System BIOS configuration 12
Table
5
CPU Configuration submenu fields
Field
Description
Options
Advanced
Memory
Protection
Provides the greatest memory capacity for a given DIMM size, while
providing up to 4-bit error correction. This mode is the default option for
this server. Always enabled for all modes.
Advanced ECC
Only
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. This is the default value.
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. This is the default value.
Enabled
QPI
Optimization
RTID allocation is set to 24-16-24. This is the 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. This is the
default setting.
Enabled
Not allocated 1GB of space (3GB – 4GB) for PCI mapped memory
Disabled