Installing memory

Your computer has two connectors for installing double date rate 2 dual inline memory modules (DDR2 DIMMs) that provide up to a maximum of 4.0 GB of system memory.

When installing memory modules, the following rules apply:

vUse 1.8 V, 240-pin, double data rate 2 synchronous dynamic random access memory (DDR2 SDRAM).

vUse 256 MB, 512 MB, 1 GB, or 2 GB memory modules in any combination up to a maximum of 4.0 GB.

Note: Only DDR2 SDRAM DIMMs can be used.

To install a memory module:

1.Remove the computer cover. See “Removing the cover” on page 22.

2.You might have to remove the drive bay assembly to access the memory connectors. See “Accessing system board components” on page 24.

3.Remove any parts that might prevent access to the memory connectors.

4.Locate the memory connectors. See “Identifying parts on the system board” on page 25.

5.Open the retaining clips.

6.Position the memory module over the memory connector. Make sure that the notch 1 on the memory module aligns correctly with the connector key2 on the system board. Push the memory module straight down into the connector until the retaining clips close.

Chapter 3. Installing options 29

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Lenovo 9628, 8972, 8980, 8970, 8976, 8982, 9276, 9266, 9695, 9380, 9632, 9647, 9384, 9374, 9649, 9378, 9282, 8986, 9286 Installing memory

9628, 8706 Types 8716, 9282, 9276, 8994 specifications

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