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AMI BIOS Utility
3-5
Block Mode
This function enhances disk performance depending on the hard disk in use.  If
enabled, it allows data transfers in block (multiple sectors) by increasing the
data transfer rate to 256 bytes/cycle.  However, if your hard disk does not
support this function, set this parameter to 
Off
.
This parameter becomes non-configurable when the HDD Type parameter is
set to 
Auto
.
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.  The default setting is 
Off
.
PIO Mode
Setting this parameter to 
On
 allows the system to use a faster hard disk drive.
If your hard disk does not support the PIO mode feature, set this parameter to
Off
.
This parameter becomes non-configurable when the HDD Type parameter is
set to 
Auto
.