I have upgraded my PC with a new P120 motherboard with onboard PCI IDE
controllers.
The problem is that Linux/Debian 1.2 (kernel 2.0.27) doesnot correctly probe
the IRQ
for the PCI IDE controllers. (Intel 82371SB Natoma/Triton II PIIX3)
It finds IRQ=5 ???

OK, so I pass the correct values at boot up on the LILO prompt with :-
Linux ide0=0x1f0,0x3f6,14
It detects the correct C/H/S settings from the BIOS.

This gives the following message on booting.
Partition check:
hda:hda: set_geometry_intr:status=0xd0{Busy}
end_request: I/O error, dev 03:00 sector0
unable to read partition table

if I use a ISA IDE controller instead all is well.
Of course I wish to use the faster PCI controllers.

I have Linux on a 400 MB HD on /dev/hdc on a ISA controller.
A new Seagate 3.2 Gb HD on /dev/hda on the PCI controller.
I boot Linux from floppy.
If I try to use cfdisk in Linux I get controller is busy message
for /dev/hda.

If I connect /dev/hdc on the the PCI IDE1 controller it gives the same
error messages on boot up as /dev/hda.

Note /dev/hda is a new HD partitioned with 
WIN95   first partition
NT      second partition
and hopefully Linux with what's left over if only I 
get it to use the PCI IDE controller.

Can any body help ?
Thanks Brian


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