1. Installing Internal Optional Devices
Express5800/R120g-2E User's Guide
71
Chapter 2 Preparations
The memory mirroring feature can be used under the following conditions:
•
Install DIMMs in DIMM sockets to configure a mirror set.
•
Use DIMMs having the same model number as DIMMs to be installed on a mirror set.
•
See
Chapter 2 (1. System BIOS)
in "
Maintenance Guide
" to change parameters as shown below, save the
settings, and exit fromSETUP.
Advanced
→
Memory Configuration
→
Memory RAS Mode
→
Change to
Mirroring
.
•
After restarting, run SETUP again, and check if "
Mirrored
" is displayed for the following parameter.
Advanced
→
Memory Configuration
→
Memory Information
→
CPUx_DIMMx Status
•
Memory Mirroring feature cannot be used together with Memory LockStep feature.
•
Installation order depends on CPU configuration. See the figure below.
2-CPU
configuration
1-CPU
configuration
1st set
3rd set
1st set
3rd set
4th set
2nd set
4th set
2nd set
4th set
8th set
4th set
8th set
6th set
2nd set
6th set
2nd set
1st set
5th set
1st set
5th set
7th set
3rd set
7th set
3rd set
