Re: SCSI disk driver module spin-up

Bryn Paul Arnold Jones (bpaj@gytha.demon.co.uk)
Tue, 27 Feb 1996 08:42:36 +0000 (GMT)


On Tue, 27 Feb 1996, Andrew Walker wrote:

> Bryn Paul Arnold Jones wrote:
> >
> > Hmm, I wouldent think reading the partition table would be a problem,
> > don't SCSI disks spinup at power on anyway ?
> > Bryn
> > (I don't own any SCSI stuff, but I am looking at getting some ....)
> >
>
> Oh no, by golly. Not if you set the little jumper that's normally
> called 'motor start' or 'motor enable'. Then they wait for the controller
> to access them before spinning up.
>
> Usually there's also a jumper called 'delay start' that means that
> even when accessed it waits typically SCSI ID * 10 seconds before
> spinning up (so if you've got 7 SCSI disks on the bus ID0 spins up
> immediately, #1 spins up after 10s, #2 after 20s and so on).
>
Ahh, fair enough, those peskie IDE drives clouding my jugement again ....
Hmm, that delayed start thing sounds a good idea too.

> -Andy
>
> --
Bryn

--
PGP key available from any good server   \ Overload -- core meltdown sequence 
1024/EB275221 1995/09/05 Bryn P. A. Jones |            initiated.
<bpaj@gytha.demon.co.uk> (use this key)  / This space is intentionally left   
fingerprint:  83 AF D8 65 BC 52 74 31   |  blank, apart from this text ;-)
              67 1A 5F 31 F5 A0 9C 82    \____________________________________