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Bios Settings

Chapter 4

Embedded and Industrial Computing

Option Description

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.

S.M.A.R.T. for Hard disk drives

Self-Monitoring Analysis and Reporting Technology

(SMART) feature can help predict impending drive

failures. The Load Optimal default setting is Auto.

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