Technical data

Computing Unit Expansions
4-25
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
4.7.1 Removing and Installing the Motherboard
1. Open the system housing as described in section 4.1.
2. Remove all the modules from their slots (perform the steps described in
section 4.4.2).
3. Remove the drive mounting as described in section 4.5.1.
4. Remove the power supply unit as described in section 4.6.
5. Undo 7 screws on the motherboard and undo 10 hexagon head cap screws at
the interfaces.
6. Remove the wiring backplane and the motherboard.
7. Proceed in the reverse order to install the motherboard.
Fixing screws on the motherboard
Figure 4-20 Fixing Screws on the Motherboard
The motherboard is supplied as a spare part without a processor, memory
submodules or wiring backplane.