User`s manual

Chapter 5: AMI BIOS
5-9
QPI (Quick Path Interconnect) Links Speed
Use this feature to set data transfer speed for QPI Link connections. The options
are Slow and Fast.
QPI Frequency Select (Available if the item - QPI Link Speed is set to
Fast)
This feature is used to set desired QPI frequency. The options are 4.800 GT,
5.866GT, 6.400 GT and Auto.
QPI Scrambling
Select Enabled to enable Bit-Shuffl ing support which will allow bits in the data
fl ow to be shifted around for CRC checking during data transmission and receiv-
ing between the CPUs or between a CPU and an IO hub (IOH). The options are
Enabled and Disabled.
Integrated Memory Controller Confi guration
Interleave Type
Use this feature to select memory interleaving mode. Select Inter-Socket Block
Interleaving to enable memory interleaving between blocks of memory installed
in different DIMM slots. Select Intra-Socket Block Interleaving to enable memory
interleaving between blocks of memory installed in the same DIMM slot. Select
Automatic to allow BIOS to automatically select the memory interleaving mode for
memory modules installed in the system. The options are No Interleaving, Inter-
Socket Block Interleaving, Intra-Socket Block Interleaving, and Automatic.
Interleave Order
Use this feature to set the order of memory interleaving. The options are High
Only, High Low, Low High 0, and Low High 1.
Mirroring
Mirroring support allows data stored in one location to be copied into another
location for data redundancy and security. The options are listed below:
No Mirroring
• (Mirroring Disabled),
Intra-Socket Mirrored Nx1 to Nx3 (Memory Controller 1 to Memory Controller 3
•
of the same DIMM socket),
Intra-Socket Mirrored Nx3 to Nx1 (Memory Controller 3 to Memory Controller 1
•
of the same DIMM socket),
Inter-Socket Mirrored S0 (Socket 0) to S1 (Socket 1), and S2 (Socket 2) to
•
S3 (Socket 3),