Subject: Re: Sun's cdrom
To: Lloyd Parkes <Lloyd.Parkes@vuw.ac.nz>
From: Jim Wise <jimw@numenor.turner.com>
List: port-sparc
Date: 10/31/1997 13:07:46
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On 31 Oct 1997, Lloyd Parkes wrote:

> 386BSD (whose SCSI driver I have hacked on) coped with strange block
> sizes by asking the device for some geometry information. This piece
> of code was upto several lines long. I have no idea why it is so hard
> for SunOS 5 to cope with the idea of asking a device what its block
> size is.

SunOS 5 (or 4, for that matter) _will_ ask the cdrom what its block size
is.  OpenPROM won't.  The difference is that you can use any CD-ROM with
SunOS, but you can only boot off of ones capable of a 512 byte block
size.

Which is not saying that Sun shouldn't make a more flexible boot ROM,
but that won't help existing older Suns, which are exactly the systems
we support...

- --
				Jim Wise
				jim.wise@turner.com

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