User guide

System BIOS configuration 12
Table 5 CPU Configuration submenu fields
Field Description Options
Provides maximum protection against failed DIMMs. Uncorrectable
errors in one channel are corrected by the mirror channel.
Mirrored
Memory
Lockstep between channel 0 and 1. Provides enhanced protection
while making all installed memory available to the operating system.
The server can continue to function if a single- or multi-bit memory
failure within a single DRAM device occurs.
Lockstep
Mode
2DPC @1333 The system will operate at a maximum of 1066MHz when 2 DIMMs
are installed on any memory channel. It is default setting.
Disable
Allow configuring the system to run DIMMs (1Rank or 2Ranks) at
1333MHz when up to 2 DIMMs are installed on a memory channel.
Enable
Intel VT-d Disabled the Intel Processors feature which called Virtualization
Technology for Directed I/O.
Disabled
Enabled the Intel Processors feature which called Virtualization
Technology for Directed I/O. It is the default value.
Enabled
QPI Optimization RTID allocation is set to 24-16-24. This is default value. Balanced
RTID allocation is set to 32-8-24.
Optimized for
Memory
1GB PCI Memory Gap Allocated 1GB of space (3GB – 4GB) for PCI mapped memory. It is
the default setting.
Enabled
Not allocated 1GB of space (3GB – 4GB) for PCI mapped memory. Disabled