Introduction
Tools
Parts
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            Follow the Apple Lisa Disassembly Guide to remove the Lisa's real panel. 
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            Remove the Lisa's Card Cage. 
 
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            Remove the CPU Board. It is marked in blue. 
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            Lift up on the CPU Board's clips. 
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            Lift up the CPU Board to remove. 
 
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            Locate the CPU at location 13A/B/C (the big one.) 
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            Remove the CPU. I used a flat head screwdriver to gently pry up the chip although there are better tools such as a Chip Remover. 
 
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            Insert the XLerator in the CPU's socket. 
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            Ensure it "click" in all the way. 
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            If the XLerator seems loose then use electrical tape at your discretion to secure it to the CPU Board. 
 
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            Reinstall the CPU Board into the Lisa's Card Cage. 
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            Reinstall the Lisa's Card Cage into the Lisa. 
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            Reinstall the Lisa's rear panel. 
 
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To reassemble your device, follow these instructions in reverse order.