On Tue, 21 Mar 2000, Simon Kirby wrote:
> What do you mean by trying to DMA without autodma?
>
> I'm using an ASUS P2B-DS (PIIX4 tuning and all enabled in kernel config)
> with two Celerons. 128MB ECC SDRAM. Three WD hard drives are attached:
>
> hda: WDC WD273BA, 26105MB w/1961kB Cache, CHS=3328/255/63, UDMA(33)
> hdb: WDC WD273BA, 26105MB w/1961kB Cache, CHS=3328/255/63, UDMA(33)
> hdc: WDC AC28400R, 8063MB w/512kB Cache, CHS=16383/16/63, UDMA(33)
>
> The first two are UDMA/66 drives, but everything is plugged into the
> UDMA/33 on-board controller.
I missed the point.....
You have to enable "ACTIVE" Tuning! CONFIG_PIIX_TUNING
You have to brute force the drives back in to conforming to the speed
limits of the host adapter.
Andre Hedrick
The Linux ATA/IDE guy
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This archive was generated by hypermail 2b29 : Thu Mar 23 2000 - 21:00:35 EST