At the Hara Arena in Dayton, there are three events per year that relate to
this list: the Hamfest in May and the Computerfest in March and August. I
only went Sunday this year as opposed to my traditional Saturday. Since I
didn't go for modern PC parts, I found the selection to be sparser than ever.
Scattered throughout the back rooms there were the piles of $3 to $5 boards
of various vintages. I did manage to get a pair of DEC-Tulip-chipset 10/100
cards for $3 each and a wad of Microchannel boards (Ethernet and SCSI) for
someone else in a $15 "all you can stuff bag".
Besides a few cards, the only interesting thing I picked up was an Apple
QuickTake 150 digital camera with external battery pack and PSU for $35.
One drawback: it came with a PC cable (DIN-8 to DE-9) and I only have the
Mac software. The Mac cable is typically grey with an icon molded into
both ends of a pair of arrows pointing opposite directions and a stretched
"S" line between them indicating that it's a crossover cable. I do have the
pinouts for the camera, but if I were to make a cable, I'm not sure what all
the matchups are for RS-422. The Apple Technote pages show how to make a PC
cable, but that's the one I already have.
So... does anyone out there have a Mac "null-modem" cable they'd like to get
rid of? Alternately, does anyone have the PC software? It's for Win3.1, but
at least I'd be able to dump the camera.
Thanks,
-ethan
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><The BA11-MA's supply looks to have a smaller footprint than the BA11-V. As
><best as I can tell from the fiche. I do know the -MA's are physically
clos
><to a dual TU58EX. At most a couple inches larger.
>
>The footprint of the MA has to be larger or its taller. The quad backplane
>is the size of the BA11VA! If you have the quad wide backplane then the
>power supply will cube out the BA11-VA case. I'm looking at the VA as I
>write. and the dual wide backplane fills half the case and the PS is the
>other half.
The H780 supply is about 3 inches wide IIRC and mounts beside the card cage.
That would make it a couple inches wider than the TU58EX.
Dan
The local Saint Paul Pioneer Press is running a story about my computer collection in this Monday's Tech Section of the paper. I spent two parts of two days with the reporter and another day getting my picture taken with a few items from the collection. I will try and scan it in and put it on my web site as soon as I get it up. Had a very good weekend and will writing up my finds on Monday.
Hi,
Well for what it's worth, IBM still offers a bunch of random ancient manuals
through the POS (publication ordering system), at
http://www.elink.ibmlink.ibm.com/public/applications/publications/cgibin/pb…
That's one nasty address, isn't it? ;p Anyway, I was searching around in
there, and among other things, I ordered "IBM 360 model 67 functional
characteristics" (GA27-2719). I'm going to call other vendors when I have
time, I wanna see if I can get some 470 manuals from Amdahl, for instance.
Unfortunately, I can't find the rest of the docs I need for my 8100's or for
DPPX/SP, odd that I can't get manuals less than 20 years old but can get 360
manuals... Also, I know this will interest some of the list; assorted card
punch manuals are available too.
Will J
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<The BA11-MA's supply looks to have a smaller footprint than the BA11-V. As
<best as I can tell from the fiche. I do know the -MA's are physically clos
<to a dual TU58EX. At most a couple inches larger.
The footprint of the MA has to be larger or its taller. The quad backplane
is the size of the BA11VA! If you have the quad wide backplane then the
power supply will cube out the BA11-VA case. I'm looking at the VA as I
write. and the dual wide backplane fills half the case and the PS is the
other half.
Allison
ALSO, the unit is VERY under powered. The DEC specs say only 16 amps
<> on the 5 volts which also includes the video interface and the AVO optio
<> if you want a full screen 132 character display. I suggest that if you u
<> a Quad 11/73 with the RQDX3, you are probably OK. But not much else.
<
<I no longer need 132 columns to be fulfilled, so the AVO can be omitted.
The AVO option really doesn't draw that much power and in the overall
scheme it's far from enough.
<I'd be attempting a dual 11/73, NS 256Kb, Sigma DLV11, and CMD 220 TM SCSI.
<that doesn't work, I'll try taking out the DL and memory and using an MXV11
<though I recall those only have 32Kb or 128kb, which would make it pretty
<difficult to run RSTS/E.
