Compaq Deskpro 4000N - Desktop PC, Maintenance & Service Manual

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Compaq Deskpro 4000S and 4000N Personal Computers 5-19
5.13 System Board Components
5.13.1 Memory Modules
Memory may be expanded by adding or replacing up to two DIMMs on the system board.
CAUTION: Static electricity can damage the electronic components of the computer or optional boards.
Before beginning these procedures, ensure that you are discharged of static electricity by briefly touching
a grounded metal object.
CAUTION: When handling a memory module, be careful not to touch any of the contacts. Doing so can
damage the module.
To remove a memory module, complete the following steps:
1. Prepare the computer for disassembly (Section 5.4).
2. Remove the system unit cover (Section 5.7).
3. Remove the expansion board cage (Section 5.9).
4. Rotate the power supply to an upright position.
5. Rotate the drive cage to an upright position.
6. Slide the system board about 1- to 2-inches (2.5- to 5.1-cm) out of the rear of the chassis.
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It is not necessary to disconnect any cables from the system board for this operation.