On 5/11/2013 4:13 AM, Rik Bos wrote:
  Bob,
 Those hp parts, the expansion bus uses them also.
 If you don't use a rom module you can use on of them, they're located near the
rom connector.
 Rik
 -----Oorspronkelijk bericht-----
 Van: "Bob Rosenbloom" <bobalan at sbcglobal.net>
 Verzonden: ?11-?5-?2013 07:40
 Aan: "On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
 Onderwerp: HP 1820-1584 IC replacement?
 
Thanks Rik, that was a great idea. Swapped the chips tonight and I now
have a working plotter.
I sure hope other chips don't die.
Bob