Static blown serial port on Toshiba T3200

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Article #8116

#8116

From: art.l.todesco
Date: Tue, 05 Dec 1989 18:35

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The serial port on my Toshiba T3200 was recently blown by a zap of static from
a hand touching the serial cable.  It seems the 3 serial port drivers on the 
are ok, (I think), but of the 5 receivers 4 show 0 volts and 1 is stuck at 9.4
volts.  I guess this one is probably the bad one.  I recently fixed a similar 
problem in a full size PC by replacing the receiver/driver chips on the mother
board, however, the 3200 is much more compact.  Does anyone know where on the 
mother board the receivers reside and what code they might be?

Thanx,
Art Todesco
att!ihlpf!alt

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!zaphod.mps.ohio-state.edu!usc!rutgers!bellcore!att!cbnewsd!alt
From: alt@cbnewsd.ATT.COM (art.l.todesco)
Newsgroups: comp.sys.ibm.pc
Subject: Static blown serial port on Toshiba T3200
Keywords: Toshiba T3200
Message-ID: <3501@cbnewsd.ATT.COM>
Date: 5 Dec 89 18:35:25 GMT
Distribution: na
Organization: AT&T Bell Laboratories
Lines: 11