Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!van-bc! From: lphillips@lpami.wimsey.bc.ca (Larry Phillips) Newsgroups: comp.sys.amiga Subject: Re: How do you tell it's an 8520? Message-ID: <2253@lpami.wimsey.bc.ca> Date: 20 Nov 90 08:08:17 GMT Lines: 31 Return-Path: To: van-bc!rnews In <90323.223151JKT100@psuvm.psu.edu>, JKT100@psuvm.psu.edu (JKT) writes: >A friend of mine accidentally made a bit of a mistake with his Ami; >switched his parallel port switchbox without powering down first. >Now nothing will print to the printer and PerfectSound won't >receive any signal in the port at all. > >Judging by the posts I've seen in c.s.a in the past, I believe he >might have blown one or both of the 8520 chips (is that the right number?) >So the questions are: >1) How do we verify they are the dead components in question? Swap the two 8520s. If the modem stops working, one of them is bad. >2) How hard are they to replace? Socketed? (please say they are) They are socketed. >3) Any recommendations on where to get them? Through a dealer. They are Commodore designed/made chips, and not available in general parts places. -larry -- The only things to survive a nuclear war will be cockroaches and IBM PCs. +-----------------------------------------------------------------------+ | // Larry Phillips | | \X/ lphillips@lpami.wimsey.bc.ca -or- uunet!van-bc!lpami!lphillips | | COMPUSERVE: 76703,4322 -or- 76703.4322@compuserve.com | +-----------------------------------------------------------------------+