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Hardware Options Installation
59
For example, if bank A is populated with two 256-MB DIMMs and bank B is
populated with two 512-MB DIMMs, bank C must be populated with two
512-MB or greater DIMMs in order for online spare memory support to
function properly.
After installing DIMMs, use RBSU to configure the system for online spare
memory support ("Configuring Online Spare Memory" on page
103
).
DIMM Installation Guidelines
You must observe the following guidelines when installing additional memory:
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·
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Always install memory in pairs of two identical DIMMs.
Install only PC2-3200 Registered DDR-2 SDRAM DIMMs, 1.8 volts, 72 bits
wide, and ECC.
Install DIMMs with the same speed.
Install DIMMs into both slots within a single bank. Install DIMMs in order.
Upgrade memory by installing DIMM pairs into banks in sequential bank
order, starting with bank B.
For online spare memory support, you must also observe additional guidelines
("Online Spare Memory Configuration" on page
58
).
Installing DIMMs
1. Power down the server ("Powering Down the Server" on page
33
).
2. Extend the server from the rack, if applicable ("Extending the Server from
the Rack" on page
50
).
3. Remove the access panel ("Removing the Access Panel" on page
34
).
4. Open the DIMM slot latches.