User`s guide

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NovaScale R422-E2/R422-INF-E2 Installation and User's Guide

DMA Mode

Select Auto to allow the BIOS to automatically detect IDE DMA mode when the IDE

disk drive support cannot be determined.

Select SWDMA0 to allow the BIOS to use Single Word DMA mode 0. It has a data

transfer rate of 2.1 MBs.

Select SWDMA1 to allow the BIOS to use Single Word DMA mode 1. It has a data

transfer rate of 4.2 MBs.

Select SWDMA2 to allow the BIOS to use Single Word DMA mode 2. It has a data

transfer rate of 8.3 MBs.

Select MWDMA0 to allow the BIOS to use Multi Word DMA mode 0. It has a data

transfer rate of 4.2 MBs.

Select MWDMA1 to allow the BIOS to use Multi Word DMA mode 1. It has a data

transfer rate of 13.3 MBs.

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.

Select UDMA5 to allow the BIOS to use Ultra DMA mode 5. It has a data transfer

rate of 133 MBs.

Select UDMA6 to allow the BIOS to use Ultra DMA mode 6. It has a data transfer rate

of 133 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 impend-

ing drive failures. Select Auto to allow the AMI BIOS to automatically detect 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.