On Mon, Sep 08, 2003 at 08:43:38PM +0200, Dennis den Brok wrote:
> > > I'm not quite sure when this problem occured first, but I just saw 
> > > that 1.6Z uses UDMA33 for my harddisk while it detects 
> > UDMA100. I've 
> > > tried to configure the kernel to only use UDMA100, which would not 
> > > work either. I'm using a SiS 650 IDE controller with a Fujitsu 
> > > MHR2020AT. I don't think that one is fast enough to actually gain 
> > > performance by UDMA100 mode, but I like to see everything running 
> > > smoothly. I'd be glad if anyone had a suggestion.
> > 
> > Can you post the boot message ?
> 
> [...]
> pciide0 at pci0 dev 2 function 5: Silicon Integrated System 650 IDE
> controller (rev. 0xd0)
> pciide0: bus-master DMA support present
> pciide0: primary channel wired to compatibility mode
> wd0 at pciide0 channel 0 drive 0: <FUJITSU MHR2020AT>
> wd0: drive supports 16-sector PIO transfers, LBA48 addressing
> wd0: 19077 MB, 38760 cyl, 16 head, 63 sec, 512 bytes/sect x 39070080 sectors
> wd0: 32-bit data port
> wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
> pciide0: primary channel interrupting at irq 14
> wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2 (Ultra/33) (using DMA
> data transfers)

thanks, this looks good.
It's probably using Ultra/33 because it didn't detect a 80-wire cable.
Are you sure you have the right cable ?

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 24 ans d'experience feront toujours la difference
--