Chapter
4
:
BIOS Settings
Block (Multi-Sector Transfer)
This option sets the block mode multi sector transfers
option The Load Optimal default setting is Auto
Option
Description
Disabled
Set this value to prevent the BIOS from using
Multi-Sector Transfer on the specified channel
The data to and from the device will occur one
sector at a time
Auto
Set this value to allow the BIOS to auto detect
device support for Multi-Sector Transfers on the
specified channel If supported, Set this value
to allow the BIOS to auto detect the number of
sectors per block for transfer from the hard disk
drive to the memory The data transfer to and
from the device will occur multiple sectors at a
time
PIO Mode
IDE PIO (Programmable I/O) mode programs timing
cycles between the IDE drive and the programmable
IDE controller As the PIO mode increases, the cycle time
decreases The Load Optimal default setting is Auto
Auto
Set this value to allow the BIOS to auto detect
the PIO mode Use this value if the IDE disk
drive support cannot be determined This is the
default setting
0
Set this value to allow the BIOS to use PIO mode
0 It has a data transfer rate of 3 3 MBs
1
Set this value to allow the BIOS to use PIO mode
1 It has a data transfer rate of 5 2 MBs
2
Set this value to allow the BIOS to use PIO mode
2 It has a data transfer rate of 8 3 MBs
3
Set this value to allow the BIOS to use PIO mode
3 It has a data transfer rate of 11 1MBs
4
Set this value to allow the BIOS to use PIO
mode 4 It has a data transfer rate of 16 6 MBs
This setting generally works with all hard disk
drives manufactured after 1999 For other disk
drive, such as IDE CD-ROM drives, check the
specifications of the drive
Option
Description
IM
M
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L30D
User Manual
1