*BSD News Article 17398


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Path: sserve!newshost.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!haven.umd.edu!uunet!spcvxb!mauritz_c
From: mauritz_c@spcvxb.spc.edu
Newsgroups: comp.sys.intel,comp.os.386bsd.misc,comp.periphs.scsi
Subject: Re: Adaptec AIC6260 SCSI-chip, Intel PC and 386BSD
Message-ID: <1993Jun22.134648.6384@spcvxb.spc.edu>
Date: 22 Jun 93 13:46:48 EDT
References: <JARLE.93Jun21180333@storlind.idt.unit.no> <206lflINN918@bonnie.tcd-dresden.de>
Organization: SPC Community Access System
Lines: 34

In article <206lflINN918@bonnie.tcd-dresden.de>, j@bonnie.tcd-dresden.de (J Wunsch) writes:
> In article <JARLE.93Jun21180333@storlind.idt.unit.no> jarle@idt.unit.no writes:
>>
>>Hello,
>>
>>I'm considering purchasing an Intel PC box (Professional workstation/GX).
>>The technical product summary says that there is an AIC6260 SCSI-controller
>>(from Adaptec) integrated on the motherboard, and that the BIOS' low level
>>drivers are Adaptec-152x compatible...
>>
>>I am planning to run 386BSD/NetBSD on this box and would therefore like to
>>know: 
>>	a) Has anyone used this box with 386BSD and SCSI-devices?
>>	   If so, did you use the Adaptec-drivers in the kernel
>>	   (154x/174x-compatible) or did you write your own drivers?
> 
> All i can tell you:
> We've got another box with an AIC6260. It's running under DOS for
> some other reason, and runs fine there. (The SCSI disk is the only
> disk.) But any attempt to boot a BSD (with either the old `as' driver,
> or Julian's driver) didn't recognize the SCSI adaptor - so you'll
> need to get some more h/w info (from Adaptec?), and should eventually
> consult julian@dialix.oz.au before starting off.

I've also heard from other people that this chip is rather slow in
terms of transfer speed.  I was told that the maximum the guy could
get out of it was ~500k/sec.  I have never used the chip myself,
but that could lead to an annoying bottleneck for a multitasking/user
system.

Cheers,

Chris