Asus M4A89GTD PRO User Manual page 72

Type [Auto]
Allows you to select the type of device installed.
[Not Installed]
[Auto]
[CDROM]
[ARMD]
This item appears in SATA 5/SATA 6 only.
LBA/Large Mode [Auto]
[Auto]
[Disabled]
Block (Multi-Sector Transfer) M [Auto]
[Auto]
[Disabled]
PIO Mode [Auto]
[Auto]
[0] [1] [2] [3] [4]
DMA Mode [Auto]
DMA (Direct Memory Access) allows your computer to transfer data to and from the hardware
devices installed with much less CPU overhead.
The DMA mode consists of SDMA (single-word DMA), MDMA (multi-word DMA), and UDMA
(Ultra DMA). Setting to [Auto] allows automatic selection of the DMA mode.
SMART Monitoring [Auto]
[Auto]
[Enabled]
[Disabled]
32Bit Data Transfer [Enabled]
[Enabled]
[Disabled]
3-12
Select this option if no device is installed.
Allows automatic selection of the appropriate device type.
Select this option if you are specifically configuring a CD-ROM drive.
Select [ARMD] (ATAPI Removable Media Device) if your device is either a
ZIP, LS-120, or MO drive.
Select [Auto] to enable the LBA mode (Logical Block Addressing mode)
if the device supports this mode, and if the device was not previously
formatted with LBA mode disabled.
Disables this function.
When set to [Auto], the data transfer from and to the device occurs in
multiple sectors at a time if the device supports multi-sector transfer feature.
When set to [Disabled], the data transfer from and to the device occurs one
sector at a time.
Allows automatic selection of the PIO (Programmed input/output) modes,
which correspond to different data transfer rates.
Sets the PIO mode to Mode 0, 1, 2, 3, or 4.
Allows automatic selection of the S.M.A.R.T (Smart Monitoring, Analysis,
and Reporting Technology).
Enables the S.M.A.R.T feature.
Disables the S.M.A.R.T feature.
Sets the controller to combine two 16-bit reads from the hard disk into
a single 32-bit double word transfer to the processor. This makes more
efficient use of the PCI bus as fewer transactions are needed for the
transfer of a particular amount of data.
Disables this function.
Chapter 3: BIOS setup