From: Igor Sobrado (igorstring1.ciencias.uniovi.es)
Date: Wed Mar 28 2007 - 15:06:09 CDT

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Igor Sobrado writes:
>
> I would like to ask if this output for the "machine diskinfo" command
> on the OpenBSD/i386 BOOT release 2.10 is expected:
>
>
> Using drive 0, partition 3.
> Loading...
> probing: pc0 com0 com1 mem[639K 255M a20=on]
> disk: hd0+ hd1+
> >> OpenBSD/i386 BOOT 2.10
> -
> com0: 9600 baud
> switching console to com0
> >> OpenBSD/i386 BOOT 2.10
> boot> machine diskinfo
> Disk BIOS# Type Cyls Heads Secs Flags Checksum
> hd0 0x80 label 1 16 63 0x2 0xd8299676
> hd1 0x81 label 1 16 63 0x2 0xc99b9503
> boot>

The problem was related with a LBA translation bug in comBIOS 1.29
(released on february 2007). Soren Kristensen fixed this bug in
a new firmware revision for the net4501 and net4801, released
yesterday, and all is fine right now. (Thanks Soren!)

> On another computer, an old Pentium 166 MHz, there is a different
> but annoying output too:
>
> MBR on floppy or old BIOS
> Using drive 0, partition 3.
> Loading...
> probing: pc0 com0 com1 mem[639K 127M a20=on]
> disk: fd0 hd0+ hd1+
> >> OpenBSD/i386 BOOT 2.10
> boot> machine diskinfo
> Disk BIOS# Type Cyls Heads Secs Flags Checksum
> fd0 0x0 *none* 80 2 18 0x4 0x0
> hd0 0x80 label 15 15 63 0x2 0xcbea9586
> hd1 0x81 label 1019 16 63 0x2 0xc8d994f7
> boot>

This is a different beast, think. It looks like (another) bug in the
BIOS of this old computer (hd0 is a 6 GB IDE drive, hd1 is a 2 GB drive).

Cheers,
Igor.

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