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From: gmz@well.sf.ca.us (Gerry Zeitlin)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Rev 4.4 motherboard viable?
Keywords: motherboard rev 4.4
Message-ID: <23199@well.sf.ca.us>
Date: 17 Feb 91 02:52:43 GMT
References: <1219@xroads.UUCP> <18987@cbmvax.commodore.com>
Organization: Whole Earth 'Lectronic Link, Sausalito, CA
Lines: 27

In article <18987@cbmvax.commodore.com> daveh@cbmvax.commodore.com (Dave Haynie) writes:
>In article <1219@xroads.UUCP> gmz@xroads.UUCP (Gerry Zeitlin) writes:
>
>>I've been advised by a local retailer to upgrade my rev 4.4 motherboard
>>to the latest from Commodore (via a swap-out offer, approx $350 +
>>installation).
>
>
>There is one known problem on some Rev 4.4 boards.  In conjunction with a
>DMA driven hard disk, a certain brand of 74ALS245 chip used in the U605

I have a GVP disk controller with a Quantum 40 Mb hard drive on the
GVP board.  Would this be the configuration that would cause the
problem?

Also, the 68000 chip on my motherboard is not the Motorola chip.  It
has a large "S" on it.  I have heard that this chip is noisy and ought
to be replaced with a Motorola chip.  This was told to me by tech
support at Preferred Technologies, who manufacture the Aries board.
It certainly would be an inexpensive remedy.  Think this could solve
my problem?

Thanks for your assistance!

>
>>G E R R Y  Z E I T L I N			(602) 996-1661
>