On Tue, 13 Aug 2002, Greywolf wrote:

>
> The sd(0,30,0) I think is for the Sun4 (not 4c, of which the IPC is
> one), where they can have LUNs on the SCSI bus (most SCSI devices don't
> actually have LUNs even though the spec provides for it).
>
> 0	bus 0
> 30	target 6, lun 0 (of 8, 0 thru 7) == 6 * NLUNS + LUN, == (6,0) ==
> 	0x30
> 0	partition 0.
>
	Yup, sunmon mangled the SCSI ID and lun into a single number.
	Always entertaining to see a SunOS4 kernel booting from 'sd:'

> The IPC handles it more directly (especially considering that the IPC
> can switch to new-mode and boot from 'disk' or 'cdrom', IIRC).

	I thought the early sun4c's openprom didn't have the cdrom
	alias, but did have cd(). Can someone with an IPC check?

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