Repair an Xbox 360 Controller

If you drop an Xbox 360 controller, don’t let it land on its bumper buttons. The micro-switches break easily on the inside. They might still work, but need more pressure to be triggered. This problem plagues old Sega Saturn gamepads too.

To open Xbox 360 controllers, you need a special Torx security screwdriver with a hole in the tip, size T8H. If you don’t have this rather unusual screwdriver, you can break the tiny pins in the screws and unscrew them with a regular T8 or T9 Torx screwdriver. Seven screws need to be removed (yellow circles). One of them is hidden behind the white sticker with the barcode and not behind the black sticker where I looked for it first (red circle).

Xbox 360 Controller screw locations

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The PC-FX Memory Manager

PX-FX front expansion port with FX-BMP

Because the internal storage space (32 kB) is limited sooner or later every PC-FX owner needs a FX-BMP memory backup module (128 kB).


The module is backed by two AAA batteries and has it’s own place behind an access door in the PC-FX front expansion port.

When the internal memory is full some games (e.g. Dragon Knight IV, about 12 kB free space required) refuse to start. Then it’s time to move things around until enough space is available for the game to create an initial save state.

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