[sebhc] Identify This Board?

[Jack Rubin]

Eric,

I'm pretty sure its one of the boards I gave you that I rescued from US
Energy controls, a company that developed custom H8's for building
energy controllers. In addition to a series of control and memory boards
they also developed a custom front panel control pad. Someday (maybe
even before I scan the HDOS source docs), I'll unearth the carton full
of boards and chassis and post some pics.

Meanwhile, I can only hope that I have more outbound than inbound
traffic for a while as I clear the shelves and recharge the hobby budget
account.

best,
Jack

> -----Original Message-----
> From: sebhc-bounces at sebhc.org 
> [mailto:sebhc-bounces at sebhc.org] On Behalf Of Eric J. Rothfus
> Sent: Monday, February 20, 2006 6:19 PM
> To: sebhc at sebhc.org
> Subject: [sebhc] Identify This Board?
> 
> 
> Has anyone seen one of these?
> 
> http://www.rothfus.com/board.jpg http://www.rothfus.com/number.jpg
> 
> It simply MUST be an H8 board, and it looks to be
> an EPROM experimenters board given the 3 zif
> sockets and extra pad area.  It's marked:
> 
>     FF1078-MEMORY PWB ASSY
> 
> There are no chips populated in the board.  It
> appears to be in good shape, too.  My guess is
> that it is NOT Heathkit, given the lack of what
> I'd recognize as a Heathkit part number.
> 
> I don't even remember where I got the board.  Jack
> - did you give this to me?
> 
> I didn't take a picture of the back, but the three
> 24-pin sockets have ALL pins connected together,
> with the exception of pin 20.  Chip-select, no
> doubt.  I'm guessing a 2716 (a 2k-byte EPROM).  If
> so, the chip-enables are all wired together, and
> the output-enable is selected as necessary.
> 
> In any event, I'm clearing/cleaning out space for
> an incoming Altair!  :-)
> 
> Eric
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