CompactFlash: PIO mode 4 when should be 6, Ultra-DMA mode 2 whenshould be 4

Hi all,

I am having some issues with my server.
I am using a flash CF card via an ATA to CF bridge.
Problem is that this is going too slow.

The CF card I use is said to support IDE PIO mode 6 and Ultra DMA mode
0-4
However according to dmesg this is not how OpenBSD is pushing it

# dmesg | grep wd0
wd0 at pciide0 channel 0 drive 0: <TRANSCEND>
wd0: 1-sector PIO, LBA, 15296MB, 31326208 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
root on wd0a swap on wd0b dump on wd0b

Would it be possible for me to override this and force it to run at
PIO mode 6 and Ultra DMA mode 4?

Thankful for any hints
BR/
Jens

On Aug 29, 4:17*am, j...@zekra.se wrote:[color=blue]
> Hi all,
>
> I am having some issues with my server.
> I am using a flash CF card via an ATA to CF bridge.
> Problem is that this is going too slow.
>
> The CF card I use is said to support IDE PIO mode 6 and Ultra DMA mode
> 0-4
> However according to dmesg this is not how OpenBSD is pushing it
>
> # dmesg | grep wd0
> wd0 at pciide0 channel 0 drive 0: <TRANSCEND>
> wd0: 1-sector PIO, LBA, 15296MB, 31326208 sectors
> wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
> root on wd0a swap on wd0b dump on wd0b
>
> Would it be possible for me to override this and force it to run at
> PIO mode 6 and Ultra DMA mode 4?
>
> Thankful for any hints
> BR/
> Jens[/color]

I have now switched the IDE cable to a completely new one.
Result is unfortunately still the same though :/