On 3/11/19 5:19 PM, Chuck Guzis via cctalk wrote:
> I've got a 3M DCD-3 4-track drive if you're interested.
I have some Kennedy drives that should work, just have to find the time
to get to it. I'm trying to clear some 1/2" tapes off the shelves this week.
On 3/11/19 5:51 PM, Dennis Boone via cctalk wrote:
> > I just double-checked and the drive pinouts match the DEI CMTD-3400 manual
> > I know, it isn't obvious at all from the maint manual..
> Was this thing referred to as a "Funnel"?
several companies made 6400 bpi
On 3/10/19 7:48 PM, Patrick Finnegan via cctalk wrote:
> One has the TurboDOS backup/install media for a Televideo TS-816 that I got
> from Don Maslin back in the day. I think the other one is related too, but
> it was unmarked.
TS-816 tapes aren't QIC
of systems built in the early 80's (Zilog, Onyx,
I have a stack of tapes in the queue (incl an 816 tubodos tape) for me to get
fixed-head 4 track reading working
On 3/11/19 10:19 AM, Patrick Finnegan wrote:
> Really? They're DC300 cartridges.
> On Mon, Mar 11, 2019 at 1:16 PM Al K
On 2/7/19 12:17 PM, Ethan Dicks via cctalk wrote:
> $ set def [steve.cpm68k.c.preproc]
'steve' == Steve Williams
this is the Alcyon C cross-compiler
it depends on the version of 68701
P3 has no protection P5 does
a P3 can be read with a Data I/O Unisite
The P5 is more involved. You put it into factory test mode, feed it a NOP
and it will output the rom data
On 2/16/19 6:36 PM, Grant Taylor via cctalk wrote:
>> As for using telnet on the 3174, I'm going by what I've seen posted on
>> Hercules mailing lists about how others have
>> connected real terminals to the Hercules mainframe emulator. A few pictures
>> of such terminals connected to
On 2/9/19 10:39 AM, Al Kossow via cctalk wrote:
> There is also an MIT compiler tape around with a bunch of different PCC ports
> including the Brooklyn Poly x86 compiler.
was mistaken about the x86 compiler origins
there are a lo
On 2/9/19 10:35 AM, Al Kossow via cctalk wrote:
> On 2/7/19 8:05 AM, Noel Chiappa via cctalk wrote:
>> I have the man pages for it, the assembler and linker, the c.out format it
>> produced, etc if those are any use/interest.
> I have a source tape
On 2/6/19 11:45 AM, Tom Uban via cctalk wrote:
> I have a copy of the source for a set of 68k tools (compiler, assembler,
> loader, etc)
> which was based on work done by Chris Terman at MIT. This work was done back
> the mid 80s, so some work is likely needed to compile with modern
On 2/7/19 10:09 PM, Doug Salot wrote:
> Alcyon as in Regulus? Pretty sure they got it from Green Hills.
8716 Production Ave.
San Diego, Ca. 92121
@(#)optab.c 2.3 11/15/84
On 2/7/19 8:05 AM, Noel Chiappa via cctalk wrote:
> I have the man pages for it, the assembler and linker, the c.out format it
> produced, etc if those are any use/interest.
I have a source tape. I'm trying to figure out why modern tar doesn't
On 2/12/19 8:43 AM, William Donzelli via cctalk wrote:
> A lot of precious metal scrappers have wildly differing opinions on that.
And there are a lot of dreamers out there too
I had 1.8 lbs of 1970's bell labs wire wrap pins up on ebay for a while,
someone in texas assayed a few
Does it have the 800 bpi option board?
On 2/11/19 10:01 AM, Eric Smith wrote:
> On Mon, Jan 28, 2019 at 6:03 PM Al Kossow via cctalk <mailto:email@example.com>> wrote:
> It was packaged improperly by the seller and destroyed in transit.
