The Compaq iPAQ doesnt have built-in expansion sockets but with the CF Card Expansion Jacket you can plug in any CompactFlash card. Rather than tying you to a single type of expansion slot, the iPAQ stays slim and sleek by having a special connector on the base that lets you add different jackets, depending what you want to plug in. They wrap neatly around the iPAQ and the CF jacket doesnt make the iPAQ much thicker.
Youll mostly see CompactFlash cards with extra memory (from 4MB and up) but ..
3.0m Firewire Cable. 6 way to 4 way connection. Ideal for connection of computers to Firewire devices or camcorders to computers. Also suitable for i-link connections.
This is a generic battery that fits many models of laptop, some of which include; Compaq Aero 4/25, 4/33C, 3/33C, Armada 1100, COMPAQ Contura 400/410-C/CX/CXL, 420C/CX, 430C/CX, DAEWOO Subnotebook, Hitachi M series, Hyundai Asanti. Manufacturers part numbers; 190540-002, 190529-001.
The Compaq iPAQ doesnt have built-in expansion sockets but with the CF Card Expansion Jacket you can plug in any CompactFlash card. Rather than tying you to a single type of expansion slot, the iPAQ stays slim and sleek by having a special connector on the base that lets you add different jackets, depending what you want to plug in. They wrap neatly around the iPAQ and the CF jacket doesnt make the iPAQ much thicker. 
3.0m Firewire Cable. 6 way to 4 way connection. Ideal for connection of computers to Firewire devices or camcorders to computers. Also suitable for i-link connections.