[rescue] Old style Sun CD

Mike Nicewonger twmaster at twmaster.com
Mon Jan 24 18:07:10 CST 2005

On Monday, January 24, 2005, at 06:58  PM, Geoffrey S. Mendelson wrote:

> On Mon, Jan 24, 2005 at 06:24:53PM -0500, Kevin Loch wrote:
>> My plextor 4x will boot on 3/60's with cdrom bootable roms.
> My experience is with SUN4 machines, maybe someone else can verify it
> on SUN3. The SCSI-2 standard includes a command to switch to 512 byte
> secotrs from the normal 2048 byte ones. Many SCSI CDROM drives 
> incorporated
> this command, for example, Sony, Plextor  and Toshiba*, but never NEC.
> The SUN4 ROMs that had the CDROM option for the boot command, issued 
> the
> "mode set" command before reading the disk.  If your ROM did NOT have
> the CDROM target for the boot command, you had to use a CDROM drive 
> preset
> to 512 byte sectors.
> It's always a good idea to specify your location in the request. I'd
> gladly lend you mine (2x panasonic set to 512 byte sectors) or a 
> toshiba,
> but I don't think you would want to pay the expense to pick it up or
> return it.
> BTW, has anyone tried this with an HP?

I have only ever tried Plextor drives on HP, Sun and SGI simply because 
they typically just work.

Mike N

Proof that cats are smarter than dogs. You will *never* see 8 cats 
trying to drag a sled through a blizzard.

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