root@p6dnf% cat cmd64x
CMD648 Chipset.
--------------- Primary Channel ---------------- Secondary Channel -------------
enabled enabled
--------------- drive0 --------- drive1 -------- drive0 ---------- drive1 ------
DMA enabled: yes no yes no
DMA Mode: UDMA(4) PIO(?) UDMA(4) PIO(?)
PIO Mode: ? ? ? ?
PIO
Yes........
I just have to submit the updates......
PIIX is more of a pain to decode........
The only one that is 99% decoded is pdc202xx.
On Sat, 25 Mar 2000, Sasi Peter wrote:
> Hi!
>
> Some more info found, posting it hoping it is usefull for debugging:
> [root@iq ide]# cat piix
>
> Intel PIIX4 Ultra 33 Chipset.
> --------------- Primary Channel ---------------- Secondary Channel
> -------------
> enabled enabled
> --------------- drive0 --------- drive1 -------- drive0 ---------- drive1
> ------
> DMA enabled: yes yes yes no
> UDMA enabled: yes no yes no
> UDMA enabled: 2 X 2 X
> DMA
> PIO
> [root@iq ide]# cat cmd64x
>
> CMD648 Chipset.
> --------------- Primary Channel ---------------- Secondary Channel
> -------------
> enabled enabled
> --------------- drive0 --------- drive1 -------- drive0 ---------- drive1
> ------
> DMA enabled: no no no no
> UDMA enabled: no no no no
> UDMA enabled: 4 4 4 4
> DMA enabled: 2 2 2 2
> PIO
> ARTTIM0 = 0x40, HI = 0x04, LOW = 0x00
> DRWTIM0 = 0x3f, HI = 0x03, LOW = 0x0f
> ARTTIM1 = 0x40, HI = 0x04, LOW = 0x00
> DRWTIM1 = 0x3f, HI = 0x03, LOW = 0x0f
> ARTTIM23 = 0x5c, HI = 0x05, LOW = 0x0c
> DRWTIM2 = 0x3f, HI = 0x03, LOW = 0x0f
> DRWTIM3 = 0x3f, HI = 0x03, LOW = 0x0f
> UDIDETCR0 = 0xf0, HI = 0x0f, LOW = 0x00
> UDIDETCR1 = 0xf0, HI = 0x0f, LOW = 0x00
> [root@iq ide]#
>
>
> -- SaPE
>
> Peter, Sasi <sape@sch.hu>
>
>
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>
Andre Hedrick
The Linux ATA/IDE guy
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