On Tue, 28 Apr 1998, Cristian Tibirna wrote:
> first and most important is the way the BIOS sees the disks. Most old
> BIOS' weren't able to see well disks bigger tha 512 Mb. In order to
> overcome this, you were able to choose in the BIOS special ways to access
> the disks, called LBA and BLOCK. Be sure you take note what kind of access
Close... actually the old BIOS's with the disk size limitations do NOT
have the LBA mode selection, which is why they have the limitations. Ones
where you can select LBA or BLOCK overcome the limitations. It is
extremely likely that, if your drive is > 500 MB, that your Pentium will
be using LBA mode. If your 486 supports it, you should set the BIOS to
LBA mode as well.
If not, then you must ensure that the partition holding /boot is entirely
within the first 500MB of the disk. Either your / partition must be in
that space, or you must have a separate /boot partition which is. In any
case, if your 486 does not support LBA but your disk is greater than
500MB, you must re-install LILO after you move the disks. (which I
recommend anyway).
> on standard hardware, all it's OK. But if you compiled your kernel for
> special features (strange SCSI cards or such) I don't have any idea what
> will happen with the not used symbols (as a matter of fact I think it
> doesn't vow even with broken hardware relation, but I'm not sure).
Actually there are some drivers which will make the system bleat when the
hardware isn't present. I encountered this with the NCR 5380 SCSI driver,
as well as it sometimes happens if you have an NE2000 network card in your
system but a driver for some other network card installed in the kernel.
This doesn't happen with the RH default kernels, but if you are making
custom kernels, you should obviously put the one that suits the 486 on the
drives you are planning to transfer. (and also put it on your boot
floppy).
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