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Lockups with aha1542cf

daemon@ATHENA.MIT.EDU (Kai Harrekilde-Petersen)
Sun Mar 19 07:26:51 1995

From: Kai Harrekilde-Petersen <khp@pip.dknet.dk>
To: linux-scsi@vger.rutgers.edu (Linux SCSI mailing list)
Date: Sun, 19 Mar 1995 11:42:19 +0100 (MET)

Since I bought an IBM DPES-31080 disk, I have experienced SCSI lockups when
I backup from the disk to my Wangtek 6200-HS DAT drive.

Previously I had an IDE drive, and I had no problems at all in doing backups
from the IDE disc to the DAT drive.


The DAT has two LEDs on the front: a green which tells, i think, that a
tape is inserted and a yellow, which turns on during tape winding and data
transfers.

When the lockups occur, the green LED is turned off, but the yellow LED is
on!.

I also experienced problems when trying to backup directly from a NEC 3xp
CD-ROM drive which I borrowed from work, some time ago (actually, I had
lockups when I installed from the CD-ROM to the disk too).  At that time, I
attributed it to the CD-ROM, but now, i'm not so sure.

Oh yes: the disk runs fine when I dont access the tape drive.

Motherboard:	ISA, 486DLC/33, Cyrix Cx387 and 8Mb RAM.
Cards:	ET4000 run-of-the-mill graphics card,
	Ancient multi-I/O card with 2S/1P/1G (1 16450 + 1 16550A uart).
	aha1542CF on id7,
		IBM DPES-31080 on id0, lun0
		Wangtek 6200HS on id1, lun0

I am willing to experiment quite a bit to get the darn thing to work,
because right now, my DAT drive is rendered pretty useless.

Kai
-- 
Kai Harrekilde-Petersen  <khp@pip.dknet.dk>  Linux: choice of a GNU generation
>> Inside every little problem there's a BIG problem, struggling to get out <<
===== Please do not use my old account <khp@login.dknet.dk> as it's void =====

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