On 2/15/19 3:04 AM, Dave Wade via cctalk wrote:
> 2) https://www.argecy.com/2389 have microcode. Al says he got some from them
> recently. I can copy the latest version but I am short of 2.4MB disks
> (and in th uk)
They have many revs of the firmware. I bought two, the last for the hard-disk
On 2/19/19 2:31 PM, dwight via cctalk wrote:
> Actually, I'd like to see it just read/write flux changes + index marks onto
> a SD card for later analysis.
You want to do the analysis at the time of capture, in case you need to re-read
the media, or wiggle the head
to try to push off a bit
Is anyone here bidding on them that intends to scan them?
I won't snipe them if that's the case
it would be on the options list, which the seller smeared out
the other odd thing was there should be a sun logo badge on the front
On 1/29/19 1:44 AM, Christian Corti via cctalk wrote:
> I read
> HP Tape Drive 1/2" 1600/6250 1E
> on the label at the back.
On 1/28/19 8:08 PM, David Collins via cctalk wrote:
> I just restored a 7980XC (HP commercial version of the 88780) and it all
> worked after I reinitialised the gains in each channel.
David, do you know of anyone that has the schematics for these drives?
MANY years ago, someone in Seattle
this is interesting because of the price and that all of the Sun drives
I've ever come across had the 800bpi option in them
On 1/23/19 1:39 PM, Patrick Finnegan via cctalk wrote:
> For anyone interested, I've restarted my blog on things I've been doing
> with TeleVideo systems, and have the first two parts (out of maybe a dozen
> or so planned) up.
On 1/25/19 6:53 AM, Christian Corti via cctalk wrote:
> - Does someone have a newer version of the MIM, i.e. SY31-0405-4 or greater?
I could only find -3, which I've scanned
I also added a bunch more manuals to http://bitsavers.org/pdf/ibm/5100
On 2/5/19 7:41 AM, dwight via cctalk wrote:
> I'm curious as to what the 9956 is for?
HP used uCTL as the bus interface in the 21xx
I have several. Make a serious offer.
On 2/4/19 11:09 PM, GerardCJAT via cctalk wrote:
> All is in the title.
> An other very long shoot, isn't it ? ;-)
On 4/6/19 2:22 PM, Chuck Guzis via cctalk wrote:
> Does Germany harbor no gold bugs?
I have no idea what the recycling rules or industry is in Germany.
I'm guessing it's insanely strict.
The precious metal content of that little system isn't going to be
much. Maybe enough copper to make it
On 4/13/19 3:07 PM, Charles via cctalk wrote:
> Other thoughts?
find one of the dual-wide rx02 compatible floppy boards
then you can use whatever kind of 8" drives you like
and you can format media
On 5/15/19 4:25 PM, Jules Richardson via cctalk wrote:
> was the "industrial"
> aspect purely a marketing exercise?
yup, just the red/blue coloring front panel is different
On 6/2/19 12:04 PM, Chuck Guzis via cctalk wrote:
> Does anyone remember these folks?
I only have one reel of audiotape, and that has a tag of
being cleaned in 1968. I couldn't find any other chocolate brown
oxide tapes with dates later than that. Maybe they died off
with the switch to 800bpi
On 6/2/19 10:58 PM, Chuck Guzis via cctalk wrote:
> I had a look at a couple of additional reels of Audio Devices tape from
> 1965 and 1966. Both were darker and labeled with an "Certified for 800
> bpi" sticker and well as a "Heavy Duty Made with 1.5 mil DuPont Mylar".
> I'm concluding
On 5/28/19 7:39 PM, Evan Linwood via cctalk wrote:
> hopefully someone takes an interest!
considering 3178 keyboards are over $1000 on eBay, I expect the keyboard
collectors to take every keyboard that
On 6/1/19 10:53 AM, Mark J. Blair via cctalk wrote:
> Does anybody here recognize the make and model of this tape drive?
