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Chapter 7: BIOS
decreases. The options are Auto, 0, 1, 2, 3, and 4. Select Auto to allow AMI
BIOS to auto detect the PIO mode. Use this value if the IDE disk drive support
cannot be determined. Select 0 to allow AMI BIOS to use PIO mode 0. It has a
data transfer rate of 3.3 MBs. Select 1 to allow AMI BIOS to use PIO mode 1.
It has a data transfer rate of 5.2 MBs. Select 2 to allow AMI BIOS to use PIO
mode 2. It has a data transfer rate of 8.3 MBs. Select 3 to allow AMI BIOS to
use PIO mode 3. It has a data transfer rate of 11.1 MBs. Select 4 to allow AMI
BIOS to use PIO mode 4. It has a data transfer rate of 16.6 MBs. This setting
generally works with all hard disk drives manufactured after 1999. For other disk
drives, such as IDE CD-ROM drives, check the specifi cations of the drive.
DMA Mode
Selects the DMA Mode. Options are Auto, SWDMA0, SWDMA1, SWDMA2,
MWDMA0. MDWDMA1, MWDMA2, UDMA0. UDMA1, UDMA2, UDMA3,
UDMA4 and UDMA5. (SWDMA=Single Word DMA, MWDMA=Multi Word DMA,
UDMA=UltraDMA.)
S.M.A.R.T.
Self-Monitoring Analysis and Reporting Technology (SMART) can help predict
impending drive failures. Select "Auto" to allow BIOS to auto detect hard disk
drive support. Select "Disabled" to prevent AMI BIOS from using the S.M.A.R.T.
Select "Enabled" to allow AMI BIOS to use the S.M.A.R.T. to support hard drive
disk. The options are Disabled, Enabled, and Auto.
32-Bit Data Transfer
Select "Enabled" to activate the function of 32-Bit data transfer. Select "Disabled"
to deactivate the function. The options are Enabled and Disabled.
7-7
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