Service manual

Removal and Replacement 7-19
Removal
1. Shut down the operating system and power down the system.
2. Expose the system drawer.
3. Expose the system bus card cage. Remove the two Phillips head screws holding
the cover in place and slide it off the drawer.
4. Identify and remove faulty CPU. A label to the left of the system bus card cage
identifies which slot contains CPU0, CPU1, CPU2, or CPU3. The CPU is held
in place with levers at both ends; simultaneously raise the levers and lift the
CPU from the cage.
Replacement
Reverse the steps in the Removal procedure.
Verification — DIGITAL UNIX and OpenVMS Systems
1. Bring the system up to the SRM console by pressing the Halt button, if
necessary.
2. Issue the show cpu command to display the status of the new module.
Verification — Windows NT Systems
1. Start AlphaBIOS Setup, select Display System Configuration, and press
Enter.
2. Using the arrow keys, select MC Bus Configuration to display the status of the
new module.