Acer AR380 F1 - Manual (Page 101)

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• DMA Mode
0 Use PIO mode 0. It has a data transfer rate of 3.3 MBs.
1 Use PIO mode 1. It has a data transfer rate of 5.2 MBs.
2 Use PIO mode 2. It has a data transfer rate of 8.3 MBs.
3 Use PIO mode 3. It has a data transfer rate of 11.1 MBs.
4 Use PIO mode 4. It has a data transfer bandwidth of 32
bits. Select Enabled to enable 32-bit data transfer.
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.
Select Description