Dell HR675 owner manual Removing Memory Modules, 111, Sample Memory Module Configurations Total

•Install memory modules in bank 1 (DIMM1_x) before installing memory modules in bank 2 (DIMM2_x), and install memory modules in bank 2 before installing memory modules in bank 3 (DIMM3_x).

•Configurations of three or five memory modules are not supported.

Table 3-1. Sample Memory Module Configurations

Total
Memory	DIMM1_A	DIMM1_B	DIMM2_A	DIMM2_B	DIMM3_A	DIMM3_B
512 MB	512 MB
1 GB	512 MB	512 MB
1 GB	1 GB
2 GB	512 MB	512 MB	512 MB	512 MB
2 GB	1 GB	1 GB
3 GB	512 MB	512 MB	512 MB	512 MB	512 MB	512 MB
4 GB	1 GB	1 GB	1 GB	1 GB
4 GB	2 GB	2 GB
6 GB	1 GB	1 GB	1 GB	1 GB	1 GB	1 GB
8 GB	2 GB	2 GB	2 GB	2 GB
12 GB	2 GB	2 GB	2 GB	2 GB	2 GB	2 GB
24 GB	4 GB	4 GB	4 GB	4 GB	4 GB	4 GB

Removing Memory Modules

CAUTION: Only trained service technicians are authorized to remove the system cover and access any components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and from the peripherals.

2Remove the system cover (see "Removing the System Cover" on page 66).

3Remove the processor airflow shroud (see "Removing the Processor Airflow Shroud" on page 70).

Installing System Components

111