Marcello Balduccini wrote:

>In my system, I have an ASUS P4533 motherboard and UltraDMA/133 hard drive. 
>Although the motherboard's specs say that it supports UltraDMA/133, I noticed 
>that, under NetBSD, the disk is accessed using UltraDMA/33.
>
>Are there any plans of supporting UltraDMA/133 on this motherboard ?
>
>The IDE controller is a Silicon Integrated System 5597/5598 and, according to 
>pciide.c, the driver is set to use UltraDMA/100 on SiS 735 and UltraDMA/33 on 
>other chipsets. Would it be possible to just set sc->sc_wdcdev.UDMA_cap to 5 
>(or 6...) in order to get a quick fix supporting UltraDMA/133 on the ASUS ?
>  
>

    Are you using a 80-pin IDE cable? If not, then probably the 
ultra-dma mode will be limited to 3. I'm not sure if NetBSD already 
suports UltraDMA/133.

    []s
    Ricardo.