Chapter 3 — BIOS
37
LBA/LARGE Mode:
enables LBA access mode.
x
Disabled: LBA access mode is disabled
x
Auto: LBA is set to optimal or default mode if the device supports it and is not formatted with LBA
mode disabled.
Block Mode:
enables multi-sector transfer block mode.
x
Disabled: data transfer from and to the device occurs one sector at a time
x
Auto: data transfer from and to the device occurs multiple sectors at a time if supported by the device
PIO Mode:
select the device PIO (Programmed Input/Output) mode, which determines the data transfer mode
used by IDE drives. PIO mode uses the CPU's registers for data transfer.
x
Auto: automatically detects optimal or default PIO mode
x
0 ~ 4: select PIO mode 0 to 4
DMA Mode:
select the devices DMA (Direct Memory Access) mode which transfers data from channel to
channel without using the CPU, resulting in faster data transfer then when the CPU is used for every byte of
transfer.
x
Auto: automatically detects optimal or default DMA mode
x
SWDMA0 ~ SWDMA2: select SingleWord DMA 0 to 2
x
MWDMA0 ~ MWDMA2: select MultiWord DMA 0 to 2
x
UDMA 0 ~ UDMA5: select Ultra DMA 0 to 5
S.M.A.R.T.:
(Self Monitoring Analysis and Reporting Technology) reports drive degradation to the operating
system to warn you of potential failure.
x
Auto: automatically sets optimal or default S.M.A.R.T. mode
x
Disabled: disables S.M.A.R.T.
x
Enabled: enables S.M.A.R.T.
32Bit Data Transfer:
enables 32-bit data transfer for improved performance.
Summary of Contents for QSSC-580
Page 1: ...User Manual www qsscit com T M Ver 1 0 Jan 2008 ...
Page 2: ......