On 6/1/19 11:23 AM, Mark J. Blair via cctalk wrote:
> Would the brown panel between the tape drive and computer be a filler panel,
> or part of the 11/34A?
it is the top half of the 10.5" CPU chassis
the tape controller is probably internal to the cpu and with have three ribbon
45ips tension arm 800/1600 looking at the 'density' slide switch
make shure you get the cables and controller board if you don't take the whole
On 6/1/19 10:56 AM, Al Kossow via cctalk wrote:
> kennedy 9000
> On 6/1/19 10:53 AM, Mark J. Blair via cctalk wrote:
just dead on the site associated with the video
On 6/6/19 11:46 AM, Al Kossow via cctalk wrote:
> On 6/6/19 11:24 AM, Christian Liendo via cctalk wrote:
On 6/6/19 11:24 AM, Christian Liendo via cctalk wrote:
is dead, dead, dead.
gltron apparently doesn't even survive at IA unless it moved
On 6/14/19 8:50 AM, Alan Perry via cctalk wrote:
> The large A Series work was done in Paoli, King of Prussia, Trediffryn and
> probably other cities around Valley Forge that I don’t recall.
> The B1000 work was done in Goleta (Santa Barbara), CA plus mfg in Liege,
> Belgium. I was
On 6/14/19 10:17 AM, Al Kossow via cctalk wrote:
> On 6/14/19 10:14 AM, Al Kossow via cctalk wrote:
>> On 6/14/19 9:57 AM, Alan Perry wrote:
>>> I have been talking to other folks at CHM about seeing the one there, but
On 6/14/19 9:57 AM, Alan Perry wrote:
> I have been talking to other folks at CHM about seeing the one there, but
> need to work on my rationale.
There really isn't much to see that is in the picture. It's not like the system
in in one physical location
in storage. Everything is
On 6/14/19 10:14 AM, Al Kossow via cctalk wrote:
> On 6/14/19 9:57 AM, Alan Perry wrote:
>> I have been talking to other folks at CHM about seeing the one there, but
>> need to work on my rationale.
> There really isn't much to se
On 6/16/19 4:42 PM, Chris Hanson via cctalk wrote:
> There’s a zip file that claims to be the DSI-020 software, but it’s actually
> the DSI-32 software
where would that be?
this is a bit more heavyweight
On 6/17/19 5:01 PM, Jim Brain via cctalk wrote:
> Probably too light for folks in here, but maybe some will find some interest
> (apologies if
came across these this eve, probably only of interest to Seth, since he has one
On 6/18/19 8:15 PM, Randy Dawson via cctalk wrote:
> That is so cool!
> How much space would it take?
10.5" of rack space
it is a PDP-11 model 15 (first generation)
It is in the Dick Best Options and Modules List 197503
Steve Rothman is shown as responsible engineer
On 6/24/19 1:38 PM, Noel Chiappa via cctalk wrote:
> While I asking on the TUHS list about the KS11, someone mentioned the MX11
> Memory Extension Option, described as "enabl[ing] the usage of
Does anyone know where Steve Rothman is?
I assume this is the same person who wrote the VAX spec.
On 6/24/19 3:19 PM, Noel Chiappa via cctalk wrote:
> > From: Al Kossow
> > It is in the Dick Best Options and Modules List 197503
> Ah, thanks for the pointer; I see it's listed as a
I'd like to get it, but I have no way to pick it up
We received this offer, it probably makes more sense for someone in the UK to
get the lot.
Is there someone at a collecting institution that would like to take this on?
Email me and
I can forward your contact information to them.
"I have a few disk packs available if you need them. (Please note
On 6/11/19 5:50 PM, Seth Morabito via cctalk wrote:
> One of the projects I've been working on recently is adding floating point
> accelerator emulation to the SIMH 3B2/400 emulator. I _think_ I've done
> reasonably well, in that the simulator passes all of the accelerator
> diagnostics that
On 6/20/19 7:56 AM, Eric Christopherson via cctalk wrote:
> Venix can run on the /23+ as well.
