31. password jumper 32. hard-drive fan connector
33. SATA connectors 34. USB 3.0 connector for front panel
35. CPU1 fan connector 36. front panel connector
37. thermal sensor connector 38. internal USB 2.0 connector
39. HDD1 fan connector
Removing the System Board
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
a. left cover
b. optical drive holder
c. optical drive
d. memory shroud base (s)
e. memory shrouds
f. heatsink
g. PCIe card retention
h. PCIe card (s)
i. memory module (s)
j. processor
3. Disconnect all the connectors from the system board.
4. Remove the screws that secure the system board to the chassis.
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