AOpen AP5V User Manual page 46

AMI BIOS Utility
32-bit Mode
Enabling this parameter improves system performance by increasing the hard
disk access to 32-bit mode. However, make sure that your hard disk supports
this function before you enable the parameter. Otherwise, set this parameter to
Off
.
PIO Mode
On
Setting this parameter to
If your hard disk does not support the PIO mode feature, set this parameter to
Off .
This parameter becomes nonconfigurable when the HDD Type parameter is set
Auto
to .
After you have set all the necessary parameters, press
drive parameters appears:
3-6
allows the system to use a faster hard disk drive.
HARD DISK TYPES
. A list of the HDD