Supermicro X12STL-F - Page 72

Super X12STL-F User's Manual
72
Chipset
Warning: Setting the wrong values in the following sections may cause the system to malfunc-
tion.

• VT-d Supported

• Memory RC Version
• Memory Frequency
• Memory Timings (tCL-tRCD-tRP-tRAS)
• DIMMA1
• DIMMA2
• Number of Ranks
• Manufacturer
• DIMMB1
• DIMMB2
DDR Speed Control
Use this feature to set the DDR speed. The options are Auto and Manual.
*If the feature above is set to manual, Maximum Memory Frequency and SA GV High
Gear are available for conguration:
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, 2667, 2800, 2933, 3000, and 3200.
ECC Support
Use this feature to enable or disable DDR ECC support. The options are Disabled and
Enabled.
Max TOLUD
This feature sets the maximum TOLUD value, which species 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.