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Hewlett Packard

It was either a PC-XT you can fit in your hand, or a "PDA" that also happened to run countless DOS programs.

The PIM software was very powerful and comprehensive, included the usual address Book, Appointments, and Notepad / Memo capabilities, as well as a Database program. Plus, Pocket Quicken, Lotus 123, and cc:Mail. Also has a "Filer" program for file management, LapLink to connect with a desktop system for file transfer, and a Data Comm program for connecting to online services, and more!

Because it ran MS DOS 5.0 and had the architecture of a PC-XT with a CGA graphics adaptor, it was able to run almost any DOS software which would run on a similar desktop system.

Using a PCMCIA flash-memory card in lieu of a hard-drive allowed limitless storage space. System Memory was divided between normal RAM and a RAM-disk which became your C:\ drive. The 2MB model gave you 640 KB system Ram and about 1400 KB of C: drive.

The keyboard was a little small for touch-typing, but it could be done. Keys had a slight tactile click to them. The IR port was not IRDA, being an older HP IR format instead. The Serial port was standard RS-232 signals but was a small non-standard 10-pin design. The pins 1-9 had the same assignments as a 9-pin serial port, the 10th being shell ground.

The 200LX was third in a series, the HP-95LX was first but had much more limited features, the HP-100LX was second and was almost identical, except was lacking some of the more-advanced PIM software. There was also the HP-1000CX which was identical to the 200LX except it had no PIM software at all, it was strictly a DOS 5.0 palmtop.

Thanks to Stephanie Maks for information and pictures.



I still use the HP200LX for my business contacts and the calendar and task management. Also I use the windows version of calendar on my main PC in the office. Also I use many other programs for my daily work in the laboratory. The PIM software is the bst one I have ever seen and together with database engine of HP it is unbeatable! Also the calculator with solver is a big thing, beside LOTUS.

The HP200LX is a marvellous machine and the best ever built PDA for professional use, although in these these days there are limitations. But the robustness of the machine and the reliability is so good! I still have 2 "backup HP200LX" in my wardrobe so I think to have this little real PC in the pocket forever :-)
recommendable websites for support is and the

Greetings from Germany

Friday 25th February 2011
HPtom (Germany)

The 200LX 32Mb double speed from Thaddeus is the best $1000 I ever spent$ Hands Down, no contest. It is NOT a "PDA", rather it is the first "Netbook". A real computer with OS incorruptibly in ROM. I use camera flash memory in an adapter in the PCMCIA slot. The wonderful "Carousel" gives me 10 completely independently configured computers that can swap out in 1 second.
This thing still sits next to my Win7 PC because it is SO FAST to get the answer I need. HPCalc is Fabulous. Work-a-day, (non-enormous) databases quite useable. Skyglobe 3.6, Collins English and multi-language Dictionaries work faster than just opening up Chrome on Cable internet on my reasonably modern Lenovo.
Next to my 200LX sits my first pocket calculator - also still very useful - the HP-29C. The calculator keyboard cannot be beat with an emulator - but I would dearly appreciate a full 200LX emulation that would run on my PC! I''d pay real money for it even.
The weakness of the 200LX is that the hinge for the cover wears out after 20 years or so :-) So I leave it open. A brilliant, ridiculously under-marketed device - the last throws of the late great Corvallis division of HP. Nowadays, "HP is neither". :-(

Monday 17th November 2014
Paul B Davis (Temple, NH USA)

jo (DE): There was more recent machines like you ask for. For example Sharp Zaurus SL-C3000 line: Clamshell, full keyboard, Linux, color screen, etc, but they didn''t reach great success in market.

Tuesday 3rd July 2012
David (Spain)


MANUFACTURER  Hewlett Packard
TYPE  Pocket
YEAR  1994
BUILT IN LANGUAGE  Personal Information Manager System, Quicken, Lotus
KEYBOARD  Miniature 80-key qwerty keyboard including dedicated PIM
CPU  Intel Hornet - computer-on-a-chip based on 80186
SPEED  7.91MHz
RAM  1MB / 2MB / 4MB (upgradable to 64MB with 3rd party solutions)
TEXT MODES  80 columns x 25 lines
GRAPHIC MODES  640 x 200 dots
COLOrsc  Black & white LCD / CGA emulated video controller
SOUND  Multi-octave beeper
SIZE / WEIGHT  160 (W) x 85 (D) x 26 (H) mm (6 1/4 x 3 1/2 x 1 inch) / < 1 pound
I/O PORTS  IR port, Power, Serial, PCMCIA 2.0 type II
OS  DOS 5.0 (in ROM)
POWER SUPPLY  2xAA batteries / coin-cell for RAM-disk backup
PRICE  $695



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