Re: second scsi disk in 7200/120
On Thu, Aug 09, 2001 at 07:16:35PM +1000, Steven Hanley wrote:
> All
>
> I have a 7200/120 here with its standard 500 MB disk, I was able to pull a 2
> GB disk out of a broken 7300/200. I just put the 2 GB disk in and plugged both
> disks into the cables there inside the case. NOw booting into linux (on the
> debian hfs image floppy and root disk) the 2 GB disk has appeared first as
> sdb, and the 500 MB disk doesnt get detected at all.
>
> How can I get both disks detected when plugged in inside the machine (there is
> also a cd drive which is detected still. The controller seems to be a 53C94
> (whatever that is)
>
> Also I would prefer to have the 500 MB disk show up as sda.
Is the drive terminated or does the cable have a terminator on the end?
If both drives are terminated, you'll need to disable termination on the
first drive. If you have a terminator on the end of the cable, neither
drive should have termination set.
Also, it is quite possible both drives now have the same SCSI ID. You
need to give them different SCSI ID#s. Set the one which you want to
have as sda to a lower SCSI ID# than the other.
Both termination and SCSI ID# are usually controlled by jumpers on
the drive. If you're lucky there is a diagram on the drive telling you
which jumper is for what. If not, you can look up the drive model# on
the website for the drive manufacturer and find a schematic.
Finally, don't forget the sacrificial goat.
Ben
--
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