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There are four pieces of equipment highlighted (red arrows):
- The floppy disk controller
- The infrared reader for the keyboard
- The RAM expansion (64KB)
- The power supply controller board
The expansion cards are removed easily and the motherboard begins to be revealed.
The red arrows mark where the floppy controller, RAM expansion, and power controller were connected to the motherboard. The IR sensor is still installed, but will be removed before long.