Dave Woyciesjes wrote:
> How about all of you shut the hell up, drop this, and talk
> computers, okay?
>
> >>..
> >>Now, after that many text about "Role of Meaning" is it just me that
> >>thinks that the time where better to be used for clearing technical
> >>problems?
> >>
> >>Regards,
> >
Coleco Adam.
-Ian
On Sun, Sep 6, 2015 at 10:16 PM, Win Heagy wrote:
> I picked this up at Radio Shack about 25-30 years ago and have been
> hauling it around ever since.
>
> http://imgur.com/oNEcRFv,VacFqrY#0
> (There should be two images...a link to the second.)
>
> It was a surplus thing that
Oops:
http://www.dailywell.com.tw/uploadpic/file/20130914143655f.pdf
- Original Message -
From: "Mike Stein"
To: "General Discussion: On-Topic and Off-Topic
Posts"
Sent: Monday, September 07, 2015 12:41 AM
Subject: Re: MITS Altair 8800b switches needed
Anything here you like?
Mi
I got a thick manual full of schematics and procedures for Data General
6060 series cartridge disks, don't know if it could be of some help.
Göran
Den 2015-09-02 kl. 16:21, skrev b coleman:
I know this is a pretty long shot, but does anyone happen to have any service
or maintenance manuals on
I picked this up at Radio Shack about 25-30 years ago and have been
hauling it around ever since.
http://imgur.com/oNEcRFv,VacFqrY#0
(There should be two images...a link to the second.)
It was a surplus thing that RS was selling on the parts wall and I
grabbed on the off chance I'd need it someda
On Sunday, September 6, 2015 at 13:41, Jay West wrote:
> Here's a non-exhaustive but useful list of compatible parts for each:
>
> [...]
>
> 4K parts
> Signetics N82S141
> Harris 7641
> MMI 6341
Some additional part numbers:
- AMD Am27S31
- National DM87S474
> 8K parts
> Signetics N82S181
Anything here you like?
Might have to hunt for a distributor/retailer
though.
m
- Original Message -
From: "drlegendre ."
To: "General Discussion: On-Topic and Off-Topic
Posts"
Sent: Sunday, September 06, 2015 4:21 PM
Subject: Re: MITS Altair 8800b switches needed
Since Erik b
On 09/06/2015 07:54 PM, Mark Linimon wrote:
http://www.ebay.com/itm/VINTAGE-197X-RARE-CONTROL-DATA-AD-OMEGA-480-370-COMPATIBLE-ALTERNATIVE-Q-/271967493965?hash=item3f52869f4d
Not that I'm going to bid on it, but ... I had never heard of this
CDC product before. Does anyone have any idea if thi
http://www.ebay.com/itm/VINTAGE-197X-RARE-CONTROL-DATA-AD-OMEGA-480-370-COMPATIBLE-ALTERNATIVE-Q-/271967493965?hash=item3f52869f4d
Not that I'm going to bid on it, but ... I had never heard of this
CDC product before. Does anyone have any idea if this was a real
product, or just a way to poke IBM
On Mon, Sep 7, 2015 at 9:45 AM, Al Kossow wrote:
> Thank Jim Haynes for saving these from UC-Santa Cruz's machines and donating
> them to CHM in 1998.
Most definitely, thanks to Jim Haynes for the foresight and energy to
grab them when he could. Jim has been involved in the early
discussions abou
Johnny, I appreciate the thought, but there are over 1500 pins on this board
and soldering them all would be a major undertaking in itself... I don't
have a wave soldering machine ;)
The first error flagged today is on D1 CA 3, the Command Register A bit 3.
Scope loops definitely identify this
How about all of you shut the hell up, drop this, and talk
computers, okay?
On 09/05/2015 06:10 AM, Johnny Billquist wrote:
Holm. You may call it whatever you want.
I found your comments insulting. And following your advice I'll not
ignore you. Have fun.
Johnny
On 2015-09-05 09:00,
They do not make bipolar proms any more.
you can find them on ebay sometimes
some functions can be emulated by fast pals.
but not code storage.
Old arcade games use them for all sorts of things.
some old arcade game repair sites also sell the ICs
http://www.ebay.com/sch/i.html?_from=R40&_trksid=
On Sun, Sep 6, 2015 at 5:38 PM, Marc Verdiell wrote:
> It just dawned onto me that these were "write once" PROMs,
[...]
> I guess none of the modern ebay Chinese ones would do?
