User`s manual

BIOS
Page 4-12
VIA OnChip IDE Device
Scroll to VIA Onchip IDE Device and press <Enter>. The following screen appears:
Onchip SATA
Enables the onboard SATA feature.
Options: Enabled, Disabled.
SATA Mode
This allows you to set RAID mode for Serial ATA devices. Refer to section 5 for
more RAID information.
Options: RAID, IDE.
IDE DMA transfer access
Automatic data transfer between system memory and IDE device with minimum CPU
intervention. This improves data throughput and frees CPU to perform other tasks.
Options: Enabled, Disabled.
OnChip IDE Channel0/1
The mainboard supports two channel of ordinary IDE interface. Select “Enabled” to
activate each channel separately.
Options: Enabled, Disabled.
Note: If you do not use the onboard IDE connector, set the Onboard Primary PCI
IDE and Onboard Secondary PCI IDE to “Disabled”.
IDE Prefetch Mode
Selecting “Enabled” reduces latency between each drive read/write cycle, but may
cause instability in IDE subsystems that cannot support such fast performance. If