> Whether it's a good choice of OS (compared to, say, 2.9BSD) or not I don't
I used Venix on 23s back in the day. It's V7, the file system is a little
and has all of the
On 6/20/19 8:58 AM, Jon Elson via cctalk wrote:
> On 06/20/2019 08:50 AM, Bill Gunshannon via cctalk wrote:
>> V6 will run on an LSI-11/02 with 28KW of memory.
> 28 KW is 56 KBytes, which is the max on most non-MMU CPUs.
Mini-Unix, the non-mmu version.
On 5/9/19 9:57 AM, Mister PDP via cctalk wrote:
> I was wondering if any in depth
> troubleshooting material existed
I'd start with the description in WD1600 chip set docs to see if
the basic microprocesor is running
On 5/13/19 9:47 AM, Josh Dersch via cctalk wrote:
> Thanks! I'd completely missed that directory on Bitsavers (thrown off by
> "dsa" I guess) and nothing turned up in my various searches.
I had hoped to find more on the HSC-x0 controllers but tech details haven't
On 5/4/19 10:29 AM, Dennis Grevenstein via cctech wrote:
> I have the same problem with a cloned MIPS machine, a Sumitomo
> Sumistation SP300. The biggest problem with my machine is that the
> NVRAM holds the ethernet address. If it goes flat, there seems to be
> no way to reprogram the NVRAM.
On 5/14/19 7:25 AM, Ethan O'Toole wrote:
> Is the NVRAM A ST Microelectronics TimeKeeper or Dallas module or something
It is a DS1287
The issue is finding out what the contents should be, since it isn't
documented in the surviving manuals.
Some of this was figured out in getting the
I've been working on archiving two Sniffers (ethernet and wan) and
was wondering if anyone had a spare manual set. I have access to a
set, but it is bound and would have to be scanned a page at a time
On 5/18/19 7:33 AM, Shoppa, Tim via cctalk wrote:
> Is there any outfit that sells "new tape seals"?
Chuck just went through this and decided to use film canisters
On 5/18/19 7:33 AM, Shoppa, Tim via cctalk wrote:
> Is there any outfit that sells "new tape seals"? Or a preferred better way to
> hang tapes in 2019?
FWIW, IBM auto-load hard plastic seems to be holding up better, you might be
able to find a small
quantity of those around.
did anyone happen to get any of these?
they are different from the first set that I got for him, forgot about the
email and they say they are no longer available.
On 5/7/19 10:54 AM, Al Kossow via cctalk wrote:
> On 5/6/19 4:34 PM, Al Kossow via cctalk wrote:
>> I took a better picture of the panel for this yesterday
Took a bunch more pictures which have been uploaded to b
On 5/10/19 9:42 AM, Paul Koning via cctalk wrote:
> I remember seeing one of these in use, for inspection not cleaning.
I see the illuminator, but I don't see the eyepiece you use for surface
in there. There should be a black tube with a lens and a right-angle mirror.
On 5/20/19 1:30 PM, Lawrence Wilkinson via cctalk wrote:
> As Adam isn't on the list, and I am one of those in that photograph...
>From the pictures, it looks like the packs were left in the drives. You should
and lock down the actuator arm before moving them any further.
>> It occurs to me that the turbochannel slots have 4A each. It would be
>> entirely possible
>> to put a board like the raspberry Pi on a turbochannel card
When all you have is a hammer, everything looks like a nail.
for people not following alt.sys.pdp11
This guy seems to have gotten a bunch of stuff from someone making QBus stuff
probably MDB, Dilog, or someone else in SoCal
I did decide to get the Wilson Labs RL01 emulator he just listed.
The MDB chassis seem to have 11/23s and RLV21s in them.
