1 ide hdd block mode, 2 ide dma transfer access, 3 ide primary master/slave pio/udma mode (auto) – Advantech Industrial Mini-ITX Motherboard with DDR2/Dual GbE/PCI AIMB-221 User Manual
Page 70: 4 sata mode, Ide hdd block mode, Ide dma transfer access, Ide primary master/slave pio/udma mode (auto), Sata mode
