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Memory removal and installation - ThinkCentre A50, S50

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

When installing memory, the following rules apply:

  • Use 2.5V, 184-pin, double data rate static random access memory (DDR SDRAM), non-ECC DIMMs.
  • Use 128MB, 256MB, 512MB, or 1GB DIMMs (when available) in any combination.

    Note: Only DDR SDRAM DIMMs can be used.

To install DIMMs

  1. Turn off the computer and disconnect the power cord from the electrical outlet and from the computer.
  2. Disconnect all other cables attached to the computer.
  3. Open the cover. See "Cover removal ".
  4. Access the system board. See "Accessing system board components and drives".
  5. Locate the DIMM connectors. See "Identifying parts on the system board".
  6. Open the retaining clips.

open retaining clips

  1. 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.

insert memory module until clips close

  1. Replace the PCI riser and adapters if it was removed.
  2. Place the drives back to the original position.
  3. Replace the cover. See "Closing the cover and connecting the cables".
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Document ID : PD011186
Legacy Document ID : MIGR-51018
Last Updated :
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