Lenovo 6290, Hardware Maintenance Manual

Page: 32 / 136

Installing memory
Your computer has two connectors for installing dual inline memory modules
(DIMMs) that provide up to a maximum of 2 GB of system memory.
When installing memory the following rules apply:
v
Fill each system memory connector sequentially starting at DIMM connector 1.
v Use 2.5 V 184-pin double data rate synchronous dynamic random access
memory (DDR SDRAM) non-ECC DIMMs.
v
Use 128 MB 256 MB 512 MB or 1 GB DIMMs in any combination.
v
Modules are 38.1 mm (1.5 inches) in height.
Note:
Only DDR SDRAM DIMMs can be used.
To install DIMMs:
1. Access the system board. See “Accessing system board components” on page
21..
2. locate the DIMM connectors. See “Identifying parts on the system board” on
page 25.
3. Open the retaining clips.
4. Make sure the notch in the DIMM aligns with the tab on the connector. Push or
insert the memory module straight down into the connector until the retaining
clips close.
5. Slide the CD and diskette drive tray back into position and insert the two
holding screws.
6. Replace the PCI riser if it was removed.
7. Replace the cover. See “Replacing the cover and connecting the cables” on page
30..
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Hardware Maintenance Manual