M688 Flip Chip Unibus Power Fail Driver Modules

Henk Gooijen henk.gooijen at hotmail.com
Thu Jan 7 01:52:43 CST 2021

Van: Ethan Dicks via cctalk<mailto:cctalk at classiccmp.org>
Verzonden: donderdag 7 januari 2021 01:55
Aan: Noel Chiappa<mailto:jnc at mercury.lcs.mit.edu>; General Discussion: On-Topic and Off-Topic Posts<mailto:cctalk at classiccmp.org>
Onderwerp: Re: M688 Flip Chip Unibus Power Fail Driver Modules

On Wed, Jan 6, 2021 at 5:24 PM Noel Chiappa via cctalk
<cctalk at classiccmp.org> wrote:
> Anyone need/want a couple of these? Someone has a group of 5 for sale on eBait
> (#184317666245), and I want a couple, but not _5_. The seller didn't respond
> to a request to split up the lot, so I'd like to go in with a couple of other
> people on the. Any takers?

I'm a "maybe"... what are these found in? (I have quite a bit of early
70s PDP-11 gear).


ISTR that the M688 is optional in the RH-11 (MASSBUS interface for PDP-11),
but I am too lazy to check (still too early).

Henk, PA8PDP

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