Asus AP1720-E1 - Manual (Page 82)

4-14 Chapter 4: BIOS Setup
OnChip Device
Onboard Device
Super IO Device
Integrated Peripherals
4.4.2 Integrated Peripherals
OnChip IDE Device
IDE HDD Block Mode [Enabled]
IDE DMA Transfer Access [Enabled]
On-Chip Primary PCI IDE [Enabled]
IDE Primary Master PIO [Auto]
IDE Primary Slave PIO [Auto]
IDE Primary Master UDMA [Auto]
IDE Primary Slave UDMA [Auto]
On-Chip Secondary PCI IDE [Enabled]
IDE Secondary Master PIO [Auto]
IDE Secondary Slave PIO [Auto]
IDE Secondary Master UDMA [Auto]
IDE Secondary Slave UDMA [Auto]
***On-Chip Serial ATA Setting***
SATA Mode
IDE
On-Chip Serial ATA [Disabled]
Serial ATA Port0 Mode [Primary Master]
Serial ATA Port1 Mode [Primary Slave]
OnChip IDE Device
IDE HDD Block Mode [Enabled]
If your IDE hard disk supports the block mode feature, set this item to
[Enabled] to allows automatic detection of the optimal number of block
read/writes per sector the drive can support. Configuration options:
[Disabled] [ Enabled]