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Scanning of SCSI devices makes computer hang

daemon@ATHENA.MIT.EDU (Rasmus Tamstorf)
Sat Dec 13 16:42:16 1997

Date: 	Sat, 13 Dec 1997 22:36:54 +0100 (MET)
From: Rasmus Tamstorf <rt@imm.dtu.dk>
Reply-To: rt@acm.org
To: linux-scsi@vger.rutgers.edu

Hi,

I'm not quite sure this is the most appropriate place to post this
problem, but I do hope that one of you wizards out there can help me.

I've got an ASUS P55TP4XE motherboard (Triton, FX chipset) with an ASUS
SC200 SCSI controller (NCR53c810) and until earlier today this worked
absolutely fine with my Seagate ST31230N (Hawk 2LP) harddisk. However, all
of a sudden it started hanging when the controller intially scans the SCSI
bus.  When I turn on my computer this is therefore all I get :

<Award bios information>

Initializing PnP ...

NCR SDMS (TM) V3.0 PCI SCSI BIOS, PCI Rev. 2.0
Copyright 1993 NCR Corporation.
NCRPCI-3.07.00
ID 00  SEAGATE ST31230N

If I remove the Seagate disk from the SCSI chain everything works fine
again (except that I've got no OS :-( Also if I move the Seagate drive to
another ID the scanning will go on until the Seagate ID is reached ...
after which the system hangs. 

Since the point where control is passed on from the bios to e.g. lilo is
not even reached it seems not to be a software problem. It is thus a
little offtopic for this list but I do hope that someone has a clue about
what I can do to get the drive up 'n' running again - or at least what I
can do to save some of its data. 

Thanks
Rasmus

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Rasmus Tamstorf                                 "It's nice
Dept. of Mathematical Modelling                  to be important, 
Technical University of Denmark                  but it's more important
E-mail : rt@imm.dtu.dk                           to be nice !"
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