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From: rbabel@babylon.rmt.sub.org (Ralph Babel)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Anyone own an ICD SCSI hd controler? Others mentioned..
Message-ID: <07207.AA07207@babylon.rmt.sub.org>
Date: 4 Apr 91 05:03:34 GMT
References: <91084.191834IO91461@MAINE.BITNET> <2254@wet.UUCP> <20352@cbmvax.commodore.com>
Reply-To: cbmvax.commodore.com!cbmehq!babylon!rbabel (Ralph Babel)
Lines: 20

In article <20352@cbmvax.commodore.com>,
jesup@cbmvax.commodore.com (Randell Jesup) writes:

>> On the other hand, someone mentioned recently in one of
>> the Amiga newsgroups, that because of the algorhythm that
>> ICD uses for caching, some bad stuff could happen if the
>> cpu happens to crash at certain moments.
>
> What do you mean by caching?  there are several different
> things: cpu caching of data from memory in a cache, drives
> with sector caches on them used to preread data or hold
> data already read, and cached controllers which are like
> the drive caches, but the memory is on the card (a bit
> like a fixed number of addbuffers).  CPU caching shouldn't
> cause any problems with ICD.

True. Philip was referring to ICD's deferred writing of disk
sectors, however.

Ralph