Norm

dmesg -a | grep UDMA atapci0:  port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xf000-0xf00f at device 31.1 on pci0
 * IDE

ad0: 76318MB  at ata0-master UDMA100

ad1: 152626MB  at ata0-slave UDMA100

dc