Your Apple MacBook Pro 15.4-inch 1.83GHz (MA463LL/A) supports a Maximum of 2GB of PC2-5300 RAM. The standard configuration from the manufacturer for a MacBook Pro 15.4-inch 1.83GHz (MA463LL/A) has 1GB of RAM and has 2 bank(s) of memory socket(s) for a total 2 memory socket(s). Installing the largest capacity memory module in each memory socket will provide maximum system performance.
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