Acer AR160 F1 - Manual (Page 85)

69
• DMA Mode
• 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.
PCI/PnP configuration
Clear NVRAM: This feature clears the NVRAM during system boot. The
options are No and Yes.
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.