Palm IIIx

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The Palm IIIx is a PDA from Palm Computing released in 1999, briefly before the scaled down Palm IIIe was introduced into the marketplace.

The Palm IIIx improved upon the Palm III by featuring a new enhanced and easier to read LCD and 4 MB RAM and opposed to the 2 MB in the Palm III. The Palm IIIx also had a 16 MHz Motorola DragonBall EZ CPU that is faster, along with claims to be more efficient, than the 16 MHz Motorola DragonBall CPU found in all previous Palm models.

The Palm IIIx featured a new inverse electroluminescent backlight that illuminated the screen text instead of the screen background. This new feature was an area of controversy as many people disliked the feature while many found it to be an improvement. The Palm IIIx shipped with Palm OS 3.1 which including many fixes over the previous version of Palm OS, 3.0.

The Palm IIIx also featured an expansion slot inside of its casing. This slot could accommodate a 3rd party upgrade card and expand the Palm IIIx's functionality or storage ability.

This model suffered from a design defect in its CPU wherein the date would often fail to change at midnight, especially when the batteries were fresh.

OS Upgrade - The last Palm OS that can be downloaded off the website is 3.3, however the last OS for the IIIx is 4.1 which had to be bought at the time it came out on CD (now the CDs are discontinued and a bit hard to find).

Our model together with the docking station were kindly donated by Ian Higgs.

Manufacturer: 3Com
Date: 1999

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Palm IIIx Manuals:

Item Manufacturer Date
Palm III Handbook 3com 1988
Palm III Getting Started Manual 3com 1999

Other Systems Related To Palm IIIx:

Item Manufacturer Date
PalmPilot Professional 3Com 1st March 1997
Palm IIIc 3Com 1998
Palm V 3Com 1999
Palm Vx 3Com October 1999
Palm m100 3COM August 2000
Palm m500 3Com 6th March 2001

This exhibit has a reference ID of CH17393. Please quote this reference ID in any communication with the Centre for Computing History.


Palm IIIx

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