On 4/29/19 6:27 PM, Al Kossow via cctalk wrote
On 4/29/19 9:30 AM, Jon Elson via cctalk wrote:
> Back in 1984 I had cloned a Logical Microcomputer Co. Genix system based on
> the Nat. Semi. 16032 chip set. I had a dd
> dump of the distribution on floppies, but that was unreadable.
> I just found a binder with about an inch of fanfold
On 4/29/19 12:25 PM, jos via cctalk wrote:
> Anyone recognizes this ?
have never seen anything like it, but given the labels are in english
but there are european electrolytics, I'm guessing it was made in the UK
I thought about it.. but..
I took a better picture of the panel for this yesterday
Other than a couple of want-ads from the early 60's I've
not been able to turn up any more information on this.
I'm assuming you optimize by adjusting the parameters to
zero on the meter.
did you see my previous post?
this has NOTHING to do with floppies.
On 5/6/19 12:12 PM, Anders Nelson via cctalk wrote:
> Found on eBay: https://www.ebay.com/itm/223506026636
> I suppose Kyroflux and other open-source hardware/software combos can do
> the same thing?
On 5/6/19 10:47 AM, Jon Elson via cctalk wrote:
> Wow! There were revision notes (is that the correct term?)
I have AA-LA97C, AA-LB22(A-C) which are the release notes for 5.0 -> 5.4
and the 5.4 SPD. I'll see about getting them on line.
I will probably go after these.
I've got a big backlog of spectra manuals, but don't seem to have those.
Another computer that I need to hack down the backlog on.
On 5/6/19 12:28 PM, Mattis Lind wrote:
> Maybe of interest to someone?
> I didn't find the Cobol manual on Bitsavers.
On 5/6/19 2:17 PM, Chuck Guzis via cctalk wrote:
> it's a piece of Telco gear for
> the 1A ESS.
the Pacific Bell property tag should be a clue..
On 5/6/19 4:34 PM, Al Kossow via cctalk wrote:
> I took a better picture of the panel for this yesterday
> Other than a couple of want-ads from the early 60's I've
> not been able to turn up any more information on this.
On 4/18/19 9:30 AM, Chuck Guzis via cctalk wrote:
> Anyone with a Williams tube project?
The 1401 guys at CHM were working on one using a real 701 tube.
I don't think it was ever finished.
@tubetimeus built a small core array with Bulgarian cores
On 4/19/19 12:46 PM, Alan Perry via cctalk wrote:
> Any pointers on things that I should and shouldn't do as I start trying to
> bring it back to life?
Pull the Fuji power supply and thoroughly bench-test it.
There is a high probability it will have failed.
On 4/18/19 10:33 AM, dwight via cctalk wrote:
> I don't believe there is a simple non-destructive way to read the state.
Picked one up, it is the last generation of 3274-style controllers before they
went to 3174-style ca. 1988.
I'd like to find manuals and the IPL diskette (1.2mb).
The unit actually had an IPL floppy, but it disintegrated trying to recover it
(there is signs of
rust inside the hardware so the
On 5/3/19 4:25 PM, Al Kossow via cctalk wrote:
> someone else had the same problem in the comments
also, there is a simulation running in mame
if you look at drivers/mips.cpp you'll find the nvram layout
On 5/3/19 3:22 PM, Pete Turnbull via cctalk wrote:
> Anyone know much about early MIPS workstations?
RISCos 4.52 src, incl monitor src up now under
On 5/3/19 3:22 PM, Pete Turnbull via cctalk wrote:
> Anyone know much about early MIPS workstations? I'm trying to get a MIPS
> RS2030 to boot, without much luck so far. It
> goes through the selftest but stops with the internal LED display at "5"
> accompanied by a continuous beep.
On 5/3/19 4:25 PM, Al Kossow via cctalk wrote:
>> So I'd like to know what the RAM spec really is, whether I need to reprogram
>> the Dallas chip (and if so what goes
>> where), and what the diagnostic numbers on the internal LED mean. Anyone?
