haven't inspected it AND the heads first.
Was this combination ever known to work?
You now need to throw that pack
On 11/9/17 6:29 AM, Christian Corti via cctalk wrote:
> @Al: you may push it to bitsavers
On 11/14/17 6:16 AM, william degnan via cctalk wrote:
> Following top post of this reply...
> There is a doc called 709-7090 General Information Manual D22-6508, which I
> don't see in bitsavers (I don't have).
we have it
On 10/29/17 4:59 PM, Kevin Parker via cctalk wrote:
> Maybe we (that's us on this list) need to apply this concept to the scanning
> and archiving and retention of any paper based repositories that still exist.
What a brilliant idea. We could call it "bitsavers"!
obviously NOT used..
On 5/10/18 9:29 AM, Paul Koning via cctalk wrote:
> One that comes to mind is the DEC RS04. It spins at roughly 3600 rpm (a hair
> less, so obviously a 2 pole induction motor running off 3-phase 60 Hz power).
Vermont Research drums (model 1175B) spun at 3450 rpm 3ph 220v, The HP 2773 on
there is a picture of a small 10K RPM drum here
On 5/10/18 10:37 AM, Al Kossow via cctalk wrote:
> On 5/10/18 9:29 AM, Paul Koning via cctalk wrote:
>> One that comes to mind is the DEC RS04. It spi
On 5/10/18 10:37 AM, Al Kossow via cctalk wrote:
> On 5/10/18 9:29 AM, Paul Koning via cctalk wrote:
>> One that comes to mind is the DEC RS04. It spins at roughly 3600 rpm (a
>> hair less, so obviously a 2 pole induction motor running off 3-phase 60 Hz
It's in the 1971 moto ttl data book page 37
same as the 7475
On 5/12/18 11:03 AM, Noel Chiappa via cctalk wrote:
> Hey, all, the RK11-D contoller for the PDP-11 uses Motorola 4015 MSI chips on
> one of the boards (M7254), but I can't find out anything about them. Google
> didn't turn anything
On 5/12/18 11:37 AM, Jerry Weiss via cctalk wrote2
>> On May 12, 2018, at 1:03 PM, Noel Chiappa via cctalk
>> Hey, all, the RK11-D contoller for the PDP-11 uses Motorola 4015 MSI chips on
>> one of the boards (M7254), but I can't find out anything
On 5/12/18 11:36 AM, Al Kossow via cctalk wrote:
> same as the 7475
the direct replacement table lies.
it's quite different than a 7475
scanned, and uploaded to
On 5/1/18 1:43 PM, Al Kossow via cctalk wrote:
> OK, looks like it's time to give him a call..
> On 5/1/18 11:51 AM, J. David Bryan via cctalk wrote:
>> On Monday, April 30, 2018 at 10:22, Al Kossow v
and this says they are 880 rpm
On 5/10/18 1:25 PM, Al Kossow via cctalk wrote:
> On 5/10/18 1:17 PM, Jack Harper via cctalk wrote:
>> Chuck, do you know if the story that the FASTRAND drum was
On 5/10/18 1:17 PM, Jack Harper via cctalk wrote:
> Chuck, do you know if the story that the FASTRAND drum was fabricated from
> milled/machined sewer pipe is true???
it appears one still exists
the decade is wrong.
Just found a better picture of the MIT PDP-6 core panel
The contents of the fortune cookie was still taped on there as of 2008
> On 5/5/18 8:57 AM, Mattis Lind via cctalk wrote:
>> I found one more google hit for FABRI-TEK:
On 5/5/18 8:57 AM, Mattis Lind via cctalk wrote:
> I found one more google hit for FABRI-TEK:
> http://ljkrakauer.com/LJK/60s/moby.htm Interfacing it with a PDP-6.
There should be a bunch of info on the net, Fabri-Tek made a LOT of OEM
core memory units. I have one for a PDP-8/I
On 5/16/18 9:13 AM, jos via cctalk wrote:
> Visited an older collector recently, and in his shed he has a strange thing,
> labeled CDC, that somehow looks like a drum
> memory, but then again not ( drum looks too small to be usefull )
> The controller that goes with is a transistor based
Series 500 machines are quite rare. Someone should save these.
