> From: Todd Goodman
> There aren't many deals to be found on eBay anymore (IMNSHO anyway) for
> vintage computer gear. Test equipment is a different story.
Well, it still does happen occasionally. Someone (no idea who) recently got a
really nice BA11-S for only $80 (admittedly, in part because I was confused
about the closing time, and missed that auction :-). Although I guess
"occasionally" is pretty much the same as "not many", so I guess you're right.
If people are willing to buy lots (i.e. N things in a group), you can also
get good deals. E.g. I know of recent lot that included 4 11/73 CPU cards; it
turned out that although only one worked straight off, the J11 chips on the
other three were all good - and the whole lot (including a bunch of other
boards, all working) was only like $250.
I have a software driver for an old scientific instrument that is
described in a brief manual this way:
"The acquisition driver is a tool that allows developers to write their
own Windows based programs that
can acquire data from any Michelson series spectrometer. The programs
can be developed with any
programming environment that supports calling standard Windows 16bit
DLLs. Examples of such
environments are Visual Basic and Visual C++ from Microsoft ( up to
version 1.5 ), Delphi and C++
>from Borland, Labview from National instruments. This document assumes
that the reader is familiar
with all the concepts surrounding DLLs and Windows programming. It is a
reference guide that explains
the parameters of the functions that make up the Bomem acquisition
driver and how they are used to
I recently purchased Visual Basic 4.0 Standard Edition, but the first
pages of the reference indicate that it is a 32 bit only version.
Which version of Visual Basic will allow me to call this driver?
> On 4/14/15 2:07 AM, Nigel Williams wrote:
>> I hope someone is able to rescue this system
For those who were interested in this thing's fate, I just picked it up, and
it's sitting safely in my garage, waiting for the new owner to arrange
It's in really good shape inside (unlike my rodent 11/34's :-), and the cards
look like they are all there. (If anyone's particularly interested in this
machine, email me - _not the list_! - and I'll send you a copy of my detailed
report to the new owner on its condition.)
> From: Al Kossow
> There are a couple of obvious things missing, like the cold-start
Actually, there _is_ one of those there, still in the casette drive. Not sure
how good a shape it's in after this long (or the casette drive, for that
> and any disk drives.
Oddly enough, the seller did have two Burroughs packs (4 platter, I think).
Not sure if they are from this machine, or what's on them - or how one would
ever find a drive to read them on!
> dumps of the tapes would be a good thing
Alas, the tapes appear to be un-connected to the machine.
I feel a bit stupid, since I tore apart a lot of machines so I should be
able to remove the card cage... but...
I removed back covers and the two screws which hold the cage in place.
I pulled gently the card, and I encountered a fair amount of resistance.
Looking into the chassis (there's a hole under the cathodic tube) I
noticed that the yellow flat cable (coming from the power section)
blocked the cage on the left.
Freed the cage I couldn't extract it completely, since the cage fan
cable and a semitransparent flat cable (both disappearing internally,
can't say where by now) are very short. I was barely able to remove the
cage metal top cover.
The semitransparent flat cable starts from the I/O Cable Driver card in
the "A" position...
Am I missing something?
The manual has images of the card cage fully extracted still connected
to the cables, but I wasn't able to do this.
Vincenzo (aka Supervinx)
My computer collection:
You can reach me at:
> From: Nigel Williams
> Do any of the tape labels suggest original distribution media? if so
> would you be willing to share some of the descriptions please.
None of the tapes have descriptive labels; all have only large labels with
4-digit numbers. In other words, they look like somsone's data tapes.
One has a label from the Durham Insurance Company; a letter (which I found in
the base of one of the cardboard boxes which held the tapes) is from the
North Carolina Department of Public Instruction, and says that they received
a "gift of a large number of used magnetic tapes" from that company, which
they are handing out for free.
Like I said, the tapes are useless.
Just clearing out stuff this spring.
5.25 inch FDD- 360KB
3.5in FDD 1.44mb
Has Windows 95 installed on it and a Voodoo 2 Card in it.
Used to be my DOS Gaming machine, but ive since replaced it with
Was given to me, So its Free for the cost of shipping to anyone who
wants it, Or wants to come pick it up in Farwell Michigan
> From: Jorg Hoppe
>> Much of the M9312 ... was quite different [from the M9301]
> ... here is the commented source code of all M9312 bootloaders.
> Very likely the actual PDP-11 code is identical to M9301
> From: Jorg Hoppe
>> Here's what I have so far:
> Thanks for that effort!
Eh, de nada. Interesting and educational.
> The M9312 code should be similar, at least it may expose some ideas
Some parts of it (e.g. the CPU diagnostic) are mostly identical (and the
comments there, particularly on the single-op register instructions, are
useful to total understanding of that code in the M9301); but alas, I had
already done that part of the M9301 (at least, at a surface level)!
Much of the M9312 (including the functionality of most of what I had yet to
read in the M9301) was quite different. I did manage to get the 'print
number' code out of it, but that was pretty much it.
So I've done a lot of the remaining M9301-YA code (new version uploaded to
location above); not the per-device code, I'll probably blow that off, but
other than that, only a few tiny sections remain to be understood.
Can someone with a M9301-YA please verify for me that location 165450
contains 0770? I think that perhaps that is wrong, because the code makes no
sense if that's correct - maybe a bit has been dropped, or something?
And if anyone has a good M9301-YB, I would appreciate a dump. (I do have one,
but don't - yet - have a running UNIBUS -11 to plug it into.)
> From: Don North
> I've had two DL11-W in my 11/34A BA11-K box for years and have never
> had an LTC issue. I suppose if you had a a larger number (say four or
> more) you might possibly see an LTC issue
Hey, all I know is what's in the manual (which Josh posted). :-)
I'd forgotten there was a jumper you could pull - I tend not to like to do
things like that as it makes the cards non-pull-and-plug interchangeable. Hence
my suggestion to 'just use an M7800'.
I have an old terminal available in Houston. It is a red terminal with
Bendix and Logicport 2 printed on the front next to the side of the screen
and an acoustic coupler on the top. It comes in a big red carrying case.
Need to move this out if anyone is interested contact me off list otherwise
I guess I'll have to take it to the recycle center. Would rather see it go
to someone who could use or enjoy it.