2 Jan
2003
2 Jan
'03
7:17 a.m.
From: "Sellam Ismail"
<foo(a)siconic.com>
On Thu, 2 Jan 2003, John Lawson wrote:
> On Thu, 2 Jan 2003, Vintage Computer Festival wrote:
>
> > I've got the PICK CHECK signal from the reader going into CB2. I have
a
1K resistor going from CB2 to ground.
^^^^^^^^^^^
Try changing to 5K or even 10K (what I always use for pull ups/downs in
TTL work. I think you're burying the poor PICK CHECK signal. Actually
all the resistors oughta be 10K, IMHO.
Sellam Ismail Vintage Computer
Festival
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