Dma Mode - Acer AR180 F1 Series User Manual

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DMA Mode

Select Description
Auto Automatically detect IDE DMA mode when the IDE disk
drive support cannot be determined.
SWDMA0 Use Single Word DMA mode 0. It has a data transfer
rate of 2.1 MBs.
SWDMA2 Use Single Word DMA mode 2. It has a data transfer
rate of 8.3 MBs.
MWDMA0 Use Multi Word DMA mode 0. It has a data transfer rate
of 4.2 MBs.
MWDMA1 Use Multi Word DMA mode 1. It has a data transfer rate
of 13.3 MBs.
MWDMA2 Use Multi-Word DMA mode 2. It has a data transfer rate
of 16.6 MBs.
UDMA0 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 Use Ultra DMA mode 1. It has a data transfer rate of 25
MBs.
UDMA2 Use Ultra DMA mode 2. It has a data transfer rate of
33.3 MBs.
UDMA3 Use Ultra DMA mode 3. It has a data transfer rate of
66.6 MBs.
UDMA4 Use Ultra DMA mode 4. It has a data transfer rate of
100 MBs.
• 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 BIOS to automatically detect hard
disk drive support.
• 32Bit Data Transfer - Select Enable to enable the function of 32-bit
IDE data transfer.
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.