On 5/16/18 10:00 PM, Lawrence Wilkinson via cctalk wrote:
> I own several HP 9020 work stations along with peripheral gear associated
> with that series.
Anders Sandal has been working on modern replacements
On 5/15/18 11:35 PM, Josh Dersch via cctalk wrote:
> I was fortunate enough to acquire a TU56 this week, along with a TD8E
> controller. However,
On 5/16/18 9:13 AM, jos via cctalk wrote:
> Anyone can identify this ?
if you look on bitsavers under cdc/catalogs
lists several drum storage units including the models 861, 863 and 865
the controller looks a little too early to be for the
I will check this to see if there are any pictures
On 5/16/18 10:04 AM, Al Kossow via cctalk wrote:
> references the 863 being used on the CDC 3100
On 5/16/18 10:43 AM, Jos Dreesen via cctalk wrote:
> Added 4 more, that are from some frontpanel that probably is also CDC.
> Quite easily the most complex I have ever seen, but somehow strange.
> Maybe for a tester rather than a computer.
Honeywell Level 66 CP
references the 863 being used on the CDC 3100
On 5/16/18 10:00 AM, Al Kossow via cctalk wrote:
> On 5/16/18 9:13 AM, jos via cctalk wrote:
>> Anyone can identify this ?
just showed up
On 5/21/18 6:03 AM, Paul Koning via cctalk wrote:
> Another old CAD program is NEC2, the antenna (etc.) simulator.
I forgot to post about it here, but NASTRAN is available on github along with a
lot of other NASA code.
It is unlikely that the sources ever made it
yea.. I'm not going to dig into it myself.
Just wanted to warn people some archaeology will be necessary to rebuild the
On 5/25/18 3:09 PM, Tapley, Mark wrote:
> ResEdit 2.1 can see a whole page of Resources in the Eudora Application.
On 5/25/18 2:29 PM, Tapley, Mark via cctalk wrote:
>> I dream of a new version of Eudora for the Mac
Someone has noticed that all of the resource forks in the files have
Getting a prom dump would be cool.
On 5/25/18 12:58 PM, Adrian Graham via cctalk wrote:
> Hi folks,
> A friend of mine has said ADM-3A and is baffled by the tiny board it
> contains, not the usual ‘covering entire base’ discrete logic board they
> normally have. Centre of this board is the
On 5/18/18 11:00 AM, Alan Perry via cctalk wrote:
> On the back, the bottom, wider slot was open, the two slots above occupied,
> and the upper two had blanking plates.
the empty slot is where the CPU goes.
the upper two are 'DIO' slots
more than you ever wanted to know is at
On 5/23/18 8:54 AM, Warner Losh wrote:
> Somewhere I have the field service manual from when I worked there...
If it's different from what I have on bitsavers, i'd like to scan it.
On 5/23/18 7:51 AM, Alan Perry via cctalk wrote:
> they need a special mouse and keyboard
You can run them headless, so they aren't completely useless w/o the keyboard.
Is this a 200/DL (RS423 data lines only) board?
A normal 200 would have two large IDC connectors on the pcb for serial I/O
I have 11D on bitsavers.
11D/IAS is VERY rare. The tape cost me a fair bit 10+ years ago on eBay
I've never seen the COBOL compiler
On 5/28/18 8:10 AM, Nigel Williams via cctalk wrote:
> I’m looking for a circa 1974 copy of RSX-11D distribution and the COBOL
> compiler that was shipped as an
On 5/25/18 7:16 PM, Steve Malikoff via cctalk wrote:
> I don't know if any source is still available, but for a long time I've been
> fascinated by Ivan Sutherland's Sketchpad running on the TX-2:
It isn't. I've asked Ivan and he hasn't been
On 6/3/18 11:17 AM, Antonio Carlini via cctalk wrote:
> From reading the DTJ article it seems as though there was no set of neatly
> pre-packaged ucode development tools for the
and the 730 started out in life as a PDP-10 (Minnow)
On 5/30/18 7:09 PM, Marc Howard via cctalk wrote:
> Was there ever an I2C decoder created for the 16500/16700?
