Memory
Advanced ECC (Standard) Memory Technology
This section details the features and DIMM installation requirements for advanced
ECC memory.
Features
Advanced ECC memory has the following features and advantages:
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The ProLiant DL580 Generation 2 server supports up to 32 GB of system
memory. Each memory board supports up to 16 GB of system memory using
2-GB DIMMs.
Advanced ECC memory detects both single-bit and multi-bit errors, and corrects
single-bit errors. It can also detect and correct multi-bit errors that occur within a
single DRAM chip on a DIMM, thereby providing limited fault tolerance.
— Hot-Add functionality allows you to upgrade the amount of server memory
without powering down or rebooting the server. To use this functionality,
you need Windows Server 2003 Enterprise Edition, system BIOS, and a Hot-
Add memory driver. For more information, refer to the
HP ProLiant DL580
Generation 2 and HP ProLiant ML570 Generation 2 Server Hot-Add
Memory
booklet on
www.hp.com
.
DIMM Installation Requirements
Observe the following DIMM configuration requirements when installing DIMMs:
DIMMs must be installed in groups of four, one bank at a time.
DIMMs within a group must be identical. Installing DIMMs of different
capacities into the same bank prevents the system from booting.
Bank A must always be populated. To ease subsequent DIMM installations,
install the DIMMs in sequential order (bank B next, then bank A on memory
board 2, and then bank B on memory board 2).
Be sure that memory board slot 1 is populated.
Use only industry-standard PC1600 registered ECC DDR SDRAM DIMMs.
HP ProLiant DL580 Generation 2 Server Setup and Installation Guide
6-9
HP CONFIDENTIAL
Writer: Karen Hale File Name: g-ch6 Memory.doc
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