IBM IntelliStation M Pro 6233 Hardware Maintenance Manual page 91

7. Disconnect the cables.
Note: Be sure to disconnect the (2) cables that are connected to the SCSI
connectors underneath the fan assembly.
8. Removes (1) screw which fastens the metal system board backing plate to the
chassis.
9. Remove the system board backing plate from the chassis by pushing (2) blue
tabs toward the front of the computer.
10. Gently pull the system board with backing plate from the system.
FRU information (service only)
81