Unknown IDE chipset with Asus P5A motherboard.

Brent M. Smith (brent@calwestmu.com)
Sun, 15 Aug 1999 17:59:29 -0700

I get the following error on kernel startup when I moved to this
motherboard (Asus P5A, with Aladdin V IDE chipset):

PCI_IDE: unknown IDE controller on PCI bus 00 device 78, VID=10b9, DID=5229
PCI_IDE: not 100% native mode: will probe irqs later
PCI_IDE: simplex device: DMA disabled
ide0: PCI_IDE Bus-Master DMA disabled (BIOS)
PCI_IDE: simplex device: DMA disabled
ide1: PCI_IDE Bus-Master DMA disabled (BIOS)

The hard drive is detected as the following:

hda: FUJITSU MPC3084AT, ATA DISK drive
hda: FUJITSU MPC3084AT, 8063MB w/0kB Cache, CHS=1027/255/63

Now since this is a fairly common motherboard, I assume I have something
set wrong in the bios, or the IDE guys have marked this as a hard drive
that is unreliable or something. Basically, I just want to be able to
turn the DMA on... hdparm -d 1 /dev/hda doesn't do the trick. It gives
me an "Operation not permitted" on the HDIO_SET_DMA Ioctl.

Thanks for your time in advance,

-- 
    Brent M. Smith, <brent@calwestmu.com>


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