M200 interfacing continues...

From: John Lawson <jpl15_at_panix.com>
Date: Thu Jan 2 13:16:01 2003

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.



   Cheers

John
Received on Thu Jan 02 2003 - 13:16:01 GMT