NEC Express5800 User Manual page 337

Maximum memory capacity by supported OS
Supported OS
Microsoft Windows Server 2008,
Standard Edition
Microsoft Windows Server 2003
R2, Standard Edition
Microsoft Windows Server 2003
R2, Standard x64 Edition
Microsoft Windows Server 2008,
Standard x64 Edition
Microsoft Windows Server 2008
R2, Standard Edition
Installation Order and Notes
Single channel memory configuration
Install DIMMs one by one in the ascending order of DIMM slot numbers.
Dual channel memory configuration
To activate the dual channel mode, the following conditions must be met:
– Matched DIMM configuration in each channel
– Same density*
– Same DRAM technology*
– Same DRAM bus width*
– All either single-sided or dual-sided
– Matched in both channels.
– Populate symmetrical memory slots (#1 and #2, #3 and #4).
The following table lists an example of the relationship between the installation condition
and the dual channel memory mode.
Installation
example
1
2
3
4
Dual channel
Slot #1
memory mode
Active
(factory-installed
Active
(factory-installed
Inactive
(factory-installed
Inactive
(factory-installed
Maximum
memory capacity
supported by OS
4GB
32GB
Slot #2
1GB
1GB
1GB
1GB
1GB
None
1GB
1GB
Upgrading Your Server 9-47
Maximum memory capacity
supported by the server
When using HW-DEP feature
(factory default): 4GB
When not using HW-DEP feature:
Approx. 3.3GB
Note: If HW-DEP feature is not
used, change [Execute
Disable Bit (XD Bit)] to
"Disabled" on BIOS SETUP.
The factory-setting of this
parameter is "Enabled".
16GB
Slot #3 Slot #4
None None
2GB 2GB
None None
1GB None