Chapter 4: BIOS
75
Chipset Configuration
Warning:
Setting the wrong values in the following features may cause the system to malfunc-
tion.
System Agent (SA) Configuration
The following information is displayed:
•
SA PCIe Code Version
•
VT-d
Memory Configuration
•
Memory RC Version
•
Memory Frequency
•
Memory Timings (tCL-tRCD-tRP-tRAS)
•
DIMMA1 ~ DIMMB1 information
Maximum Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory modules.
The options are
Auto
, 1067, 1333, 1400, 1600, 1800, 1867, 2000, 2133, 2200, 2400,
2600, and 2667.
ECC Support
Use this feature to enable Error Checking & Correction (ECC) support for onboard
memory modules. The options are Disabled and
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 graphic devices, GTT Stolen Memory, and
TSEG, respectively, if these devices are enabled. The options are
Dynamic
and 1 GB
~ 3.5 GB (in 0.25 GB increments).
Memory Scrambler
This feature enables memory scrambler support for memory error correction. The settings
are Disabled and
Enabled
.
