Table of Contents
Advertisement
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.
32Bit Data Transfer
Select Enable to enable the function of 32-bit IDE data transfer. The options are
Enabled and Disabled.
IDE Detect Timeout (sec)
Use this feature to set the time-out value for the BIOS to detect the ATA, ATAPI
devices installed in the system. The options are 0 (sec), 5, 10, 15, 20, 25, 30, and
35.
PCI/PnP Confi guration
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 confi 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 confi gure all devices in the system.
PCI Latency Timer
This feature sets the latency Timer of each PCI device installed on a PCI bus. Select
64 to set the PCI latency to 64 PCI clock cycles. The options are 32, 64, 96, 128,
160, 192, 224 and 248.
7-13
Chapter 7: BIOS
Advertisement
Table of Contents
