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Chapter 4: BIOS
4-11
HT Link Tristate
This setting allwos you to confi gure the HT Link Tristate. Options include
Auto, Disabled, CAD/CTL and CAD/CTL/CLK.
NB Deemphasis Level
Use this to set the NB deemphasis level. Options include Disabled, 0.4 dB,
1.32 dB, -2.08dB, 3.1 dB, 4.22 dB, 5.50 dB and 7.05 dB.
IOMMU
This setting is used to disable or set the GART size in systems without AGP.
Options include AGP Present, Disabled, 32 MB, 64 MB, 128 MB, 256 MB,
512 MB and 1 GB.
USB 2.0 Controller Mode
This setting allows you to Enable or Disable the USB 2.0 Controller.
Legacy USB Support
Select Enabled to enable the support for USB Legacy. Disable Legacy support
if there are no USB devices installed in the system. Selecting Auto disables
Legacy support if no USB devices are connected. The options are Disabled,
Enabled and Auto.
IDE/Floppy Confi guration
Floppy A
Use this setting to select the type of Floppy drive connected to the system.
Options include Disabled, 360 KB (5.25), 1.2 MB (5.25), 720 MB (3.5),
1.44 MB (3.5) and 2.88 MB (3.5).
Onboard PCI/IDE Controller
This setting allows you to Enable or Disable the onboard PCI/IDE controller.
Primary/Secondary/Third/Fourth IDE Master/Slave
Channel
LBA/Large Mode
LBA (Logical Block Addressing) is a method of addressing data on a disk
drive. The options are Disabled and Auto.