Lenovo 3000 J Series Personal Computer User Manual


 
Installing memory
Your computer has two connectors for installing DIMMs that provides up to a
maximum of 4.0 GB of system memory.
When installing memory modules, the following rules apply:
v Use 1.8 V, 240-pin DDR2 SDRAM.
v Use 256 MB, 512 MB, 1.0 GB or 2.0 GB memory modules in any combinatio up
to 4.0.
To
install a memory module:
1. Removing the cover. See “Removing the cover” on page 20.
2. Locate the memory connectors. See “Identifying parts on the system board” on
page 21.
3. Open the retaining clips.
4. Position the memory module over the memory connector. Make sure that the
notch 1 on the memory module aligns correctly with the connector key2 on
the system board. Push the memory module straight down into the connector
until the retaining clips close.
What to do next:
v To work with another option, go to the appropriate section.
v To complete the installation, go to “Replacing the cover and connecting the
cables” on page 37.
24 User Guide