Retro Isle - HP95LX, 100LX and 200LX Technical Section

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ZX SPECTRUM ZX81 ZX80 CAMBRIDGE Z88 TIMEX-SINCLAIRS QL (QUANTUM LEAP)

C64 AND C128 VIC-20 C16 AND PLUS/4 AMIGA PCS

VCS (2600) 5200 7800 400 AND 800 XL AND XE RANGE LYNX JAGUAR ST RANGE

ATOM BBC MICRO ELECTRON

NINTENDO NES NINTENDO GAME BOY NINTENDO DS NINTENDO GAMECUBE

APPLE ][ CAMPUTERS LYNX DRAGON 32 AND 64 MSX PSION ORGANISER SEGA MEGADRIVE SONY PLAYSTATION HP PALMTOPS

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HP Board Information

Schematics, Component layouts and port/connector pin-outs

Title	Description	Date
Port Pinouts	A technical description of the ports found on the HP palmtops as well as connecting cables	-

Problems

Title	Description	Date
The Hinge Crack Problem	An issue that faces many clamshell designs, not just the HPs	-
A Palmtop Adventure	A disassembly of the 200LX screen and other components by David Sargeant	-

Upgrades

Title	Description	Date
95LX 1MB Upgrade	Arne Christensen provides this tutorial for a do-it-yourself RAM upgrade for a 512K 95LX.	-
Backlight upgrade	There is no backlight upgrade for the 95LX. It may be possible to adapt the backlight upgrade for the 100LX/200LX and 1000CX to work with the 95LX, but nobody has done this yet.	-
Speaker Jack upgrade	Adding a speaker/earphone jack to the palmtop	-