Articles about HP Palmtop hardware: information, accessories, modifications and upgrades
A Backlight for the HP Palmtop
Build an HP 200LX Car Charger
Ethernet PCMCIA cards (HP 200LX in the LAN)
HP Palmtops - My Service
Information about RS232 serial communication / how to connect serial devices to the Palmtop HP 200LX
Mobile Phone compatibility with HP Palmtops
RAM upgrades
Resurrecting an HP 200LX (or 100LX, 1000CX) that was unused for a long time
Speed upgrades (Doublespeed and others)
Storage cards (PCMCIA SRAM, ATA, CF, SD, MMC etc.) and their compatibility with the HP Palmtops
The built-in self-test (BIOS) ESC-ON
The Intel Hornet chip
Tutorial: 200LX memory upgrade
Tutorial: Build a data cable for HP Palmtop - Cellphone connection
Tutorial: Build an LED light for the Palmtop
Tutorial: Disassembly of HP Palmtops
Tutorial: How to build a serial port plug
Tutorial: HP 95LX 1MB RAM Upgrade
Tutorial: Installation of the Backlight Upgrade Kit for HP Palmtops

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