Re: Query: No IDE DMA for IBM 365X with PIIX chipset?

[Ondrej Zary <linux@rainbow-software.org>]

Alan Cox wrote:
> On Sul, 2006-05-28 at 15:29 +1000, Grant Coady wrote:
> > PIIXa: chipset revision 2
> > PIIXa: not 100% native mode: will probe irqs later
> > PIIXa: neither IDE port enabled (BIOS)
>
> It thinks the chip has not been activated, and then falls back to the
> legacy driver. Could be incorrect enable checks or other problems.
>
> > 00:01.0 ISA bridge: Intel Corporation 82371FB PIIX ISA [Triton I] (rev 02)
> >         Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> >         Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> >         Latency: 0
> > 00: 86 80 2e 12 07 00 80 02 02 00 01 06 00 00 00 00
> > 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> > 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> 82371FB, whee thats prehistoric 8)
>
> I don't actually have any support for the 371FB PIIX in either driver as
> I've not been able to find a source for the data sheet to the chip. It
> may work if added to the drivers/scsi/pata_oldpiix identifiers in the
> 2.6.17rc5-mm kernel. Would be useful to know as I don't know anyone else
> with that chip any more 8)

Isn't that this one? 
http://www.intel.com/design/chipsets/datashts/290550.htm
Used in i430FX chipset. I have some boards with that and they always 
worked fine. Haven't tried any recent kernels, though.

--
Ondrej Zary
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