Installing Memory - Lenovo 8453 User Manual

Installing memory

Your computer has either two or four connectors for installing dual inline memory
modules (DIMMs). Some computers have two memory connectors that provide up
to a maximum of 2.0 GB of system memory. Some computers have four memory
connectors that provide up to a maximum of 4.0 GB of system memory.
v If your computer has just two memory connectors, your system board has DDR
v If your computer has four memory connectors, your system board has DDR2
To install a memory module:
1. Remove the computer cover. See "Removing the cover" on page 10.
2. Access the system board. See "Accessing system board components" on page
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
5. Open the retaining clips.
6. Position the memory module over the memory connector. Make sure that the
type memory. DDR memory modules are 184-pin, 2.5 V and can be used in any
combination of 256 MB, 512 MB, and 1 GB sizes.
type memory. DDR2 memory modules are 240-pin, 1.8 V and can be used in any
combination of 256 MB, 512 MB, and 1 GB sizes.
12.
page 13.
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.
Chapter 1. Installing options
17