3Com Palm V
After acquisition by 3Com, Palm Computing still made
palmtops. Classic palmtops - small, portable devices with stylus for
text input. Palm V has casing made of aluminium, and lookf more solid
than earlier Palm III with plastic casing.
Palm V is powered by Motorola "DragonBall" MC68EZ328 16MHz CPU, has 2MB of RAM and serial port connectivity. Back-lit LCD has pressure detection layer so it can detect stylus and lines drawn by it. A special handwriting font called Graffiti is used to enter text.
The palmtop comes with Palm Desktop software which allows to transfer files and data from/to PC. Inside, there is Palm OS Operating system, which can be programmed by user. After releasing Palm computers, the company opened a developer program offering SDK. Currently, PalmOS SDK (version 3.x is needed) is hard to obtain.
|Year of unit||1999|
|Year of introduction||1999|
|Type||Palmtop, Palm OS|
|CPU||Motorola DragonBall 16MHz|
|Graphics and display:||160x160 LCD, greyscale (16 shades)|
|Keyboard and pointing device:||Touchscreen with stylus|
|OS:||Palm OS 3.1|
Power supply in serial port connector
|I/O:|| - Serial Port
- Imnfrared port
Serial port connector (Looking towards copper on the device, connector is in the bottom):
1 - DTR
2 - Power +5V
3 - RxD
4 - RtS
5 - TxD
6 - CtS
7 - Button IN (short to Power)
8 - ID input
9 - NC
10 - GND
Warning: Before turning an exhausted unit on, wait a minute or two with power connected. Sometimes battery needs to be charged a bit to run the palmtop.
http://web.archive.org/web/20000815224921/http://palm.com/support/downloads/dt303.html - DOWNLOADABLE Palm software to make Palm device communicate with Windows 9x PC!
http://mobile.eric-poncet.com/palm/tutorial.html - Programming tutorial. SDK not included.
http://www.rigacci.org/wiki/doku.php/doc/appunti/hardware/appunti_palm - Resetting Palm Vx (newer one)
http://pages.interlog.com/~tcharron/Palm8M/V8/V8.html - Disassembly