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<4612c910.tL2kbtQqbdaRDsDm%[email protected]> |
Quentin Garnier <[email protected]> wrote:
> On Tue, Apr 03, 2007 at 01:40:18PM -0700, [email protected] wrote:
> > Hi all,
> > I've got an older i386 (PI) with an IDE drive that supports Ultra33, and
> > for which NetBSD (3.1) aggrees yet sets the drive to the next mode down:
> >
> > # dmesg | grep wd0
> > wd0 at atabus0 drive 0: <FUJITSU MPB3043ATU>
> > wd0: drive supports 16-sector PIO transfers, LBA addressing
> > wd0: 4125 MB, 8940 cyl, 15 head, 63 sec, 512 bytes/sect x 8448300 sectors
> > wd0: 32-bit data port
> > wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
> > wd0(piixide0:0:0): using PIO mode 4, DMA mode 2 (using DMA)
> > boot device: wd0
> > root on wd0a dumps on wd0b
> >
> > The IDE controller is an on-board Intel 82371SB IDE Interface (PIIX3)
> > (rev. 0x00) and the IDE cable is a std 40-pin/40-conductor which should
> > be fine up to Ultra33 speeds. The kernel is just a paired down GENERIC
> > with the wd(4) flag set to 0x0000 ( uses whatever mode the drive says it
> > supports). Any idea why the drivve isn't getting the highest supported
> > setting?
>
> Well, because the IDE controller doesn't support it...
Doh! Was thinking 430TX chipset which does - oh well. Sorry for the noise.
^^
Jeff