I thought I threw t
On 5/3/19 5:22 PM, Pete Turnbull via cctalk wrote:
> Thanks - that would be very useful, if you have time and suitable hardware.
> I read the pages at geekdot.com a couple of
> weeks ago, but I'd not seen the MAME data. I did find a manual about the ROM
> on Bitsavers recently, so with
On 5/4/19 3:00 AM, Pete Turnbull via cctalk wrote:
> Once I can get the machine to stop wailing, that will be useful!
I pulled the frame buffer out of my 2030 and got up as far as the
monitor on port 0 at 9600. My NVRAM is dead so I'm digging around
trying to find another DS1287. The
I'm assuming Bob will get them to me eventually
On 5/4/19 12:17 PM, William Donzelli via cctalk wrote:
> Perhaps bitsavers should have first crack.
> On May 4, 2019 2:21 PM, "Donald via cctalk" wrote:
>> Still cleaning out for Nevada move.
If anyone happens to have a (probably) late model 1A ESS laying around.
Note the late 80's date stamps.
On 5/1/19 4:11 PM, Al Kossow via cctalk wrote:
> I did decide to get the Wilson Labs RL01 emulator he just listed.
Put up some pics. The electronics weren't at all what I was expecting
it has a 1.2gb SCSI drive inside.
On 4/26/19 10:15 AM, Noel Chiappa via cctalk wrote:
> H960 (rack only)
from the infamous Houston storage unit bottom-feeder
On 5/4/19 6:13 PM, ben via cctalk wrote:
> I was thinking it would be nice if bitsavers could do books.
The Internet Archive is welcome to joust at that lightning rod.
On 5/5/19 9:40 AM, Fred Cisin via cctalk wrote:
> While the disk is copying, s/he/it can also type in whatever metadata is on
> the labels
How much time will it take for s/he/it to learn how to CORRECTLY transcribe a
I gave up and just take a picture of any media I'm recovering,
On 6/27/19 8:21 AM, Warner Losh via cctalk wrote:
> I saw this
> half-dollar sized plastic fob on the desk and asked what it was for.
shows a couple of them
It is true. Inter-block gaps are huge and easy to spot/splice.
That is why writing short tape blocks wastes so much tape.
On 6/27/19 8:21 AM, Warner Losh via cctalk wrote:
> I've also heard people tell stories of using this fob to find the end of
> the marks and records on mag tape to splice
On 6/26/19 12:55 AM, Dave Wade via cctalk wrote:
> Could really do with a UK RSTS person to take and scan.
I seriously considered it, but money for shipping wasn't available.
On 6/26/19 1:00 PM, Dave Wade wrote:
> Could we forward to the UK DecTech list?
Let's see if Pete Turnbull is able to make contact
On 7/10/19 11:32 AM, Will Cooke via cctalk wrote:
They have hub rings, so they are probably 360K
I just finished taking pictures and dumping the firmware from a 730X terminal
but it turns out it has a Starlan and not an Ethernet interface. It would be
nice to get a firmware dump from an Ethernet card. A start of a 630 driver is
It also appears
bet this won't go cheap
On 7/8/19 9:19 AM, Chuck Guzis via cctalk wrote:
> What matters to me is [b]documentation[/b], however it's preserved. I'm
> often faced with a bit of old data and I need to know the details upon
> which it was fabricated. That has value to me. Al K has been
> invaluable in this respect.
On 7/14/19 10:41 AM, Guy Dunphy via cctalk wrote:
> Then acting like you're doing us a favor by letting us know of your offering.
And YOU didn't live through Crisis Computer's downsizing seeing literally a
warehouse of HP hardware getting scrapped.
The fact that anyone 15+ years after
On 7/13/19 10:24 PM, Brent Hilpert via cctalk wrote:
> She is not unknown, nor unacknowledged.
She became a CHM fellow several years ago
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