Today it may be easier just to get one of the inexpensive 16 channel USB
analyzers with built-in i2c decoding
like a DSLogic
Before you get too far, the original source disk from Qualcomm is still
available and some work has started to
try to recover the Mac files and their resource forks at CHM.
On 5/29/18 7:21 AM, Tapley, Mark via cctalk wrote:
>> On May 25, 2018, at 5:35 PM, Al Kossow wrote:
>> yea.. I'm not
OK, looks like it's time to give him a call..
On 5/1/18 11:51 AM, J. David Bryan via cctalk wrote:
> On Monday, April 30, 2018 at 10:22, Al Kossow via cctech wrote:
>> If it doesn't turn up in what I have, I'll check with Jeff to see if he
>> still has it.
> If I'm not imposing, could you
On 5/2/18 8:22 AM, Chuck Guzis via cctalk wrote:
> One thing that many eBay subscribers overlook is the "Make offer"
> feature of some auctions. In my opinion, that's where the real gold can
Yup, in both directions.
People seem completely clueless about what a reasonable offer is, on
On 5/2/18 9:20 AM, Mark J. Blair via cctalk wrote:
> change the format from fixed ending time to automatically extending the
> auction period N minutes past the last bid.
Ain't gonna happen.
Other sites tried it, and failed because auctions would literally drag on for
hours with penny bids.
On 4/30/18 7:40 AM, Glen Slick via cctalk wrote:
> The only reference I have found is in a list of not scanned manuals here:
If it doesn't turn up in what I have, I'll check with Jeff to see if he still
It's a little weird to
I'm trying to pull together the HP paper I still have and will put it on the
list of things to look for.
Unfortunately, it didn't get scanned from the Crisis Computer manual collection
in 2005 since I had assumed
I had already scanned the interface cards. It's likely it is in the boxes of
too far out of scope for me
I'm guessing it is for a 7000
On 10/19/17 9:15 PM, Ed Thierbach via cctalk wrote:
I'd be interested in a classic computing net as well. I have 40 - 10
meters available on HF. Our area is lagging in digital repeater coverage,
so no Fusion or DMR or D*Star for me just yet.
I took an analog VHF/UHF radio and
, Paul Koning wrote:
On Oct 20, 2017, at 11:03 AM, Al Kossow via cctalk <email@example.com>
Was looking at the digital repeater modes this morning
Pretty disappointing that the most popular on
On 10/25/17 11:55 AM, Rich Alderson via cctalk wrote:
> Noel, do have a reference for "some commercial time-sharing system in the
> Boston area"? From Paul Allen's autobiography, the Harvard system was
> immediately by their move to Albuquerque, where they leased time on the local
On 10/24/17 7:40 PM, Kip Koon via cctalk wrote:
> The choice so far it seems is the PDP-11/70. Remember I still have no idea
> beyond some searching on the internet what boards and peripherals a
> PDP-11/70 consists of. For that matter, I don't know what boards and
> peripherals are in the
On 10/27/17 12:16 PM, Chuck Guzis via cctalk wrote:
> I've long had a fantasy about building a core-logic CPU such as the
> Univac Solid State.
I have been told the behavior of Univac magnetic logic was similar to NMOS
which explains why there is an RF power amplifier for the clock driver in
On 10/27/17 1:38 PM, Brent Hilpert via cctalk wrote:
> I wonder if they were just trying to draw an analogy between the inherent
> dynamic operation requirements of magnetic logic and the dynamic operation
> requirements of some (many?) NMOS designs (not really inherent to NMOS).
this was a
On 10/27/17 2:00 PM, Phil Blundell via cctalk wrote:
> On the subject of NMOS dynamic logic, someone recently pointed out a
> paragraph in the technical manual for a 1990s ARM2-based computer which
> warned of dire consequences, including possibly destruction of the
> chipset, if the circuitry
On 10/28/17 5:48 AM, william degnan via cctalk wrote:
> Who is DVQ?
Bob Rosenbloom. Lives in the Santa Cruz mountains
On 10/27/17 12:57 PM, Paul Koning wrote:
> That doesn't sound even close.
