Bull R424-E2, Installation And User Manual, Page: 120 / 182

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ullx R424-E2/R424-INF-E2 and R424-F2/R424-INF-F2 Installation and User's Guide
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Advanced Chipset Control
The items included in the Advanced Settings submenu are listed below:
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CPU Bridge Confi guration
QPI Links Speed
This feature selects QPI's data transfer speed. The options are Slow-mode,
and Full Speed .
QPI Frequency
This selects the desired QPI frequency. The options are Auto , 4.800 GT,
5.866GT, 6.400 GT.
QPI L0s and L1
This enables the QPI power state to low power. L0s and L1 are automatically
selected by the motherboard. The options are Disabled and Enabled.
Memory Frequency
This feature forces a DDR3 frequency slower than what the system has
detected. The available options are Auto , Force DDR-800, Force DDR-1066,
and Force DDR-1333.
Memory Mode
The options are Independent , Channel Mirror, Lockstep and Sparing.
Independent - All DIMMs are available to the operating system.
Channel Mirror - The motherboard maintains two identical copies of all data
in memory for redundancy.
Lockstep - The motherboard uses two areas of memory to run the same set
of operations in parallel.
Sparing - A preset threshold of correctable errors is used to trigger fail-over.
The spare memory is put online and used as active memory in place of the
failed memory.
Demand Scrubbing
A memory error-correction scheme where the Processor writes corrected data
back into the memory block from where it was read by the Processor. The
options are Enabled and Disabled .