User`s guide

Main Menu Chapter Three - Running BIOS Setup
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automatically configured, the set value may not be the fastest value for the drive.
Refer to the hard drive documentation to determine the optimal value and set it
manually. To make changes to this field, the Type field must be set to User.
Configuration options are:
•
Disabled
•
2 Sectors
•
4 Sectors
•
8 Sectors
•
16 Sectors (default value)
LBA (Logical Block Access) Mode
Control
When enabled, this option uses 28-bit addressing of the hard drive without regard
for cylinders, heads, and sectors. Note that LBA may decrease the access speed
of the hard disk. However, LBA Mode is necessary to use drives with greater than
528 MB in storage capacity. In order to make changes to this field, the Type field
must be set to User.
Configuration options are:
•
Disabled
•
Enabled (default value)
32-bit I/O
When enabled, this option speeds up communication between the CPU and the
IDE controller. This option supports PCI local bus only. ISA bus is not supported.
In order to make changes to this field, the Type field must be set to User.
Configuration options are:
•
Disabled
•
Enabled (default value)
Transfer Mode
When enabled, this option speeds up communication between the system and the
IDE controller by using enhanced I/O transfer modes (PIO Modes). In order to
make changes to this field, the Type field must be set to User.
Configuration options are:
•
Standard
•
Fast PIO 1
•
Fast PIO 2