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From: papa%USC-CSE@USC-ECL.ARPA
Newsgroups: net.micro.pc
Subject: Microsoft SystemCard Clock I/O Addresses
Message-ID: <428@sri-arpa.UUCP>
Date: Wed, 25-Jul-84 13:03:27 EDT
Article-I.D.: sri-arpa.428
Posted: Wed Jul 25 13:03:27 1984
Date-Received: Sat, 28-Jul-84 08:03:54 EDT
Lines: 27

From:  Marco Papa <papa%USC-CSE@USC-ECL.ARPA>


I would like to know whether anyone on the net has information about the
I/O addresses of the Clock-Calendar chip of the Microsoft SystemCard.  The
documentation that comes with it is absolutely terrible.  It just says that
"the SystemCard clock/calendar is similar to the IBM system clock".  A call
to Microsoft Product Support Department produced nothing since they cannot
disclose this information.  A very different policy from AST that documents
thoroughly everything about its hardware.  I would like to use the
SystemCard with PC/IX as Herm Fisher's astclock program in the info-ibmpc
library.  The I/O addresses I am looking for are as follows:

counter - seconds
counter - minutes
counter - hours
counter - day of the week
counter - day of the month
counter - month
counter - year (-80?)

Thanks for any help.

Marco Papa

ARPA, CSNET: papa.usc-cse@csnet-relay
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