Lenovo ThinkStation C30 Hardware Maintenance Manual - ThinkStation C30 - Page 110

the system board

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5. Remove the optical drive. See "Installing or replacing the optical drive" on page 87. 6. Pivot the optical drive bracket as shown in the following illustration and then remove it from the chassis. Figure 34. Removing the optical drive bracket 7. Locate the front audio and USB assembly in the computer. See "Locating FRUs and CRUs" on page 73. 8. Remove the front fan assembly for easier access to the front audio and USB assembly cables. See "Replacing the front fan assembly" on page 93. 9. Disconnect the front audio and USB assembly cables from the system board. See "Locating parts on the system board" on page 76. Note: Ensure that you note the locations of the cables when you disconnect the cables from the system board. 104 ThinkStation Hardware Maintenance Manual

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5. Remove the optical drive. See “Installing or replacing the optical drive” on page 87.
6. Pivot the optical drive bracket as shown in the following illustration and then remove it from the chassis.
Figure 34. Removing the optical drive bracket
7. Locate the front audio and USB assembly in the computer. See “Locating FRUs and CRUs” on page 73.
8. Remove the front fan assembly for easier access to the front audio and USB assembly cables. See
“Replacing the front fan assembly” on page 93.
9. Disconnect the front audio and USB assembly cables from the system board. See “Locating parts on
the system board” on page 76.
Note:
Ensure that you note the locations of the cables when you disconnect the cables from the
system board.
104
ThinkStation Hardware Maintenance Manual