●
Load the memory module pairs in order of size, from smallest to largest.
Figure 4-15 Identifying memory slots
The BIOS generates warnings/errors on invalid memory configurations.
●
If there is no way to obtain a valid memory configuration by disabling some of the plugged-in
memory, the BIOS will halt with a diagnostics 2006 code for memory error (five beeps and blinks).
●
If the BIOS can find a valid memory configuration by disabling some of the plugged-in memory, it
will do so and report a warning during POST (“215-mismatched memory”). The system can still be
booted in this condition.
Installing a DIMM
1. Disconnect power from the system ( Pre-disassembly procedures on page 53) and remove the
access panel (
Access panel on page 58). Lay the workstation on its side with the system board
facing up.
2. Press the green tab at the base of the memory fan (1) and lift it up (2) to expose the memory
modules.
Figure 4-16 Rotating the memory fan
68 Chapter 4 Removal and replacement procedures ENWW
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