H8DMT/H8DMT-IBX/H8DMT-F/H8DMT-IBXF User’s Manual
Table 4-5. NorthBridge Configuration Submenu (Continued)
Menu Item | Description |
L2 Cache BG | Allows L2 cache RAM to be corrected when idle. Options are Disabled and |
Scrub | various times in nanoseconds and microseconds. |
L3 Cache BG | Allows L3 cache RAM to be corrected when idle. Options are Disabled and |
Scrub | various times in nanoseconds and microseconds. |
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DRAM Timing Configuration
Memory Clock Mode
DRAM Timing Mode
This setting specifies the memory clock mode. Options are Auto, LIMIT and
MANUAL.
This setting specifies the DRAM timing mode. Options are Auto and DCT.
IOMMU Option Menu
IOMMU Mode
Used to disable or set the GART size in systems without AGP. Options are AGP Present, DISABLED, 32 MB, 64 MB, 128 MB, 256 MB, 512 MB and 1 GB.
Table 4-6. SouthBridge/MCP55 Configuration Submenu
Menu Item | Description | |
CPU/LDT Spread | Enables spread spectrum for the CPU/LDT. Options are Center Spread, DOWN | |
Spectrum | SPREAD or DISABLED. | |
PCIE Spread | Allows you to Enable or DISABLE spread spectrum for | |
Spectrum | ||
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SATA Spread | Enables spread spectrum for the SATA. Options are Enabled and DISABLED. | |
Spectrum | ||
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USB 1.1 Controller | Allows you to Enable or DISABLE the USB 1.1 controller. | |
USB 2.0 Controller | Setting to either Enable or DISABLE the USB 2.0 controller. | |
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| Select Enabled to enable support for USB Legacy devices.Use DISABLE to | |
Legacy USB Support | disable Legacy support if there are no USB devices installed in the system. AUTO | |
disables Legacy support if no USB devices are connected. The options are | ||
| DISABLED, Enabled and AUTO. |
| Table | |
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Menu Item |
| Description |
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| This determines the method used for programming CPU MTRRs when 4 GB or |
MTRR Mapping |
| more memory is present. The options are Continuous, which makes the PCI |
| hole | |
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| boundary. |
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Thermal Throttling |
| Used to ENABLE or Disable thermal to generate a power management event. |
Power Now |
| This setting is used to ENABLE or Disable the AMD Power Now feature. |
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Secure Virtual |
| This setting is used to Enable or DISABLE SVM (Secure Virtual Machine). |
Machine Mode |
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CPU Page |
| This setting is used to Enable or DISABLE the CPU Page Translation Table. |
Translation Table |
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