
Chapter 6: BIOS
59
ECC Support
This feature enables DDR ECC support. The options are Disabled or
Enabled
.
Max TOLUD
This feature sets the maximum TOLUD value, which specifies the “Top of Low Usable
DRAM” memory space to be used by internal graphics devices, GTT Stolen Memory,
and TSEG, respectively, if these devices are enabled. The options are
Dynamic
, 1 GB
~ 3.5 GB (in 0.25 GB increments).
Memory Scrambler
This feature enables memory scrambler support for memory error correction. The set-
tings are Disabled or
Enabled
.
MRC Fast Boot
This feature enables fast path through MRC. The settings are Disabled or
Enabled
.
REFRESH_2X_MODE
This feature controls the 2xRef mode. The options are
Disabled
, 1 (Enabled WARM/
HOT), and 2 (Enabled HOT).
Closed Loop Therm Manage
This feature enables Closed Loop Thermal management. The options are Disabled or
Enabled
.
Graphics Configuration
Primary Display
This feature controls which graphics device will be used as the primary display. The op-
tions are
Auto
, IGFX, PEG, PCI, and SG.
Primary PEG
This feature controls the graphics device to be used as the primary device. The options
are
CPU SLOT6 PCI-E 3.0 X16
or CPU SLOT4 PCI-E 3.0 X8 (IN X16).
Primary PCIE
This feature controls the primary PCIE device. The options are
Auto
, OnBoard, PCH
SLOT2 PCI-E 3.0 X4, and PCH SLOT7 PCI-E 3.0 X1.
Internal Graphics
This feature enables internal graphics support, based on the setup options. The options
are
Auto
, Disabled, and Enabled.
GTT Size
This feature controls the memory allocation size for the graphics translation table (GTT).
The options are 2MB, 4MB, and
8MB
.