I'd suspect not, since bipolar PROMs are long obsolte.
> where can you get the blanks?
The usual surplus IC sources.
On Sep 5, 2015, at 2:23 AM, Nigel Williams
wrote:
We were amazingly lucky with the B5500 to have so much of the critical
documentation (thanks Bitsavers!)
Thank Jim Haynes for saving these from UC-Santa Cruz's machines and
donating them to CHM in 1998.
Jay, Mike, John,
Thanks for the helpful information. It just dawned onto me that these were
"write once" PROMs, not modern EEPROMs. Duh. So you get one shot at doing it
right...
The Data I/Os on ebay seem to be quite a bit more than $100 right now, I'll
keep looking. I guess none of the modern ebay
On 9/6/15 10:59 AM, Al Kossow wrote:
On 9/6/15 8:43 AM, Josh Dersch wrote:
I'm going to look at more the disks that
don't have "300 DPI" in the label (since those are unlikely to be
display fonts).
right, those are 4045 laser printer fonts
Wrote out a couple of disks that looked promis
Bill Degnan Wrote:
>>I thought Banesville electronics in Baltimore had the switches.
They're on Joppa Rd.
I'll have to call on Tuesday to see. I'm on the other coast, but it's
certainly worth a shot.
If anyone has any in their hands to sell, I'm still looking! :)
Thanks!
On Sun, Sep 6, 2015 a
Jay, no one is pin compatible, I always make adapters. But at least I make
it work :D
2015-09-06 16:00 GMT-03:00 Jay West :
> Alexander wrote...
> -
> Intersting to note: many times i have used eproms in place of these proms.
> Usually, flash parts are faster, so better suited to the task.
>
On Sun, 6 Sep 2015, Jay West wrote:
Here's a non-exhaustive but useful list of compatible parts for each:
4K parts
Signetics N82S141
Harris 7641
MMI 6341
You can add National 74S474 to this group. I've tried it, and they
work.
Mike Loewen mloe...@cpumagic.s
I thought Banesville electronics in Baltimore had the switches.They're
on Joppa Rd.
On Sun, Sep 6, 2015 at 4:21 PM, drlegendre . wrote:
> Since Erik brought it up..
>
> I could also use a couple switches, but in my case they are for an 8800A
> model. (Well, it's sort-of a 'B' now as it was u
Since Erik brought it up..
I could also use a couple switches, but in my case they are for an 8800A
model. (Well, it's sort-of a 'B' now as it was upgraded to the 'B' power
supply, but it still has the original 'A' type D/C board).
Like the 'B' it uses mostly Mom-Off-Mom mini-toggles, with panel
Next big step is to get the rack into the basement, not an easy feat.
On Sun, Sep 6, 2015 at 3:17 PM, Henk Gooijen
wrote:
> -Oorspronkelijk bericht- From: william degnan Sent: Sunday,
> September 06, 2015 8:51 PM To: General Discussion: On-Topic and Off-Topic
> Posts Subject: Re: Tu10 pd
As a result of remodeling my house, I now have less space for the
collection and need to thin it out a bit. The following items are
free for pick-up in the Los Angeles area. Priority will be given to
the first person who will take everything. Almost all of these are
"portables" so it isn't that
Glen wrote
The loader PROMs are 256x4 while the firmware PROMs are either 512x8 or 1024x8.
The firmware has some interesting code to unpack the 256x4 loader PROMs into
64x16 format in memory, and patch in the I/O select code while it is doing it.
The same 1K parts are used intercha
Alexander wrote...
-
Intersting to note: many times i have used eproms in place of these proms.
Usually, flash parts are faster, so better suited to the task.
-
Loader roms:
You may be able to get by with that on loader roms. I've never found eproms
that were functional & pin compatible.
On Sun, Sep 6, 2015 at 11:41 AM, Jay West wrote:
> Several people asked, here's the scoop:
>
> The common proms for HP 21MX M/E/F are 1K, 4K, and 8K.
>
> 1K are used for either loader roms on the cpu board or microcode on the FAB
> 4K are used for microcode on the FAB or FEM
> 8K are used for micr
I have uploaded more photos of my TU10M (it's a master with the TM
backplane installed). I also updated the design of the file listing pages
on my site to make it easier for people to find things. One of the images
shows it has the RSX-11M tape loaded.
I have been cleaning the cables, having fun
Intersting to note: many times i have used eproms in place of these proms.
Usually, flash parts are faster, so better suited to the task.
