Memory Clock; Memory Ras Feature - NEC Express5800 User Manual

9-84 Upgrading Your Server

Memory Clock

Memory clock speed depends on CPU model and whether the additional 16GB memory board is
installed or not.
Y
Four or more DIMMs are
installed per one CPU.
Operates at 800MHz
memory frequency.
<Example>

Memory RAS Feature

Your server supports Memory RAS feature (memory mirroring, memory sparing, and memory
LockStep features). For configuration, see "Using the Memory RAS Features" described later.
To use Memory RAS feature, you need to remove the factory-installed DIMMs and install
2GB/4GB/8GB/16GB DIMMs.
Y
A 16-GB additional memory board installed.
Y
The installed CPU is Xeon E5620 or E5640.
Three or less DIMMs are installed
per one CPU.
N
[Normal] is selected for [Advanced] →
[Memory Voltage] in BIOS SETUP menu.
Operates at 1066MHz
memory frequency.
N
N
Y
N
Y
N
Operates at 1333MHz
memory frequency.