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   Compaq Professional Workstation AP550 Maintenance and Service Guide
5.25-Inch Drive
To remove a 5.25-inch drive:
 1. Perform the steps in the “Service Preparations” section as previously shown.
CAUTION:
  Before removing the workstation access panel, ensure that the workstation is
turned off, all cables are disconnected from the back of the workstation, and the power cord is
disconnected from the grounded AC outlet.
 2. Remove the workstation access panel.
 3. Remove the front bezel.
 4. Disconnect the power 1, data 2, and audio 3 cables from the back of the hard drive.
1
2
3
Figure 3-16.  Disconnecting the cables