Path: utzoo!attcan!uunet!world!decwrl!bacchus.pa.dec.com!shodha.enet.dec.com!elvira!ridder
From: ridder@elvira.enet.dec.com (Hans Ridder)
Newsgroups: comp.sys.amiga
Subject: Re: Quetsions about the 3000...
Message-ID: <1791@shodha.enet.dec.com>
Date: 9 Oct 90 13:39:56 GMT
References: <90276.132159IO91461@MAINE.BITNET> <14916@cbmvax.commodore.com>
Sender: news@shodha.enet.dec.com
Reply-To: ridder@elvira.UUCP (Hans Ridder)
Organization: Digital Equipment Corporation, Customer Support Center
Lines: 27

In article <14916@cbmvax.commodore.com> daveh@cbmvax.commodore.com (Dave Haynie) writes:
>The last revision of the SCSI chip had bugs that broke reselect
>capability at the high level of software, so the A2091 and A3000 SCSI
>drivers solved the problem using low level commands.  The new release of
>the chip fixed the high level commands but broke the low level commands.
>So, in multi-drive 2091 or 3000 setups using this chip, it is best to
>say "no" to the "supports reselect" option in HDToolBox, and everything
>is cool.

Except a bit of SCSI bus bandwidth is wasted, right?

>A new device driver will apparently fix this, going to the fixed high
>level commands in the new chip.

So, does this mean that the 2091 (and 3000) using the new driver will or
won't support reselection?  From your description, it sorta sounds like
the problem was fixed by just not doing reselection in the driver....

>Dave Haynie Commodore-Amiga (Amiga 3000) "The Crew That Never Rests"

-hans


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  Hans-Gabriel Ridder			Digital Equipment Corporation
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