AXIOMTEK SBC81700 Series User Manual page 46

SBC81700 VIA V4 SBC User's Manual
VIA OnChip IDE Device
Scroll to this item and press <Enter> to view the sub menu VIA
OnChip IDE Device.
OnChip SATA
Enable this item to set the SATA channel to IDE Mode.
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.
OnChip IDE Channel 0/1
The board supports two channel of ordinary IDE interface.
Select "Enabled" to activate each channel separately.
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
you are getting disk drive errors, try setting this value to
Disabled. This field does not appear when the Internal
PCI/IDE field, above, is Disabled.
IDE Master/Slave PIO
The four IDE PIO (Programmed Input/Output) fields let you
set a PIO mode (0-4) for each of the four IDE devices that
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Phoenix-Award BIOS Utility