hardware fault on SGI Indigo?

From: Pete Turnbull <pete_at_dunnington.u-net.com>
Date: Sun Dec 12 17:33:53 2004

On Dec 11 2004, 17:58, Fabian H?nsel wrote:
> Pete Turnbull wrote:

> >As you probably know, the SCSI ID is automatically determined by the
> >bay you put the drive in. At least, it is if you use standard
> >which have a connection from the ID pins on the drive, via the sled
> >connector, to the backplane.
> >
> My drive has a 50 pin scsi, a 4 pin power supply and a 10 pin cable
> did not know what it is used to) - that connects to those ID pins,
> doesn't it? A new drive does not have to have such ID pins, as long
as I
> can set the scsi id with jumpers, is that right?

Yes, that's right, just remember what you set it to, because
(obviously!) it will no longer be automatically set by the slot. Don't
use ID 0, because that's the controller. By convention, the boot drive
is ID 1, a CDROM is 5 or 6, a tape is usually 4, but you needn't stick
to those. IRIX will work out what type of device (disk, removable
disk, CDROM, tape) is at each ID. You can change the drive ID that's
used for booting, by changing a couple of PROM variables. On my Indy
here (sorry, haven't got an Indigo handy that I can power up, but it
should be very similar) they are (these viewed from IRIX rather than
from the PROM):


NB they are case-sensitive.

Pete						Peter Turnbull
						Network Manager
						University of York
Received on Sun Dec 12 2004 - 17:33:53 GMT

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