Mainboard Abit AL8

Using the On-Chip SATA Controller in he Combined mode, you can mix PATA and SATA disks on the same system. Linux detects both controllers (using piix and ata_piix moules), but with some limitation. First of all DMA is disabled on the PATA disk: using_dma = 0 (off).

In this condition Xen domains do not start.