On 14 May 2002, Nathan J. Williams wrote:

> cd0(pciide0:1:0): illegal request, data = 00 00 00 00 64 00 00 00 00 00
> cd0: dos partition I/O error
> wdc_atapi_intr: warning: reading only 1 of 2 bytes
> wdc_atapi_intr: warning: reading only 1 of 2 bytes
>
> Perhaps the first two messages are irrelevant, and the DMA version of
> whatever is triggering the latter two was the problem?

More than likely. Manuel will know more about this.

I have had to do the same for my own IDE CD-RW drive on an "Acer Labs
M5229" controller in the past.

Cheers, Steve