I also saw some notes about different wiring harnesses for different serial numbers. A lot to be careful with.
On Thu, Sep 20, 2018 at 1:22 AM, Paul Anderson <used...@gmail.com> wrote: > I grabbed a 11/60, 11/35 system manual. wanting to see hot power was set > up in the BA11-D and -K, only to find it dealt with the BA11-F only. > > It does state the H754 in used with the MF11-U/UP. needless to say, there > are different plugs for slot "E" and possibly a change or a jumper. > > I will look for a 11/35 book specifically next time I go downstairs. > > My 11/40 does have 2 H745s in it. I see no reason to use both at this > point. I think one can supply enough current unless you overload it with a > bunch of 8K core. > > I plan on putting either 8 16K core stacks in(for winter only) or an > MS11-LD (256KB). > > Pierre, a lot of my bricks are buried. I'll try to did them out tomorrow. > > Thanks, Paul > > On Wed, Sep 19, 2018 at 4:09 PM, Eric Smith via cctalk < > cctalk@classiccmp.org> wrote: > >> On Tue, Sep 18, 2018 at 8:27 AM, Noel Chiappa via cctalk < >> cctalk@classiccmp.org> wrote: >> >> > (Note that if you have an old >> > machine/harness, there's a jumper you have to add if you have only a >> single >> > H745; see the second paragraph on page 6-18 of DEC-11-H40SA-B-D.) >> > >> >> I totally missed that. It wasn't in the previous edition, >> DEC-11-H40SA-A-D. >> >> However, now I see that both editions mention that the H744 in slot C is >> optional, which I also was not previously aware of. >> >> Although I've had a few 11/40 machines, I didn't often have to do anything >> about the power supplies other than check the DC voltage and ripple. >> > >