User Guide

Award BIOS
3-24
Integrated Peripherals IDE Primary Master PIO
Integrated Peripherals IDE Primary Slave PIO
Integrated Peripherals IDE Secondary Master PIO
Integrated Peripherals IDE Secondary Slave PIO
IDE Primary Master
PIO
Auto
Mode 1
Mode 2
Mode 3
Mode 4
Setting this item to Auto activates the HDD speed
auto-detect function. The PIO mode specifies the
data transfer rate of HDD. For example: mode 0
data transfer rate is 3.3MB/s, mode 1 is 5.2MB/s,
mode 2 is 8.3MB/s, mode 3 is 11.1MB/s and mode 4
is 16.6MB/s. If your hard disk performance becomes
unstable, you may manually try the slower mode.
Caution: It is recommended that you
connect the first IDE device of each
channel to the endmost connector of the
IDE cable. Refer to section 2.3
"Connectors" for details on how to connect
IDE device(s).
Integrated Peripherals IDE HDD Block Mode
IDE HDD Block
Mode
Enabled
Disabled
This feature enhances disk performance by allowing
multisector data transfers and eliminates the interrupt
handling time for each sector. Most IDE drives,
except with old designs, can support this feature.
Integrated Peripherals USB Legacy Support
USB Legacy Support
Enabled
Disabled
This item lets you enable or disable the USB
keyboard driver within the onboard BIOS. The
keyboard driver simulates legacy keyboard command
and let you use USB keyboard during POST or after
boot if you don't have USB driver in the operating
system.