Remove the screws indicated. Flip the computer right side up and lift off the top half of the case
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Unplug the keyboard and set it aside.
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Remove the screws indicated and partially lift the RF shield up.
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Unplug the speaker from the main board and set the RF shield/speaker assembly aside.
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Remove the screws indicated and remove the RF shield from the floppy drive.
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Remove the screws indicated and unplug and remove the power supply and HD bracket.
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Unplug the power and data cables from the floppy disk drive.
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Remove the the screws indicated and the floppy drive should come away from the main board.
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Remove the hex studs indicated and pull the RF shield strip off of the back of the unit. (You may need to bend the tabs away from the RCA connector)
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Remove the screws indicated and separate the upper RF shield from the board.
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Desolder the grounding braids from the RF shield and remove the main board from the shield.
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This image shows which parts (J19, L86-L93, and L95) will need to be de-soldered in order to make room for the adapter. Also be sure to remove the small jumper from the two pins on J20, the adapter makes this connection on-board.
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There is a narrow lip that will need to be folded inward to make clearance for the adapter. A ordinary pair of pliers will accomplish this easily. (Or you may elect to grind this lip off completely with a rotary tool.)
