User`s manual

4-14

X8DTU/X8DTU-F User’s Manual

DMA Mode Select Options

Option Selected DMA Mode Max. Transfer Rate

SWDMA 0 Single-Word DMA 0 2.1 MB/s

SWDMA1 Single-Word DMA 1 4.2 MB/s

SWDMA 2 Single-Word DMA 2 8.3MB/s

MWDMA 0 Multi-Word DMA 0 4.2 MB/s

MWDMA1 Multi-Word DMA 1 13.3 MB/s

MWDMA 2 Multi-Word DMA 2 16.6 MB/s

UDMA 0 Ultra DMA 0 16.6 MB/s

UDMA 1 Ultra DMA 1 25 MB/s

UDMA 2 Ultra DMA 2 33.3 MB/s

UDMA 3 Ultra DMA 3 44.4 MB/s

UDMA 4 Ultra DMA 4 66.6 MB/s

UDMA5 Ultra DMA 5 100 MB/s

UDMA 6 Ultra DMA 6 133 MB/s

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.

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.