HP Integrity rx2620 Installation Guide, Third Edition - HP Integrity rx2620 (A - Page 40

Installing Additional System Memory, Supported DIMM Sizes

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Installing Additional Components Installing Additional System Memory Installing Additional System Memory The HP Integrity rx2620 server has 12 memory sockets for installing DDR SDRAM memory modules (DIMMs). These DIMMs can either be 256 MB, 512 MB, 1 GB, 2 GB, or 4GB. The system supports memory combinations from 1 GB up to 32 GB. System memory DIMMs are located on the system board. WARNING Ensure that the system is powered down and all power sources have been disconnected from the server prior to removing or replacing a processor. Voltages are present at various locations within the server whenever an AC power source is connected. This voltage is present even when the main power switch is in the off position. Failure to observe this warning could result in personal injury or damage to equipment. CAUTION Observe all ESD safety precautions before attempting this procedure. Failure to follow ESD safety precautions could result in damage to the server. Supported DIMM Sizes Supported DIMM sizes are 256 MB, 512 MB, 1 GB, 2 GB, and 4 GB. If 4 GB DIMMs are used, only two configurations (four or eight 4 GB DIMMs in the first four or eight sockets) are supported. You can use dissimilar DIMM sizes across the entire system board (except when using 4 GB DIMMs) but both DIMMs in a pair, and all four DIMMs of any quad must be identical. Figure 3-9 shows the DIMM slot locations. NOTE The system firmware required for 4 GB DIMM operation is 4.0 or later. If you use 4 GB DIMMs, the only configurations allowed are four or eight 4 GB DIMMs, with no other DIMMS allowed in the remaining slots. 40 Chapter 3

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Chapter 3
Installing Additional Components
Installing Additional System Memory
40
Installing Additional System Memory
The HP Integrity rx2620 server has 12 memory sockets for installing DDR SDRAM memory modules
(DIMMs). These DIMMs can either be 256 MB, 512 MB, 1 GB, 2 GB, or 4GB. The system supports memory
combinations from 1 GB up to 32 GB.
System memory DIMMs are located on the system board.
WARNING
Ensure that the system is powered down and all power sources have been
disconnected from the server prior to removing or replacing a processor.
Voltages are present at various locations within the server whenever an AC power
source is connected. This voltage is present even when the main power switch is in
the off position.
Failure to observe this warning could result in personal injury or damage to
equipment.
CAUTION
Observe all ESD safety precautions before attempting this procedure. Failure to follow ESD
safety precautions could result in damage to the server.
Supported DIMM Sizes
Supported DIMM sizes are 256 MB, 512 MB, 1 GB, 2 GB, and 4 GB. If 4 GB DIMMs are used, only two
configurations (four or eight 4 GB DIMMs in the first four or eight sockets) are supported. You can use
dissimilar DIMM sizes across the entire system board (except when using 4 GB DIMMs) but both DIMMs in a
pair, and all four DIMMs of any quad must be identical. Figure 3-9 shows the DIMM slot locations.
NOTE
The system firmware required for 4 GB DIMM operation is 4.0 or later.
If you use 4 GB DIMMs, the only configurations allowed are four or eight 4 GB DIMMs, with no
other DIMMS allowed in the remaining slots.