On 9/16/2015 1:23 PM, Noel Chiappa wrote:
> > From: tony duell
>
> > Do you have a URL for the prints (to save me going through all possible
> > candidates on bitsavers)?
>
> Yeah, as per my 'where are subsystem prints' page, they are in the 11/23
> print set MP00740, pg. 81-87 (schem
>
> Yeah, as per my 'where are subsystem prints' page, they are in the 11/23
> print set MP00740, pg. 81-87 (schematic on pg. 87):
OK, got it... A one page schematic, a board witht 4 ICs. Shouldn't be too
hard...
(famous last words!)
OK, first thing, the things that look like op-amps are in fa
On 9/16/15 11:23 AM, Noel Chiappa wrote:
https://archive.org/details/bitsavers_decqbusMP0_10391074
(Doesn't seem to be on BitSavers?)
http://bitsavers.org/pdf/dec/qbus/MP00740_1123_schem_Oct81.pdf
> From: tony duell
> Do you have a URL for the prints (to save me going through all possible
> candidates on bitsavers)?
Yeah, as per my 'where are subsystem prints' page, they are in the 11/23
print set MP00740, pg. 81-87 (schematic on pg. 87):
https://archive.org/details/bitsaver
On 16/09/15 14:36, Noel Chiappa wrote:
Alas, neither seems to be available online. (The BA11-N is EK-BA11N-TM-001;
the BA11-S is in the "PDP-11/23B Mounting Box Technical Manual",
EK-23BMB-TM-001.)
I guess they're not much use to you, but both the user guides
(EK-BA11N-UG and EK-23BMB-UG-001) a
On 9/16/15 6:36 AM, Noel Chiappa wrote:
Also, this page:
http://ed-thelen.org/comp-hist/Book-Catalog.html
which claims to be the "Book Catalog (incomplete) of the Computer History
Museum, as of July 27 2002" says they have one. Would it still be there,
and is there any chance that, if so, i
> So, I'm trying to fix a broken Power Monitor Boards (the thing that drives
> ACLO/DCLO) in an H786 (BA11-N power supply), and although I have the prints,
> I can't make head or tail out of them.
>
> (The circuit is a maze of op-amps and 555's. OK, OK, so maybe an analog guy
> can take one quic
