Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!hplabs!cello!sears From: sears@cello.hpl.hp.com (Bart Sears) Newsgroups: comp.sys.hp Subject: Re: Mux card reset Message-ID: <1991Mar06.223031.3831@cello.hpl.hp.com> Date: 6 Mar 91 22:30:31 GMT References: Reply-To: sears@cello.hpl.hp.com (Bart Sears) Distribution: comp Organization: Hewlett-Packard Laboratories Lines: 20 I am not sure what you mean by a box full of 98642A and 98544A cards. A 98544A card is a 1024x968 BW display card. However, I do have a suggestion for your problem with the ports on the 98642A card (this is a 4 port serial mux card). It turns out that one of the pins on the three "non-modem" ports is a test pin which should not be attached to anything. If it is hooked to something, that port will go into "test" mode. If this happens during boot, the card will fail selftest. I have also seen cables where the test pin is hooked to one of the wires in the cable but not attached to the device on the other end. This wire becomes a nice antenna which will occasionally throw the port into test mode which will make it seem to "freeze up". Since the connectors on the back of the board are RJ-(13?? (ie telephone)) connectors, you either want to cut that pin out of the connector or use a short cable to an adapter box where you "free" this line). I also seem to recall that there may have been a service notice on this card. You should check with your HP support person. Bart Sears sears@hplabs.hpl.hp.com