Em 06/09/2015 15:42, "Jay West" escreveu:
> Several people asked, here's the scoop:
>
> The common proms for HP 21MX M/E/F are 1K, 4K, and 8K.
>
> 1K are used
> On Sep 5, 2015, at 2:23 AM, Nigel Williams
> wrote:
>
> We would be glad to hear from anyone who might have new material
> related to the Burroughs B6700.
>
> We're on the hunt for any manuals or software related to the Burroughs
> large systems so we can build an emulator for the B6700. Thi
Several people asked, here's the scoop:
The common proms for HP 21MX M/E/F are 1K, 4K, and 8K.
1K are used for either loader roms on the cpu board or microcode on the FAB
4K are used for microcode on the FAB or FEM
8K are used for microcode on the FEM
The manuals you'll want to print and keep ha
Ethan Dicks wrote:
> On Fri, Aug 21, 2015 at 2:13 PM, Mark G. Thomas wrote:
> > I picked up a bunch of the boards too. My results have been mixed, but
> > for the price and description, I expected some wouldn't work.
>
> Sure.
>
> > 1x M8028 - DLV11-F SLU works.
> > 1x Plessey 32kW memory, work
On 09/06/2015 10:30 AM, couryho...@aol.com wrote:
was it a 160 or a 160A?
I believe the eBay lister stated that it was a 160, not the -A. So no
return jump for you...
--Chuck
I am desperately seeking NOS, working pulls or accurate replacement
switches for my MITS 8800b.
These are flattened paddle switches, both ON-OFF and MOM-Off-MOM type.
SPDT, Panel mount, solder post with a 15mm actuator. This last part is the
pain as everything I've found is 10mm or less.
I've ch
was it a 160 or a 160A?
Ed#
In a message dated 9/6/2015 9:13:38 A.M. US Mountain Standard Time,
coryheisterk...@gmail.com writes:
I'd be curious, too. I was *this close* to throwing in a bid seeing as
this turned up within driving distance...until I was politely reminded that I
have
I'd be curious, too. I was *this close* to throwing in a bid seeing as this
turned up within driving distance...until I was politely reminded that I have a
few other projects around here. The coffee can of 'spare parts' also gave me
pause. -C
On Sep 5, 2015, at 9:08 PM, Jay Jaeger wrote:
> O
Noel Chiappa wrote:
> > From: Holm Tiffe
>
> > Sorry, I couldn't find a mailing about Schematics for the KDJ11-AA,
>
> http://www.classiccmp.org/pipermail/cctalk/2015-September/011849.html
>
> > I've read that you got some documentation and want to scan it, 600dpi
> > with some
On 9/6/15 7:48 AM, Al Kossow wrote:
On 9/5/15 11:10 PM, Josh Dersch wrote:
Anyone happen to have these floppies and/or images of them?
I have several moving boxes of 5" floppies I got from Envos when the
left Redwood City
I'll see what's there. The display fonts should be common across all
On 2015-09-06 16:55, Al Kossow wrote:
On 9/6/15 6:12 AM, Johnny Billquist wrote:
I have played a little with KA-10 and KI-10. And yes, there are
similarities.
KA is built out of R/S/B series negative logic modules, which have
single-sided edge connectors.
KI was built with TTL (M series pos
On 9/6/15 6:12 AM, Johnny Billquist wrote:
I have played a little with KA-10 and KI-10. And yes, there are similarities.
KA is built out of R/S/B series negative logic modules, which have single-sided
edge connectors.
KI was built with TTL (M series postive logic) as was the PDP-8I/L/E, PDP
On 9/5/15 11:10 PM, Josh Dersch wrote:
Anyone happen to have these floppies and/or images of them?
I have several moving boxes of 5" floppies I got from Envos when the left
Redwood City
I'll see what's there. The display fonts should be common across all the D
machine software
platforms.
Well done! Thank you
On Sat, Sep 05, 2015 at 01:10:14PM -0400, Noel Chiappa wrote:
> > we now have the 11/73 prints, which I will be scanning Real Soon Now.
>
> OK, done:
>
> http://ana-3.lcs.mit.edu/~jnc/tech/pdp11/MP01890_KDJ11-A_Jan84.pdf
>
> Can the appropriate people please download t
So I have one of these Mostek memory cards, and it was non-functional, and a
Google didn't reveal _anything_ online about them.
