Programming instructions

138
3300 ICP Technician’s Handbook
RTC Processor (MXe)
To replace the RTC processor in an MXe:
1. Power down the controller (see page 99).
2. Remove the controller cover (see page 101).
3. Disconnect cables from the main board.
4. Disconnect ribbon cable from the interconnect card or RAID controller.
5. Remove the single screw that secures the main board to the chassis.
6. With the rear of the controller facing you, slide main board towards the
front of the chassis and pull it up.
7. Set the main board on a flat surface with the under side facing up.
8. Remove four screws and pull off the old RTC.
9. Seat the new RTC onto the main board and secure with four screws.
10. Attach the cables to the main board.
Figure 25: CX/CXi, AMB ribbon cable