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Date:      Mon, 13 Feb 1995 12:55:30 +0059 (MET)
From:      Andreas Schulz <ats@g386bsd.first.gmd.de>
To:        hasty@netcom.com (Amancio Hasty Jr)
Cc:        gibbs@estienne.CS.Berkeley.EDU, hasty@netcom.com, FreeBSD-hackers@wcarchive.cdrom.com
Subject:   Re: My iozone results
Message-ID:  <199502131155.MAA03876@g386bsd.first.gmd.de>
In-Reply-To: <199502130326.TAA02806@netcom14.netcom.com> from "Amancio Hasty Jr" at Feb 12, 95 07:26:26 pm

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> >Do you have any more info on your instability problems?  Is it stable
> Nope, and I am seriously thinking about taking the 2842 back.
> I think it has problems. Went to DOS to play a little DESCENT,
> when I booted back to FreeBSD failed to detect my scsi hard drives.
> I managed to eventually get the scsi drives to be detected by
> switching the drives on/off. When I have my smc ethernet installed
> the adapter and my Actix S3 864 have serious problems like the
> wrong colors show up at boot time. I did manage to boot
> correctly once when I tried to use my ethernet card I got
> and instant crash. This happened several times. Now, 
> the story of the 2842 timing during heavy disk drive activities
> is a different and it could be due to the 2842's device 
> driver. BTW: I did try different to have my ethernet at 
> different maddr.

For me the 2842 works fine, kernel build of Feb 6. I have replaced
my 1542CF with a 2842A at Dec 21 and no problems seen regarding the 2842.
But i have seen problems on another local bus motherboard that is
working ok with a 1542. I tried to replace the 1542 with a 2825 local
bus controller and the machine simply hangs in the BIOS. Don't know
if it is the board or the adaptec BIOS :-). The machine is a cyrix 486DX.
The 2825 board works fine in another motherboard ( EISA/VL ) with an
intel 486DX.
I have only seen some timeouts with a 2742T controller with the ahc
driver, but i have not looked into them, because this is on my
test machine, where i test bad SCSI disks :-). So i need first find
out, if the driver has some problems or the disks. Anyone remember the
good old seagate ST296N ? :-). seagate told that this is really a SCSI
drive, so no one believed that. It sounds like an ST506 or RLL drive, it
is slower than a ST506 so it can't be SCSI :-).

	  ATS ( ats@first.gmd.de or ats@cs.tu-berlin.de )

Andreas Schulz  GMD-FIRST     12489  Berlin-Adlershof  Rudower Chaussee 5
Gebaeude 13.7   Tel: +49-30-6392-1856/+49-177-2134745    Germany/Europe



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