Compaq AP500 manual Bracket Assembly, 10Removal and Replacement Procedures

3-10Removal and Replacement Procedures

I/O Bracket Assembly

The I/O bracket assembly (expansion board assembly) contains a backplane board (also called a riser card), card guide, and any expansion boards. To remove the I/O bracket assembly:

1.Perform the service preparations shown on page 3-2, then lay the workstation on its side.

2.Remove the following components:

❏Workstation feet

❏Side access panel

CAUTION: The power supply in the Compaq Professional Workstation AP500 contains an auxiliary power section. Be sure the power switch is off and the unit is unplugged before removing the I/O bracket assembly in the next step.

3.Grasp the I/O bracket assembly and pull it out of the chassis.

Figure 3-9. Removing the I/O bracket assembly

IMPORTANT: After reconnecting the power cord to the grounded AC outlet and to the workstation, DO NOT turn the power button on if the Power LED is a steady amber color. A steady amber color indicates that the I/O bracket assembly is not seated properly. Disconnect the power cord and reseat the I/O bracket assembly.