Asus A7N8X-VM User Manual page 32

Block (Multi-Sector Transfer) [Auto]
This field configures the Multi-Sector Transfer Block. Select [Auto] to enable the
data to transfer from and to the device occurs multiple sectors at a time if the
device supports it. When [Disabled], the data transfer from and to the device
occurs one sector at a time.
PIO Mode [Auto]
This option lets you set a PIO (Programmed Input/Output) mode for the IDE
device. Modes 0 through 4 provide successive increase in performance.
Configuration options: [0] [1] [2] [3] [4]
DMA Mode [Auto]
This field enables you to select the DMA mode.
SMART Monitoring [Auto]
This field allows you to enable or disable the S.M.A.R.T. (Self-Monitoring, Analysis
and Reporting Technology) system that utilizes internal hard disk drive monitoring
technology. This parameter is normally disabled because the resources used in the
SMART monitoring feature may decrease system performance. Configuration
options: [Disabled] [Enabled]
32Bit Data Transfer [Auto]
This field enables or disables the 32Bit data transfer mode.
2-6 Chapter 2: BIOS Information