Chapter 6: UEFI BIOS
65
ACPI T-States
Use this feature to select Enabled to support CPU throttling by the operating system to reduce
power consumption. The options are
Disabled
and Enabled.
Chipset Configuration
Warning:
Setting the wrong values in the sections below may cause the system to malfunction.
System Agent (SA) Configuration
The following information will display:
•
SA PCIe Code Version
•
VT-d: Supported
Memory Configuration
Memory Configuration
•
Memory RC Version
•
Memory Frequency
•
Memory Timings (tCL-tRCD-tRP-tRAS)
•
DIMMA1
•
DIMMA2
•
DIMMB1
•
DIMMB2
Maximum Memory Frequency
Use this feature to set the maximum memory frequency for onboard memory modules.
The options are
Auto
,
1067, 1200, 1333, 1400, 1600, 1800, 1867, 2000, 2133, 2200,
2400, 2600, and 2667.
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, 1.25
GB, 1.5 GB, 1.75 GB, 2 GB, 2.25 GB, 2.5 GB, 2.75 GB, 3 GB, 3.25 GB, and 3.5 GB.