While computers now are composed by many integrated circuits containing each
millions of logical units,
processing data with a speed of a few gigabits per second in a
On 1/20/18 5:34 AM, Noel Chiappa via cctalk wrote:
> $?? GT40 display hardware
vt11 is integrated into the 11/05 backplane on the gt40
it looks like they took the display and changed the front panel to rack mount
sadly, the light pen is missing, those are
HP1311A is what was used in Galaxy Game
The actual GG controller is a microcoded 2903 bitslice that sits on the Unibus
Supposed to be similar to the VT-48
Didn't James build something (FPGA based?) to play the game?
On 1/21/18 10:48 AM, Guy
CHM has an agreement with HP to host Apollo and 68K HP 9000 software legally.
On 1/21/18 11:42 AM, David Collins via cctalk wrote:
> The HP Computer Museum would be happy to host copies of any Apollo software
> if it can be imaged..
I acquired a copy of CP/M-68K and am trying to pull together the
parts for a 9816 to run it. I have Nimitz keyboards, but would like
to find its little brother that matches the size of the 9816
On 1/22/18 11:01 AM, Toby Thain via cctalk wrote:
> I still own an original Canon engine Apple Laserwriter or two.
CX engine printers (Laserjet, Laserwriter) are still out there printing.
The liquid toner beasts are the ones that have probably gone extinct
On 1/22/18 10:08 AM, Pete Lancashire wrote:
> BTW I had at home a LBP1 ? that came from the R Labs. Quite the beast it
> used a toner that was suspended in a liquid.
Not that anyone seems to collect printers, but the LBP1 and the Canon engine
were some of the
On 1/24/18 10:23 AM, Grant Taylor via cctalk wrote:
> I think that would make the transceivers slightly more usable.
It makes them a LOT more usable :-)
On 1/23/18 8:40 PM, Ian Primus via cctalk wrote:
> Ugh. Don't get me started. I collect terminals. Missing keyboards is a
> perennial problem, but it's gotten WAY worse in recent years.
I went a little crazy and started doing the same in 2017 to dump the firmware
for MAME. There are now
On 1/24/18 1:05 PM, Brent Hilpert via cctalk wrote:
> I haven't seen any pictures during this thread of the transceivers we used
> with the 10MB yellow hose - heavy gauge metal boxes about 3" * 4" * 1" with N
> connectors. I remember piling up the 3 ft diameter loops of yellow coax in
On 1/24/18 3:05 PM, Electronics Plus via cctalk wrote:
> I am clearing these out of my stock:
> 4 are beige, with no PN on the back. They have a small RJ9 type connector. 3
> are missing one or more caps.
> 4 are dark on top, and beige on the back. There is no PN. These have the
And if anyone has any of the early TCL transceivers, check the tantalums
on the power supply input. I've had many failures of them.
On 1/24/18 10:38 AM, Al Kossow via cctalk wrote:
> On 1/24/18 10:23 AM, Grant Taylor via cctalk wrote:
>> I think that would make the transc
On 1/24/18 10:28 AM, dwight via cctalk wrote:
> How many Mac's do you see on ebay with no keyboard?
A keyboard/mouse seems to add $100 to the price
And there lots of keyboards with no Macs, especially the
second-generation extended ADB ones.
If there didn't seem to be a glut of them on
On 1/24/18 2:53 PM, Electronics Plus wrote:
> Wyse 60 keyboards work out of the box as USB with a converter sold by
> Orihalcon on ebay.
I was going to convert a Wyse keyboard to something that would work to replace
missing keyboards from terminals.
It was easier just to throw them out.
On 1/13/18 9:04 AM, Jon Elson via cctalk wrote:
> I don't know what you are talking about with Mylar on both sides. They were
> conventional magnetic tape, a clear mylar
> film with oxide applied to one side.
the actual spec is here:
;> there is a functional
>> Apollo emulator running in MAME
>> On 1/21/18 7:16 PM, Jay Jaeger via cctalk wrote:
>>> I wasn't aware of that. I have a ton of Apollo QIC images. Shall I put
>>> them up on my Google Drive for you to grab?
On 1/24/18 7:21 AM, Liam Proven via cctalk wrote:
> So, you have 2 choices:
>  Buy an expensive modern mechanical keyboard
Unless they are REALLY expensive, modern mechanical keyboard keycaps suck.
