Supermicro X12STW-F, Руководство пользователя

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Chapter 4: BIOS
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Memory RC Version
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Memory Frequency
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Memory Timings (tCL-tRCD-TRP-tRAS)
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 configuration:
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 Disable and
Enable .
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.
SA GV High Gear
Use this feature to select the high gear for SA GV. The options are Gear1 and Gear2 .
Restrain on Fast Fall
Use this feature restarts the MRC in cold mode if the software memory test fails during fast
flow. The options are Disable and
Enable .
Enable RH Prevention
Use this feature to actively prevent Row Hammer. The options are Disable and Enable.
If the feature above is set Enable, the next two features are available for configuration:
Row Hammer Solution
Use this feature to select the moethod used to prevent Row Hammer. The options are
Hardware RHP
and 2x Refresh.
RH Activation Probability
Use this feature to adjust MC for Hardware RHP. The options are 1/2^1, 1/2^2, 1/2^3, 1/2^4,
1/2^5, 1/2^6, 1/2^7, 1/2^8, 1/2^9, 1/2^10,
1/2^11 , 1/2^12, 1/2^13, 1/2^14, and 1/2^15.