Acer AR380 F2 User's Guide download pdf (Page 101)

•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

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Acer AR380 F2 User's Guide Page 101