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Precision 7960 Rack Service Manual

Removing the system board

  1. Follow the procedure in Before working inside your computer.
    NOTE:Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
    NOTE:Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board.
    NOTE:Before disconnecting the cables from the system board, note the location of the connectors so that you can reconnect the cables correctly after you replace the system board.
  2. Remove the system cover.
  3. Remove the air shroud.
  4. Remove the cooling fan assembly.
  5. Remove the left control panel.
  6. Remove the right control panel.
  7. Remove the left wall bracket.
  8. Remove the right wall bracket.
  9. Remove the memory module.
  10. Remove the riser card 1.
  11. Remove the riser card 2.
  12. Remove the riser card 3.
  13. Remove the riser card 4.
  14. Remove the processors and heat-sink module.

The following images indicate the location of the system board and provide a visual representation of the removal procedure.

The following image indicates the connectors on your system board:

System board connectors

  1. Battery SIG connector
  2. PCIe connector 9
  3. Rear I/O connector
  4. Riser 3 power connector
  5. Riser 3 - CPU 2 required
  6. SATA connector 10
  7. TPM Connector
  8. OCP NIC 3.0 connector
  9. Coin cell battery
  10. PCIe connector 13
  11. Riser 2
  12. PCIe connector 11
  13. LOM connector
  14. Riser 1
  15. iDSDM slot
  16. Power connector 0
  17. BOSS_PWR/ODD_PWR connector
  18. PSU 1 PUCK sideband signal
  19. PCIe connector 12
  20. Power 1_A
  21. Power 1_B
  22. Front VGA connector
  23. CPU 1
  24. DIMMs for CPU 1
  25. PCIe connector 8
  26. Right control panel connector
  27. Fan 6
  28. Power connector 2
  29. PCIe connector 7
  30. Fan 5
  31. PCIe connector 4
  32. Fan 4
  33. PCIe connector 3
  34. Power connector 1
  35. PCIe connector 6
  36. Fan 3
  37. PCIe connector 5
  38. Fan 2
  39. PCIe connector 2
  40. Fan 1
  41. PCIe connector 1
  42. Left control panel connector
  43. DIMMs for CPU 1
  44. DIMMs for CPU 2
  45. CPU 2
  46. DIMMs for CPU 2
  47. Power 2_A
  48. Power 2_B
  49. Riser 4 - CPU 2 required
  50. PSU 2 PUCK sideband signal
  51. P16 for CPLD RACK_MGR

Removing the system board

Removing the system board step 2

  1. Disconnect all the cables from the system board and make note of all the cable connections.
  2. Using the system board holder and plunger, slide the system board towards the front of the computer.
  3. At a tilted angle, lift the system board out of the chassis.

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