Chapter 6: BIOS
CPU Bridge Configuration
The menu options in the NORTHBRIDGE CONFIGURATION submenu and their descriptions are shown in Table
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Menu Option | Description | |
CPU Information | Displays for CPU Revision, Current QPI Frequency, Current Memory Frequency, | |
Memory Reference Code Revision and CSI Reference Code Revision are all | ||
(Static) | ||
statically displayed at the top of this menu. | ||
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QPI Links Speed | This setting allows you to transition the QPI links to | |
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| This setting allows you to transition the links to the specified speed when | |
QPI Frequency | transitioning the links to | |
| include Auto, 4.800GT, 5.866GT and 6.400GT. | |
QPI L0s and L1 | This setting allows you to Enable or Disable QPI L0s and L1. | |
| This setting forces a DDR3 frequency slower than the common tCK detected via | |
Memory Frequency | SPD. Options include Auto, Force | |
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| This setting sets the Memory Mode. Options include Independent (independent | |
Memory Mode | channel), Channel Mirroring (mirrors channel space between channels), | |
| Lockstep (locksteps channel 0 and 1) and Sparing (for sparing mode). | |
Demand Scrubbing | This setting Enables or Disables ECC demand scrubbing. | |
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Patrol Scrubbing | This setting Enables or Disables ECC patrol scrubbing. | |
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NorthBridge Configuration
The menu options in the NORTHBRIDGE CONFIGURATION submenu and their descriptions are shown in Table
| Table | |
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Menu Option | Description | |
Static Infomation | This menu displays static information for NB Revision and the Current QPI | |
Frequency. | ||
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Crystal Beach / DMA | This setting allows you to Disable or Enable the Crystal Beach DMA | |
| Configuration. | |
IOH Max Payload | Use this setting to set the IOH Max Payload Size to either 128B or 256B. | |
Size | ||
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