The fault was a couple of picked bits, so I started off tracing the signal
paths for those bits from the bus fingers, to the transceivers, to an octal
latch, etc - and th
On 2015-09-06 14:38, Noel Chiappa wrote:
> From: Johnny Billquist
> Early DMA controllers were all multiple cards, so having their own
> dedicated backplanes were a pretty sane idea.
Well, there was also that large intermediate generation which still had their
own backplanes, but
> From: Johnny Billquist
> Early DMA controllers were all multiple cards, so having their own
> dedicated backplanes were a pretty sane idea.
Well, there was also that large intermediate generation which still had their
own backplanes, but they were 'system unit' (for lack of a define
On Sat, 5 Sep 2015, Al Kossow wrote:
They were common. I worked on a bunch of them. Expect the vacuum sensors to
be bad
in the columns. I think Guy still has a couple of them.
We've repaired them with cut outs from latex gloves. The problem is the
membrane that became brittle with the time. O
I am the original poster, I have two planes of cards, not 1. my link
pointed to a page with a thumbnail photo of one of the two planes, but
below that are links to more pics
http://vintagecomputer.net/digital/TU10/
Bill Degnan
twitter: billdeg
vintagecomputer.net
On Sep 6, 2015 8:18 AM, "Jay Jaeg
On 2015-09-06 02:39, Charles wrote:
Looks like I spoke too soon. The dreaded RL8A failure has returned!
I made a new OS/8 RL02 pack on vtserver (took the expected three hours
at 9600 baud console speed). Booted up the 8/A, so far so good.
But then Drive 0 faulted and OS/8 crashed... restarted an
I am going to see if I can find the card inventory and installtion guide
info for the TM11 so that I can confirm whether I indeed have one
installed in the TU10'S cabinet. So far I have found little.
Bill Degnan
twitter: billdeg
vintagecomputer.net
On Sep 6, 2015 8:14 AM, "Johnny Billquist" wro
On 9/6/2015 3:15 AM, Eric Smith wrote:
> On Sat, Sep 5, 2015 at 7:54 PM, Jay Jaeger wrote:
>> Just to be clear, a TU10, even a master, does NOT connect directly to a
>> PDP-11. Instead, a cable of the same general ilk as a BC11 UNIBUS Cable
>> (but I have not verified it is in fact the same kind
On 2015-09-05 20:25, Noel Chiappa wrote:
> From william degnan
> I was looking to see if references to the tm11 were "module/card" or
> backplane interface.
I think pretty much all that earliest generation of UNIBUS interfaces were
stand-alone backplanes (i.e. 19" wide things tha
> From: Jay Jaeger
> I would not be terribly surprised if that auction result flushed out
> one or two more.
Well, auctions like this are hopefully getting the word out that many of
these old computers are worth a lot more than scrap value.
Yes, it will cause some people to ask unrea
> From: Holm Tiffe
> Sorry, I couldn't find a mailing about Schematics for the KDJ11-AA,
http://www.classiccmp.org/pipermail/cctalk/2015-September/011849.html
> I've read that you got some documentation and want to scan it, 600dpi
> with some TIFF compression or so.. that's all.
Noel Chiappa wrote:
> > From: Holm Tiffe
>
> >> Not reading the list much, are we? :-)
>
> > Huh? Have I missed something in the near past?
>
> That would be the implication, yes... :-)
>
> But yes, you're in luck. I'm scanning them as we speak.
>
> Noel
Sorry, I couldn't f
On Sat, Sep 5, 2015 at 7:54 PM, Jay Jaeger wrote:
> Just to be clear, a TU10, even a master, does NOT connect directly to a
> PDP-11. Instead, a cable of the same general ilk as a BC11 UNIBUS Cable
> (but I have not verified it is in fact the same kind of cable) connects
> the drive to the TM11 c
List of blank for 21MX and microcode :
That would be very usefull. Thanks in advance
---
L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel
antivirus Avast.
https://www.avast.com/antivirus
Johnny Billquist wrote:
> On 2015-09-05 12:10, Johnny Billquist wrote:
> >Holm. You may call it whatever you want.
> >
> >I found your comments insulting. And following your advice I'll not
> >ignore you. Have fun.
>
> s/not/now/
>
> Johnny
>
> >
..my advice?
You don't want to ask what
On Sat, Sep 05, 2015, Josh Dersch wrote:
> Hi all --
>
> I've been working on getting a Xerox 1186 workstation up and running again,
> using the floppy images on Bitsavers. I have the "Medley" Interlisp-D
> software installed (after writing out and installing from ~25 floppies) and
> running and
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