For some reason, they think the classic fonts are ugly and replace them
More pics of the 3mbit transceiver, cable and pics of a 10mbit TCL transceiver
(the original 10mbit one)
are up now
On 1/23/18 8:10 AM, Al Kossow via cctalk wrote:
> there are pictures of the transceiver w/o the vampire tap on bitsavers
> under http://bitsavers.org/pdf/xerox/ethernet_3mb/
this is going to go for an insane amt of money
On 1/31/18 6:25 PM, Rich Alderson via cctalk wrote:
> The fourth guy was Dick Helliwell, who was hired by DEC when they licensed
> from SAIL. I met Dick when we both worked at XKL; he was the major part of
> effort to make SUDS run on the X Window System, on the KL-10 and
On 1/31/18 12:28 AM, Lars Brinkhoff via cctalk wrote:
> SUPERFOONLY DESIGNED 1968-71
> 10,000 TTL IC'S
> 3 MIPS
Was this ever built? 10K ICs would have been bigger than the Livermore S-1.
F1 was the machine that Whitney-Demos had, I think, and there was only ever
one of them.
On 1/31/18 12:25 PM, Al Kossow via cctalk wrote:
> On 1/31/18 11:27 AM, Lars Brinkhoff via cctalk wrote:
>> There was
>> also a fourth whose role (I think) was to build the CAD system which
>> was used for the design. He later went to work for DEC.
On 1/31/18 7:02 AM, geneb via cctalk wrote:
TOS shirt on someone who looks like Carl Helmers in 1976?
Find someone that can draw, or get serious about Cubism.
This just looks stupid.
On 1/31/18 11:27 AM, Lars Brinkhoff via cctalk wrote:
> There was
> also a fourth whose role (I think) was to build the CAD system which
> was used for the design. He later went to work for DEC.
SUDS (Stanford University Design System)
also used to design the Livermore S-1
Just put a working one together from parts from two different auctions and
I'd like to find the rest of the documentation.
H-19s are pretty common, H-29s not so much so. Haven't been able to find the
docs on line anywhere.
Thanks for the help. The only tricky part will be that the schematic is larger
11 x 17
Need to get my blueprint scanner working.
On 2/5/18 7:54 AM, Kyle Owen via cctalk wrote:
> On Feb 5, 2018 07:02, "dwight" wrote:
> I expect to be at the PNW VCF. If Al isn't
On 2/8/18 12:05 PM, Ian via cctalk wrote:
> it seems no one on the list is interested in discussion beyond anecdotes when
> it comes to 80s hardware.
Little concrete analysis has actually been done on these drives that has been
released outside the
drive recovery shops.
I would suspect
On 2/8/18 4:03 PM, Ian via cctalk wrote:
> I don’t have a lot of background here- what goes wrong with them?
I have been told a common failure mode was for them to open. Maybe something
bad happens between the platter and head over time (metal-metal corrosion)?
And who knows what sort
but I've been told ACE has gone out of business
that pretty much just leaves Anchor, Excess Solutions, Halted, and Weird Stuff
On 2/6/18 3:23 PM, Douglas Taylor via cctalk wrote:
> I haven't been in the San Francisco area in about 30 years.
> I remember a
floppies recovered and uploaded to http://bitsavers.org/bits/HP/HP_9000/cpm-68k
I'm pretty sure this will only work in a 9121 single-sided drive but I'll be
to boot it soon
On 2/9/18 10:05 AM, js--- via cctalk wrote:
> A tangential question out of curiosity: who here has 5.25" MFM drives they're
> extremely surprised are still working, and
> which model(s)?
Looking around after purging about 100 dead drives a few months ago..
CDC Wrens seem to be holding up OK,
On 2/9/18 9:23 AM, Chuck Guzis via cctalk wrote:
> Calmos (then later Tundra) Semiconductor actually documents them in
> detail in their CA80C85 datasheet, but those were from the early 1980s.
the info is still out there
On 2/12/18 10:37 AM, Mike Norris via cctalk wrote:
> Hi Mattis at al,
>> GT41/GT43 BTW?
we have two pictures in the collection
I'll pull them to see if they
On 2/12/18 11:06 AM, Al Kossow via cctalk wrote:
> GT41 is a GT-40 with a desktop 11/04 chassis
I hadn't seen one before, so some pics are up now under
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