Memory Sparing Function - Fujitsu PRIMERGY RX200 S4 User Manual

Chapter 6 Installing Internal Options
3
Select [Advanced System Configuration] in the [Advanced] menu, and press
the [Enter] key.
"7.2.5 Advanced Menu" (p.183)
4
Select the [Memory Redundancy] item, and press the [Enter] key.
5
Select [Mirroring], and press the [Enter] key.
6
Select [Save Changes & Exit] in the [Exit] menu and press the [Enter] key.
A message confirming whether to save the BIOS setting change is displayed.
7
Select [Yes] and press the [Enter] key.
After the system restarts, the memory mirror configuration becomes effective.

Memory sparing function

Change settings with the BIOS setup utility to use the memory sparing function. A spare memory pair is
reserved by this function without using a bank of the installed memory module. The available memory
capacity (logical capacity) is two-thirds of the physical capacity.
If a recoverable memory failure occurs, the defective memory pair is replaced with the reserved memory
decreasing the occurrence of irrecoverable memory failure.
Installation conditions
Three memory pairs need to be installed in a memory board. The last pair becomes the spare. Two spare
memory configuration can be established in the memory banks 1, 3, and 5, and memory banks 2, 4, and
6.
BIOS settings
After installing the memory modules, perform the following settings to enable the memory sparing
function.
1
Install the memory modules.
"6.4.4 How to Install or Remove Memory Modules" (p.145)
2
Start the BIOS Setup Utility.
"7.2.1 Starting and Exiting the BIOS Setup Utility" (p.176)
3
Select [Advanced System Configuration] in the [Advanced] menu, and press
the [Enter] key.
"7.2.5 Advanced Menu" (p.183)
4
Select the [Memory Redundancy], and press the [Enter] key.
5
Select the [Sparing], and press the [Enter] key.
144