Messages in this thread | | | Date | Thu, 3 Jun 1999 17:47:39 +0100 (GMT) | From | Riley Williams <> | Subject | Re: 2.3 wish: integrate pcmcia into mainstream kernel |
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Hi Linus.
> Rogier (or somebody) mentioned that there are other cases that > are nasty, like having a SCSI CD and ide disks.
That was me.
> I bet there are, although I've never seen those kinds of > problems with any regular off-the-shelf kind of hardware (I > don't actually see why that combination should be a problem, > because I _have_ installed the other way around with the CD on > IDE and the disks on SCSI, and the driver issue should be the > same - at least the distributions I've tried had the ide driver > even on the scsi kernels).
I've also done installs the other way round, and I can confirm that with an IDE CD drive, it matters not whether the hard drives are IDE or SCSI providing they're all the same.
However, with a SCSI CD drive, what appears to happen is as follows:
1. The BIOS sees that we're booting from the CD, so switches the CD into floppy emulation mode, and loads the floppy image from the CD.
2. The floppy image does whatever is required to switch the CD out of floppy emulation mode, amongst other things.
3. The floppy image realises that to do a CD install with this setup, it needs to load a supplementary image from the CD.
4. Because there's at least one IDE drive, the floppy image looks for an IDE CD drive.
5. The floppy image fails to find one, so asks the user to insert the CD into the CD drive and press a key. When the user presses a key, it goes back to step 4.
However, both Red Hat and Alan Cox advise me that no such problem exists as they've done the said install type many times, but neither will advise me as to how such is achieved!!!
Best wishes from Riley.
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