That should work but the disks will have to be in their own box with their
own power. There isn't enough power there for most disks.
<Good advice for _any_ qbus system. I learned that the hard way, running 4-
<SCSI devices (2 sets mirrored) in a BA23 chassis, and wondering about the
<mysterious lockups. External drive chassis eliminated those, though cable
<lengths became very critical.
I'd limit that comment to ba23. My BA11S 11/73 has a full bus and powers
floppy and two RD52s off a custom harness.
<What I'm really hoping for is what was I think called a BA23-SE or BA11-SE
<'twas a desktop 4-slot enclosure, maybe even 4x2?
You thinking of BA11-VA, dual width by four slots, 4"x13x12 roughly.
That would work but you still need an external disk box. I have several
of those with 11/2, 11/23 cpus. The larger of them is 11/23, 256k, dlv11j,
MRV11B(tu58 boot).
There never was a ba23SE that small as the BA23 was one size (about 5
different backplane and front button combos.
Allison
A friend was cleaning out his garage this weekend and
came up with a few boxes of manuals (no software, alas)
that may be of some interest here. The manuals are free
(you pay postage) but I would like to entertain trades
for other documentation, where possible. Of course, I'll
simply accept "karma points" for later use if you don't
have anything tasty right now <g> (but I do have a good
memory...)
Contact me off-list to make arrangements. First-come
first served. Decision of the judges is final. No refunds.
Some segments may be missing.
The list can be found at:
http://www.ao.com/~go/doclist.txt
Briefly the list includes a set of RT-11 V5 orange binders,
some VT100 docs, some Emulex docs, some TSX-11 manuals
and some miscellany. (Miscellany includes a "service manual"
for an Osborne computer - I *think* Osborne 1.)
As I said, there is ONLY documentation - no software (I guess
I was too late in asking...) But at least these got saved.
If you have trouble accessing this site, let me know and I'll
email a copy of the two lists.
I've also posted my "want list" under
http://www.ao.com/~go/wantlist.txt
-Gary
>> > I think what you are looking for is the BA11-MA. Desktop 4 slot Qbus
the
>> > same approx. size as a dual TU58.
>>
>> I thought that was the BA11-VA? That's what mine say on them anyway,
>
>Yes, I thought it was the BA11-V as well.
>
>> and yeah they look very much like a TU58, but with a 4x2 18-bit
backplane.
OK you got my curiosity up as I was going by my memory. I just looked both
the BA11-V and the BA11-MA up in the microfiche as I sold the last BA11-MA I
had 6 to 9 months ago. The -MA is a quad wide, 4 slot card cage (H9270A
backplane with the H780A power supply) -MA is 115v and -MB is 230v The
other variants are -ME 115v, -MF 230v, -MH 115v w/ no logo, -MJ 230v w/ no
logo.
The BA11-V is dual wide 4 slot card cage with the H9281BA backplane. I have
not had one of these but I have had several of the -MA's.
The BA11-MA's supply looks to have a smaller footprint than the BA11-V. As
best as I can tell from the fiche. I do know the -MA's are physically close
to a dual TU58EX. At most a couple inches larger.
Dan
>I'd be attempting a dual 11/73, NS 256Kb, Sigma DLV11, and CMD 220 TM SCSI.
If
>that doesn't work, I'll try taking out the DL and memory and using an
MXV11,
>though I recall those only have 32Kb or 128kb, which would make it pretty
>difficult to run RSTS/E.
The MXV11 has 8K for the -AA and 32K for the -AC.
>What I'm really hoping for is what was I think called a BA23-SE or BA11-SE,
>'twas a desktop 4-slot enclosure, maybe even 4x2?
I think what you are looking for is the BA11-MA. Desktop 4 slot Qbus the
same approx. size as a dual TU58.
Dan
Hello fellow-subscribers,
I have some 3rd party boards around that I would love to have identified, these are probably all pulled from PDP11 systems.
Versatec Controller 122, full metal handle, one 3M connector marked "differential" (HEX)
Dataram 40871 handwritten: Assy: 65123 S/N: 107, two white handles, one 3M connector (QUAD)
ACT 10198-0 or 10197-0, (c) 1983, two white handles, two 3M connectors, one Z80A (QUAD, most likely UNIBUS)
Thanks in advance,
Erik.