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.
Manufacturer | 3Com | |
Origin | USA | |
Year of unit | 1999 | |
Year of introduction | 1999 | |
Type | Palmtop, Palm OS | |
CPU | Motorola DragonBall 16MHz | |
RAM | 2MB built-in | |
Floppy Disk | None | |
Hard Disk | None | |
Other media | None | |
Graphics and display: | 160x160 LCD, greyscale (16 shades) | |
Sound: | Speaker | |
Keyboard and pointing device: | Touchscreen with stylus | |
OS: | Palm OS 3.1 | |
Power supply: |
||
Built-in battery Power supply in serial port connector |
||
I/O: | - Serial Port - Imnfrared port |
|
Possible upgrades: | ?? | |
Additional peripherals: | None |
Serial port connector (Looking towards copper on the device, connector is in the bottom):
\ |10_|_9_|_8_|_7_|_6_|_5_|_4_|_3_|_2_|_1_|
/
\-------------------------------------------/
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.
Links:
http://pdf.textfiles.com/manuals/PDA/PalmOne%20Vx%20Handheld.pdf -
Manual
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