User's Manual (1.0b)

Chapter 4: AMI BIOS
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Migration Spare
Use this feature to set the bit-mask of the riser card that is designated as a spare
riser. The default setting is 0.
Current Memory Speed
This item displays the current memory speed.
Mirroring
This item indicates if memory mirroring is supported by the motherboard. Memory
mirroring creates a duplicate copy of the data stored in the memory to enhance
data security.
Sparing
This item indicates if memory sparing is supported by the motherboard. Memory
sparing enhances system performance.
Memory Rank Sparing
This item indicates if memory rank sparing is supported by the motherboard. Memory
rank sparing enhances system performance.
Spare Error/Memory Correctable Thr (Threshold)
Use this feature to set the correctable error threshold for spare memory modules.
The default setting is 10.
Leaky Bucket Low Bit
Use this feature to set the Low Bit value for the Leaky Bucket algorithm which
is used to check the data transmissions between CPU sockets and the memory
controller. The default setting is 40.
Leaky Bucket High Bit
Use this feature to set the High Bit value for the Leaky Bucket algorithm which
is used to check the data transmissions between CPU sockets and the memory
controller. The default setting is 41.
Publish SRAT (Static Resource Afnity Table)
Select Enable for the BIOS to report the ACPI SRAT table to the OS in order to
enhance CPU and memory performance when the NUMA (Non-Uniformed Memory
Access) is optimized. The options are Enable and Disable.
SLIT (System Locality Information Table) One Hop Value
Select Enable for the BIOS to build the SLIT table to show the differences between
the remote latency ratio and the local latency ratio to further optimize system per-
formance for Linux Kernel 2.6 or later platforms. The default setting is 21.