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Memory
You can expand system memory by installing synchronous DDR DIMMs. A
ProLiant BL20p G3 server blade supports up to four PC2-3200 ECC registered DDR
SDRAM DIMMs.
DIMM Installation Guidelines
You must observe the following guidelines when installing additional memory:
Install only PC2-3200 registered DDR, 3.3-V, 72-bit wide, ECC DIMMs in the
server blade.
Install identical DIMMs as pairs only, starting with DIMM socket 1, bank A.
Populate both slots in a bank at the same time: DIMMs 1 and 2 reside in bank A,
and DIMMs 3 and 4 reside in bank B.
NOTE: The server blade ships with at least two DIMMs installed in DIMM slots 1A
and 2A.
Installing DIMMs
Before installing DIMMs, review the "DIMM Installation Guidelines" section in this
chapter.
WARNING: To reduce the risk of personal injury from hot surfaces, allow the
internal system components to cool before touching them.
CAUTION: Electrostatic discharge can damage electronic components. Properly
ground yourself before beginning any installation procedure. Refer to Appendix D,
"Electrostatic Discharge," for more information.
HP ProLiant BL20p Generation 3 Server Blade User Guide
CAUTION: Use only HP DIMMs. DIMMs from other sources are known to
adversely affect data integrity.
Hardware Options Installation
4-9
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