iFixit looks at the FCC filings for the iPad and has some interesting observations:

1. This is likely a pre-production board so suppliers could have changed.  Notably, Apple is known to source Flash from multiple vendors including Samsung and Toshiba.  Toshiba shows up in this particular model.

2. More glue than usual is holding down chips.  This indicates that it is more rugged than a normal laptop would be.  Much more so.

3.  The battery isn’t soldiered onto the motherboard.  That means replacing the battery isn’t rocket science, though Apple still requires a full iPad replacement to replace the battery.

4. This motherboard was made by AT&S

5. To save space, Apple put the Wifi and Bluetooth boards on the cable that connects the 30pin interface with the motherboard.  This will also make for easy updating of that part.  No GPS parts are on this cable

6. The Bluetooth/Wifi board that Apple used on the iPad is the same BCM4329 chip that Apple used in the 3rd Gen Touch. The product code X17B ES2.0-A4, APN 339S0107,USI 20091207 is engraved on the cover.

7.  The display looks to be an LG Phillips LP497X82. 

8. The battery is a huge 24.8 (Apple advertises 25) watt-hour battery.  It is closer to a MacBook Air (40WH) than it is to an iPod Touch (4WH).   The battery is actually two separate 3.75V lithium polymer cells that run in parallel.

9. The USB power supply had to be enhanced specifically for the iPad. It’s a 10W unit manufactured by Foxlink Technology, Ltd., part #A1357 W010A051.

10 Like on the new iMacs, the iPad uses the Apple logo as a window for the Wifi antenna.  Otherwise the back is a solid piece of aluminum.  The other antenna is on the bottom left corner under the glass bezel

11. The manual is here (PDF)

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