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From: root@conexch.UUCP (Larry Dighera)
Newsgroups: comp.sys.intel
Subject: Erratum 21
Summary: How can you determine which '386s have the bug?
Keywords: '387 coporcessor, paging mode, PEREQ
Message-ID: <9220@conexch.UUCP>
Date: 13 Oct 88 21:25:11 GMT
Reply-To: root@conexch.UUCP (Larry Dighera)
Organization: The Consultants' Exchange, Orange County, CA.  (714) 842-6348
Lines: 17


Can anyone tell me how to determine which 80386 chips have the erratum 21 
problem?  This only manifests itself in systems with a '387 coprocessor
using the paging mode and activating the PEREQ line.

Surely there must be some way of identifing these chips without having
to test them.  Intel hasn't been too helpful yet.  They either don't
return my calls or don't know the answer.

Larry Dighera


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