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Non-hot swap power supply
Before you begin:
v Read Appendix B, “Safety information,” on page 127.
v Review the information in “System reliability considerations” on page 23.
To remove the non-hot-swap power supply, complete the following steps:
1. Turn off the computer, if it is on.
2. Disconnect the power cord from the power source and from the computer; then,
disconnect all external cables.
3. Remove the cover (see “Removing the side cover” on page 25).
4. Disconnect internal cables from the power supply to the system board and any
other components to which it is attached, making a note of where they connect.
5. Remove the screws from the rear of the computer.
6. Gently move the power supply away from the chassis and lift it out of the
computer.
To replace the non-hot-swap power supply, complete the following steps:
1. Align the tabs on the top of the power supply with the tab slots on the underside
of the top rear of the chassis, and slide the power supply toward the rear of the
chassis.
2. Secure the power supply to the rear of the chassis with the four screws.
3. Reconnect the power cables.
62 IntelliStation Z Pro Types 6223 and 6227: Hardware Maintenance Manual and Troubleshooting Guide