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From: cliff@fubar.UUCP (Cliff Elam)
Newsgroups: comp.sys.att
Subject: combo board questions
Message-ID: <153@fubar.UUCP>
Date: Wed, 30-Sep-87 01:27:55 EDT
Article-I.D.: fubar.153
Posted: Wed Sep 30 01:27:55 1987
Date-Received: Sun, 4-Oct-87 23:11:29 EDT
Organization: fubar - NC's public access UNIX
Lines: 29
Keywords: installed but no mem recog

I just finished putting togeather my 0.0K combo board.  I followed
the list put out by Craig Votava (ihnp4!looney!cmv) with the following
amendmants: I used a 74LS74 instead of a 74ALS74 and I made the 33 ohm
resistor netwoks out of 33 ohm resistors like this:

    pin:  1  2  3  4  5 ....
	  -------------    (there are more pins but that would be boring)
	  |  |  |  |  |    (each individual resistor is 33 ohms) 
	  |  <  <  <  <
	  |  >  >  >  >
	  |  <  <  <  <
	  |  >  >  >  >

When I put the board in (after disconnecting my HD - just call me
freshly backed up and paranoid) I booted off floppy and the 7300
recognized the Combo board in slot one, but no expansion memory.
Hmm, thinks I, bad news.  I double checked the jumpers (W1 && W2),
the chip orientation, the chip temperatures (feel normal to me),
everything.

Do I need some s/w drivers that I don't have?  Thoughts?  Anybody
with a scope-brain interconnect have any ideas?

-cliff elam
(919) 942-6024 (v)
      967-4249 (d)
-- 
{ihnp4!mcnc}!ethos!fubar!cliff
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