User's and BIOS Manual (1.1)

Chapter 4: AMI BIOS
4-11
Select MWDMA2 to allow the BIOS to use Multi-Word DMA mode 2. It has a
data transfer rate of 16.6 MBs.
Select UDMA0 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.
Select UDMA1 to allow the BIOS to use Ultra DMA mode 1. It has a data transfer
rate of 25 MBs.
Select UDMA2 to allow the BIOS to use Ultra DMA mode 2. It has a data transfer
rate of 33.3 MBs.
Select UDMA3 to allow the BIOS to use Ultra DMA mode 3. It has a data transfer
rate of 66.6 MBs.
Select UDMA4 to allow the BIOS to use Ultra DMA mode 4 . It has a data
transfer rate of 100 MBs.
The options are Auto, SWDMAn, MWDMAn, and UDMAn.
S.M.A.R.T. For Hard disk drives
Self-Monitoring Analysis and Reporting Technology (SMART) can help predict
impending drive failures. Select Auto to allow the AMI BIOS to automatically de-
tect hard disk drive support. Select Disabled to prevent the AMI BIOS from using
the S.M.A.R.T. Select Enabled to allow the 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 Enable to enable the function of 32-bit IDE data transfer. The options are
Enabled and Disabled.
PCI/PnP Conguration
This feature allows the user to set the PCI/PnP congurations for the following
items:
Clear NVRAM
This feature clears the NVRAM during system boot. The options are No and
Yes.
Plug & Play OS
Selecting Yes allows the OS to congure Plug & Play devices. (This is not required
for system boot if your system has an OS that supports Plug & Play.) Select No to
allow the AMI BIOS to congure all devices in the system.