Subject: Re: old hp345 hardware problem
To: Michael Lorenz <>
From: Michael Wolfson <>
List: port-hp300
Date: 08/16/2000 18:07:32
At 7:33 AM +0200 8/16/00, Michael Lorenz wrote:

:)> handshaking lines are wrong.  The earlier "Human Interface Board" had a
:)> DB25 with correct wiring (for the 320 and similar machines).

:)Hm, my 320's Human Interface Board has a female DB9 with nonstandard
:)( DIO-I; has slow HP-IB, HIL and this DB9 serial )

Huh.  Coulda sworn my 320 had a DB25.  In any case, I only know the HP
wiring for their DB9 connector (all I did was take a multimeter to the
special HP 9 to 25 cable).  I'm not sure, but I think the interface boards
with DB25 "just work".

  -- MW