HP Integrity rx2800 rx2800 i2 User Service Guide - Page 35
Supported DIMM sizes, Memory loading rules and guidelines, Spread DIMMs evenly between CPUs.
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Table 14 Memory Load Order Pair number 1 2 3 4 5 6 7 8 9 10 11 12 2 CPU system (socket 0 and 1) Riser Memory slots Riser 1 3A and 4A Riser 3 3A and 4A Riser 2 3A and 4A Riser 4 3A and 4A Riser 1 1B and 6B Riser 3 1B and 6B Riser 2 1B and 6B Riser 4 1B and 6B Riser 1 2C and 5C Riser 3 2C and 5C Riser 2 2C and 5C Riser 4 2C and 5C 1 CPU system (socket 0) Riser Memory slots Riser 1 3A and 4A Riser 2 3A and 4A Riser 1 1B and 6B Riser 2 1B and 6B Riser 1 2C and 5C Riser 2 2C and 5C - - - - - - - - - - - - TIP: Loading DIMM pairs on a single riser at a time is also supported, but this reduces system performance. Supported DIMM sizes DIMMs seat onto the four memory riser boards, which seat on the system board. The minimum server configuration requires at least one memory pair (group of two DIMMs) installed on memory riser board 1. Supported DIMM sizes: • 2 GB • 4 GB • 8 GB (future release) • 16 GB (future release) Memory loading rules and guidelines CAUTION: Failure to observe the following cautions results in system degradation or failure: • Only ECC DIMMs are supported. • Load DIMM pairs from largest to smallest capacity. For example, if you have a pair of 4 GB DIMMs and a pair of 2 GB DIMMs, install the pair of 4 GB DIMMs first. NOTE: Faster DIMMs and slower DIMMs can be installed on different slots within the same channel, but faster DIMMs will operat at timing of slowest DIMM populated. • Alternate loading between installed CPUs. Do not install DIMMs if the corresponding CPU is not installed. • Spread DIMMs evenly between CPUs. • Load DIMMs in pairs by increasing letter. Installing additional components 35