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      System board diagram - ThinkCentre A52 (type 8154, 8161, 8162, 8163, 8164, 8165) / M52 (type 8111, 8211, 8212, 8213, 8214)

      The system board (sometimes called the planar or motherboard) is the main circuit board in your computer. It provides basic computer functions and supports a variety of devices.

      The following illustration shows the locations of parts on the system board.

      system board diagram

      1. Internal speaker connector
      2. Serial connector 2 (COM2)
      3. PCI Express x16 graphics adapter connector
      4. Power connector
      5. PATA primary IDE connector
      6. Diskette drive connector
      7. 12v power connector
      8. Microprocessor heat sink
      9. Fan connector 1
      10. Front panel connector
      1. Microprocessor
      2. Fan connector 2
      3. Memory connector 1
      4. Memory connector 2
      5. Memory connector 3
      6. Memory connector 4
      7. Battery
      8. PCI riser connector
      9. SATA connectors
      10. Clear CMOS/Recovery jumper
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      • Alias ID: MIGR-61022
      • Document ID: PD004577
      • Last Updated :17 Jun 2014
      • © 2016 Lenovo