Early PDP-11/45 backplane SPC power

william degnan billdegnan at gmail.com
Tue Jun 28 13:55:27 CDT 2016


DD11A or B would have power to CA1 unless you remove the wirewrap, right?

On Tue, Jun 28, 2016 at 2:52 PM, Fritz Mueller <fritzm at fritzm.org> wrote:

> On 06/28/2016 09:33 AM, Fritz Mueller wrote:
>
>> ...the power distribution table in EK-11045-MM-007, page 510, implies
>> that +15 should be distributed to the SPC slots on CA1.  I'm wondering if
>> this is a typo, since I'd expect that pin to be NPG? The DL11-E looks to be
>> expecting +15 on UA1 in any case.
>>
>
> (Typo'd that last sentence -- should say "CU1").
>
>


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