Chapter
4
:
BIOS Settings
This setting allows you to adjust the DMA mode options
The Load Optimal default setting is Auto
DMA Mode
Auto
Set this value to allow the BIOS to auto detect
the DMA mode Use this value if the IDE disk
drive support cannot be determined This is the
default setting
SWDMA0
Set this value to allow the BIOS to use Single
Word DMA mode 0 It has a data transfer rate of
2 1 MBs
SWDMA1
Set this value to allow the BIOS to use Single
Word DMA mode 1 It has a data transfer rate of
4 2 MBs
SWDMA2
Set this value to allow the BIOS to use Single
Word DMA mode 1 It has a data transfer rate of
8 3 MBs
MWDMA0 Set this value to allow the BIOS to use Multi Word
DMA mode 0 It has a data transfer rate of 4 2
MBs
MWDMA1 Set this value to allow the BIOS to use Multi Word
DMA mode 0 It has a data transfer rate of 13 3
MBs
MWDMA2 Set this value to allow the BIOS to use Multi Word
DMA mode 0 It has a data transfer rate of 16 6
MBs
UDMA0
Set this value to allow the BIOS to use Ultra DMA
mode 0 It has a data transfer rate of 16 6 MBs
It has the same transfer rate as PIO mode 4 and
Multi Word DMA mode 2
UDMA1
Set this value to allow the BIOS to use Ultra DMA
mode 1 It has a data transfer rate of 25 MBs
UDMA2
Set this value to allow the BIOS to use Ultra DMA
mode 1 It has a data transfer rate of 33 3 MBs
UDMA3
Set this value to allow the BIOS to use Ultra DMA
mode 1 It has a data transfer rate of 44 4 MBs To
use this mode, it is required that an 80-conductor
ATA cable is used
UDMA4
Set this value to allow the BIOS to use Ultra DMA
mode 1 It has a data transfer rate of 66 6 MBs To
use this mode, it is required that an 80-conductor
ATA cable is used
UDMA5
Set this value to allow the BIOS to use Ultra DMA
mode 1 It has a data transfer rate of 99 9 To use
this mode, it is required that an 80-conductor
ATA cable is used
UDMA6
Set this value to allow the BIOS to use Ultra DMA
mode 1 It has a data transfer rate of 133 2 MBs To
use this mode, it is required that an 80-conductor
ATA cable is used
Option
Description
IM
M
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L30D
User Manual
1