HP DL120 ProLiant DL120 Generation 5 Server Maintenance and Service Guide - Page 52

Memory, Memory installation guidelines

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Page 52 highlights

Memory The system has four DIMM slots that support up to 8 GB maximum system memory (2 GB in each of the four DIMM slots). The DIMM slots' holding clips are color-coded to indicate the correct population sequence in a singleor two-DIMM configuration. • Black DIMM slots - DIMM_CH1_C and DIMM_CH2_D • Blue DIMM slots - DIMM_CH1_A and DIMM_CH2_B Memory installation guidelines Observe the following important guidelines when installing memory modules: • Use only HP supported 800 MHz unbuffered ECC DDR II DIMM in 512 MB, 1 GB, or 2 GB capacities. • All DIMMs installed must be of the same speed. • Supported DIMM configurations include: ○ Single DIMM (non-interleaving) - It must be installed in the DIMM_CH1_A slot. ○ Two DIMMs (interleaving) - Populate the blue DIMM slots (DIMM_CH1_A and DIMM_CH2_B). ○ Four DIMMs - For optimum performance, the amount of memory in the black DIMM slots should be equal to the amount in the blue DIMM slots. • DIMMs can be damaged by improper handling. Always use an anti-static wrist strap and grounding mat, and discharge static electricity before touching DIMMs. Removal and replacement procedures 52

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Removal and replacement procedures
52
Memory
The system has four DIMM slots that support up to 8 GB maximum system memory (2 GB in each of
the four DIMM slots).
The DIMM slots’ holding clips are color-coded to indicate the correct population sequence in a single-
or two-DIMM configuration.
•
Black DIMM slots – DIMM_CH1_C and DIMM_CH2_D
•
Blue DIMM slots – DIMM_CH1_A and DIMM_CH2_B
Memory installation guidelines
Observe the following important guidelines when installing memory modules:
•
Use only HP supported 800 MHz unbuffered ECC DDR II DIMM in 512 MB, 1 GB, or 2 GB
capacities.
•
All DIMMs installed must be of the same speed.
•
Supported DIMM configurations include:
○
Single DIMM (non-interleaving) – It must be installed in the DIMM_CH1_A slot.
○
Two DIMMs (interleaving) – Populate the blue DIMM slots (DIMM_CH1_A and
DIMM_CH2_B).
○
Four DIMMs – For optimum performance, the amount of memory in the black DIMM slots
should be equal to the amount in the blue DIMM slots.
•
DIMMs can be damaged by improper handling. Always use an anti-static wrist strap and
grounding mat, and discharge static electricity before touching DIMMs.