Sony PCG-F640 - Manual (Page 48)

VAIO Notebook User Guide
48
Using PC Cards
Your computer includes two PC card slots. PC cards allow you to connect
portable external devices such as another hard disk drive, or to connect a
network.
To insert a PC card
1 Pull the PC card release button out from the computer, and then push it in
toward the computer. This will extend the PC card slot protector.
2 Remove the PC card slot protector.
When you use a Type III PC card, you need to remove both the top and
bottom PC card slot protectors.
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The PC card slots can accommodate two Type II PC cards, or one Type III PC card.
These slots are compatible with Card Bus. Use the lower slot for Type III PC cards. You
do not need to shut down your notebook before inserting or removing a PC card.
PC card release lever