Maintenance and service • Installing and replacing bus units
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Panel PC 800 User's Manual V1.30
10 Installing and replacing bus units
Bus units can be installed and replaced in system units with 1 card slot or in expansions with 2 card slots.
10.1 Procedure
1. Disconnect the power supply to the Panel PC 800.
2. Touch the housing or ground connection in order to discharge any electrostatic charge from your body.
3. Remove the side cover (see "Installing the side cover" on page 358).
4. Loosen the Torx screws (T10) mounted to the mainboard.
Figure 215: Removing the screws
5. Plug the bus unit into the bus unit slot and fasten it using three Torx screws (T10).
Figure 216: Installing the bus unit
6. Attach the side cover.