BIOS Settings Glossary version 13 - By Menu
BIOS Settings Dictionary – By Menu
V13 – November 2009
Advanced > Drive Configuration Menu
BIOS Setting Options Description / Purpose
Access Mode • CHS
• LBA
• Large
• Auto
Allows you to select the sector addressing mode.
CHS (cylinder, head, sector) mode supports up to 528 MB
hard disks.
LBA (logical block addressing) mode supports hard disks up
to 128 GB in size.
Large mode supports hard disks above 528 MB in size, but
does not support LBA mode.
ATA/IDE Configuration • Disabled
• Legacy
• Enhanced (or
Native)
Specifies the integrated IDE controller.
Disabled disables the integrated IDE controller.
Legacy enables up to two IDE channels for OS requiring
legacy IDE operation.
Enhanced (or Native) enables all SATA and PATA
resources.
Block Mode • Disabled
• Auto
Check the hard disk drive’s specifications for optimum
setting.
Cable Detected
This BIOS setting is present
only if an IDE device is
installed.
No changeable
options
Displays the type of cable connected to the IDE interface:
40-conductor or 80-conductor (for ATA-66/100 devices) or
Serial ATA.
Configure SATA as… • IDE
• RAID
• AHCI
IDE is default
RAID: enables RAID which may require you to install the
RAID Driver during OS installation
AHCI: allows you to take advantage of Advanced Host
Controller Interface features such as Native command
Queuing , Hot plug, etc., without the option to use RAID.
Requires a hard drive that supports AHCI.
Configure Storage Controller
as
• SATA only
• PATA pri, SATA
sec
• SATA pri, PATA
sec
• PATA only
Determines which storage ports will be available.