Asus M2N68-VM - Manual (Page 62)

2-18 Chapter 2: BIOS setup
PIO Mode [Auto]
Selects the PIO mode. Configuration options: [Auto] [0] [1] [2] [3] [4]
DMA Mode [Auto]
Selects the DMA mode. Configuration options: [Auto]
SMART Monitoring [Auto]
Enables or disables the S.M.A.R.T. (Self Monitoring and Reporting Technology)
capability of your hard drive. This features allows your system to report read/write
errors of the hard drive and to issue warnings when a third party hardware monitor
utility is installed. Configuration options: [Auto] [Disabled] [Enabled]
32Bit Data Transfer [Enabled]
Enables or disables 32-bit data transfer. Configuration options: [Disabled]
[Enabled]