Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cbmvax!steveb
From: steveb@cbmvax.commodore.com (Steve Beats)
Newsgroups: comp.sys.amiga
Subject: Re: 68030 cache in A3000
Message-ID: <11452@cbmvax.commodore.com>
Date: 9 May 90 08:44:19 GMT
References: <9005090151.AA18998@jade.berkeley.edu>
Reply-To: steveb@cbmvax (Steve Beats)
Organization: Commodore, West Chester, PA
Lines: 15

In article <9005090151.AA18998@jade.berkeley.edu> C506634@UMCVMB.MISSOURI.EDU ("Eric Edwards") writes:
>How is the data cache handled in the 3000?  On the 2500/30 the cache must
>be disabled when using DMA hard disk controlers since they don't flush the
>cache.

The SCSI driver for the A3000 knows all about data caches and flushes them
appropriately.  In fact, the latest version of the 2091 driver also checks
for the presence of an 030 and flushes the data cache on reads too.  So, it`s
safe to enable all the caches you want, it`s in there :-)
-- 
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