> Hello,
>
> I have a question wrt. wd device writes. Writing a drive that does ~4MBPS, 
> UDMA-2 is only 320KBPS. It is a regular Seagate HDD connected to an Intel

looks like your drive doesn't go DMA at all. check dmesg please.


> motherboard (P2/500MHz cpu). The low speed appears when copying a lot of data 
> from a 52x cdrom. The speed should be at least 1MBPS. As is, the cd light

should be both above 4MB unless your disk is quite old.