Sony PCG-705 - Manual (Page 148)

Typical expansion memory configuration
Total System
Memory (MB)
Slot 1 (MB) Slot 2 (MB)
16* 16 Empty
32 32 Empty
32 16 16
48 32 16
64 32 32
128 64 64
* 16MB is the default memory amount for PCG-705 and PCG-707.
The memory options in Slot 1 and Slot 2 are interchangeable.
To install a memory module
1 Shut down your computer and disconnect all peripheral devices,
such as your printer.
2 Unplug your computer and remove the battery packs.
3 Wait until the computer cools down. Then turn your computer
upside down and open the cover on the bottom.
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