Re: Can SS20 take SCSI3 disks ?

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#2699

From: Craig Dewick
Date: Mon, 21 Feb 2000 00:00

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"ty" <neyedli AT cpsc DOT ucalgary DOT ca> writes:

>I'm still not clear for some reason.. So I can put *any* SCSI drive that has
>an SCA connector into a Sparc 5 and 20? And likewise for any SCSI drive that
>has a 68 pin connector into an Ultra 1? What about LVD, etc? I would really
>like to put a pair of modern Quantum Atlas 18GBs drives into my SS20
>(disregarding heat issues) Can I do this?

Almost any drive. It has to be a low-profile (1" high) drive to physically
fit in the space. There are half-height (1.6" high) drives around with SCA
SCSI interfaces, but they cannot be used in Sparc 5's or 20's, but they will
fit in the lower slot (only) in the SCSI cage of pizza-box Ultra-1 and -2
machines since the case is quite a lot higher.

It also cannot be an LVD (low-voltage differential) SCA SCSI drive - LVD
drives are extremely common in dealer listings - since they won't work in
their default state on Sun machines with regular SCSI controllers.

Stick to the now common 1" high low-profile SCA SCSI (but non-LVD) drives
and you'll be fine. However, if all you can get are LVD models, there should
be a jumper you can set to make the drive behave using regular SCSI bus
standards.

Regards,

Craig.
--
    Sun Ripened Kernels    |  Surplus and Pre-loved Sun Microsystems Equipment
  http://www.sunrk.com.au  |  Based in Waterfall (S/E Sydney), NSW, Australia.
    Phone: 02-9520-2547    |     Founded in 1996 - Operated by Craig Dewick
     GSM: 04-1115-8574     |   Email: craig@sunrk.com.au or craig@zeta.org.au

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From: cd@lios.apana.org.au (Craig Dewick)
Subject: Re: Can SS20 take SCSI3 disks ?
Date: 2000/02/21
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