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Removal and replacement procedures 55
Configuring the memory
Configuring the memory system of the server requires configuring both hardware and software.
To configure the memory:
1. Install the correct amount of memory for the desired AMP mode. For a list of AMP options, refer to
"Memory options ("Memory overview" on page 50)." For more information, refer to "General
memory configuration requirements (on page 50)."
2. Test the DIMMs for all AMP modes, except Advanced ECC, before configuring the AMP mode in
RBSU. The two testing methods are:
• POST memory test (on page 55)
• ROM-Based Diagnostics test ("ROM-based diagnostics" on page 55)
NOTE: If the total amount of memory has changed, the POST memory test will run automatically. Additional
memory testing is not necessary.
3. Select the AMP mode ("Selecting the AMP mode" on page 55).
POST memory test
1. Power on the server.
2. Press the F9 key, when prompted, to enter RBSU.
3. Select Advanced Options.
4. Change POST Speed Up to Disable.
5. Press any key to return to the RBSU main menu.
6. Press the F10 key, when prompted, 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, if desired.
ROM-based diagnostics
1. Power up the server.
2. Press the F10 key, when prompted, to enter the System Maintenance menu.
3. Select Diagnostics.
4. Run the Memory Diagnostics.
5. After the memory has been tested, exit the utility and reboot.
6. Select the AMP mode ("Selecting the AMP mode" on page 55).
Selecting the AMP mode
1. Upon reboot, press the F9 key, when prompted, to enter RBSU.
2. Select System Options.
3. Select Advanced Memory Protection.
4. Select the desired memory mode.
• Advanced ECC (hot-add enabled)
• Advanced ECC (hot-add disabled)
• Online Spare Memory with Advanced ECC
• Hot-Plug Mirrored Memory with Advanced ECC
• Hot-Plug RAID Memory with Advanced ECC