Maintenance and service
11.1 Removing and installing hardware components
SIMATIC Rack PC 547B
Operating Instructions, 12/2007, A5E01127519-02
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11.1.6 Removing the motherboard
Preparation
1. Unplug the device from mains and disconnect all cables.
2. Open the device.
Removing the motherboard
How to remove the motherboard
1. Remove all modules from their slots.
2. Disconnect all cables from the motherboard, noting down their positions while doing so.
3. Remove ten screws from the motherboard.
A replacement motherboard is supplied without processor and memory modules.
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