On Sat, 10 Mar 2007, itohy@NetBSD.org wrote:
> Which disk controller are you using?
> Please supply the kernel messages.

I am using the Intel 82801DBM controller, with the piix driver.  Here
are the relevant messages:

piixide0 at pci0 dev 31 function 1
piixide0: Intel 82801DBM IDE Controller (ICH4-M) (rev. 0x01)
piixide0: bus-master DMA support present
piixide0: primary channel configured to compatibility mode
piixide0: primary channel interrupting at irq 14
atabus0 at piixide0 channel 0
piixide0: secondary channel configured to compatibility mode
piixide0: secondary channel interrupting at irq 15
atabus1 at piixide0 channel 1

wd0 at atabus0 drive 0: <ST9100824A>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 95396 MB, 193821 cyl, 16 head, 63 sec, 512 bytes/sect x 195371568
sectors
rnd: wd0 attached as an entropy source (collecting and estimating)
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
wd0(piixide0:0:0): using PIO mode 4, Ultra-DMA mode 5 (Ultra/100) (using DMA)

--apb (Alan Barrett)