HP DL120 - Manual (Page 52)

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.