Configuring The Memory - HP StorageWorks NAS 9000s Quick Reference And Rack Installation Instructions

Online Spare
Install DIMMs in groups of four.
Bank A must always be populated.
All DIMMs in a bank must be identical.
System has no hot-plug capabilities in this configuration.
One or two memory boards can be configured for online
spare.
DIMMs in the online spare bank must be of equal or greater
capacity than all other banks.
Bank B on the memory board in slot 1 is the online spare
bank, even if two memory boards are installed, and must be
populated in this configuration.
Single-Board Mirrored Memory
Install DIMMs in groups of four.
Bank B mirrors bank A. Bank A must always be populated.
All DIMMs in a bank must be identical.
Hot-Plug Mirrored Memory
Install DIMMs in groups of four.
Bank A must always be populated.
All DIMMs in a bank must be identical.
The "Ready to Hot Plug" LED indicates when a memory
board can be hot-plugged.
Two memory boards must be installed.
Both memory boards must be configured identically to enable
mirroring. Corresponding banks (for instance, bank A on the
memory board in slot 1 and bank A on the memory board in
slot 2) must be populated with DIMMs of the same capacity.
3. Installing and Testing the DIMMs
If you plan to use online spare memory or hot-plug mirrored
memory, HP recommends testing new DIMMs.
To test DIMMs during each boot:
1. Power on the server.
2. Press the F9 key to enter RBSU.
3. Select Advanced Options.
4. Change POST Speed Up to disable.
5. Press the Esc key twice to return to the main RBSU menu.
6. Press the F10 key to exit RBSU. The server reboots and tests
all memory in the system.
7. Once the memory has been tested, re-enable POST Speed Up
for faster system boot.
8. Configure your memory.

4. Configuring the Memory

Note: To reconfigure the memory mode after initial setup, you must
reboot the system and enter RBSU.
You must configure the memory in the server before deployment.
To configure memory through RBSU:
1. Press the F9 key to enter RBSU.
2. Select System Options.
3. Select Advanced Memory Protection.
4. Select your memory mode.
5. Press the Enter key.
6. Press the Esc key twice to return to the main RBSU menu.