Replacing The Fan Control Board (Fcb); Figure 42: Removing The Tam Board - Kontron CG2300 Installation And Maintenance Manual

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When handling the TAM board, observe normal safety and ESD precautions. (See Appendix A: Safety Information" for more
information.
Removing the Old TAM Board
To remove the TAM board:
1. Unfasten the two retaining screws from the front of the chassis. (Figure 42)
2. Disconnect the TAM signal cable that is connected to the FP board. (Figure 42)
3. Disconnect the alarms cable that is routed to the rear of the chassis. (Figure 42)
4. Remove the TAM board from the chassis by pulling it away from the front panel of the chassis. (Figure 42)
Installing the New TAM Board
1. Slide the new TAM board toward the front panel and align it with the two holes for the retaining screws. (Figure 42)
2. Fasten the retaining screws from the front panel of the chassis to hold the board in place. (Figure 42)
3. Connect the alarms cable from the FP board to the TAM board. (Figure 42)
4. Connect the alarms cable from the rear of the chassis to the TAM board. (Figure 42)
5. Re-install front bezel, the fan cage, the baseboard power cables, the support cross bar, and the chassis cover. For
instructions, see (RA), (RC), (RG), (RH), and (RL) in Chapter 6.
6. If this is the last task you are performing inside the server chassis, plug in the power cord(s) and re-attach any
peripheral devices.
5.2.17

Replacing the Fan Control Board (FCB)

The fan control board is located on the chassis floor in front of the server board and just behind the fan cage and the cable tray.
The fan control functions are controlled by the fan controller IC. This controller monitors the "Fan Present" signals from each of
the fan positions, drives the "Fan PWM" signals, monitors the "Fan Tach" signals, and drives the "Fan Fail" signals. Fan speed is
63

Figure 42: Removing the TAM Board

Installation and Maintenance Guide
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