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Palm (PDA)


Palm (PDA)

Palm handhelds were Personal Digital Assistants (PDAs) that ran the Palm OS.

The Palm TX offers the ability to browse the Internet wirelessly
An early model—the PalmPilot Personal
A Palm IIIxe unit with Accessories.
The Palm IIIc was the first Palm with a color screen
The monochrome Palm m100
The PalmOne Tungsten T5 is a famous successor to the T3
The Palm Treo 700p is one of many smartphones produced that combines Palm PDA functions with a cell phone, allowing for built-in voice and data.

On 28 April 2010 it was announced that Hewlett-Packard would acquire Palm for around US$1.2 billion.[1] Although HP kept the Palm brand initially, all new PDA devices announced at press announcement on February 9, 2011, were branded as HP devices, not as Palm devices. TCL Corporation announced in January 2015 that it had acquired Palm's intellectual property from HP at the end of 2014, announcing plans to restart the company with crowdfunding being a key element in the development of new Palm smartphones.


  • History 1
    • Initial development 1.1
    • Subsequent generations 1.2
    • Recent history 1.3
  • List of PDA models 2
    • Handhelds 2.1
    • Trēo Smartphones 2.2
    • Centro Smartphones 2.3
    • webOS Smartphones 2.4
    • Discontinued models 2.5
  • See also 3
  • References 4
  • External links 5


Initial development

Pilot was the name of the first generation of personal digital assistants manufactured by Palm Computing in 1996 (by then a division of U.S. Robotics).

The inventors of the Pilot were Zoomer devices.[2][3][4] Their research convinced them, however, they could create better hardware as well. Before starting development of the Pilot, Hawkins said he carried a block of wood, the size of the potential Pilot, in his pocket for a week.[5] Palm was widely perceived to have benefited from the notable if ill-fated earlier attempts to create a popular handheld computing platform by Go Corporation, Tandy, and Apple Computer (Newton_(platform)).

The prototype for the first Palm Connected Organizer was called "Palm Taxi". The first two generations of PDAs from Palm were referred to as "Palm-Pilots". Due to a trademark infringement lawsuit brought by the

The first Palms, the Pilot 1000 and Pilot 5000, had no infrared port, backlight, or flash memory, but did have a serial communications port. Their RAM size was 128 kB and 512 kB respectively, and they used version 1 of Palm OS. Later, it became possible to upgrade the Pilot 1000 or 5000's internals to up to 1 MB of internal RAM. This was done with the purchase of an upgrade module sold by Palm, and the replacement of some internal hardware components. Originally, it was conceived that all Palm PDAs were to be hardware-upgradable to an extent, but ultimately, this capability gave way to external memory slots and firmware-upgradable flash memory after the Palm III series.

Subsequent generations

The next couple of Palms, the PalmPilot Personal and PalmPilot Professional, had backlit screens, but no infrared port or flash memory. Their RAM size was 512 kB and 1024 kB respectively. They used version 2 of the Palm OS.

Palm III, and all the following Palms, did not have the word "Pilot" in their name due to the previously mentioned trademark dispute. The Palm III had an IR port, backlight, and flash memory. The latter allowed the user to upgrade Palm OS, or, with some external applications, to store programs or data in flash memory. It ran on two standard AAA batteries. It was able to retain enough energy for 10–15 minutes to prevent data loss during battery replacement. It had 2 Megabytes of memory, large at the time, and used Palm OS 3. (Palm also produced an upgrade card for the Pilot series, which made them functionally equivalent to a Palm III.)

Meanwhile, with Palm Computing now a subsidiary of 3Com, the founders felt they had insufficient control over the development of the Palm product. As a result, they left 3Com and founded Handspring in June 1998. When they left Palm, Hawkins secured a license for the Palm OS for Handspring, and the company became the first Palm OS licensee. Handspring went on to produce the Handspring Visor, a clone of the Palm handhelds that included a hardware expansion slot (early Palm devices also had a hardware expansion slot, however this was for device upgrade purposes, not peripherals) and used slightly modified software.

The next versions of Palm used Palm OS 3.1. These included Palm IIIx with 4 Megabytes of memory, Palm IIIe without flash memory or hardware expansion slot (and available for lower price), Palm V with 2 Megabytes of memory, and, Palm Vx with 8 Megabytes of memory.

Palm VII had wireless connection to some Internet services, but this connection worked only within the USA. It used Palm OS 3.2. Palm IIIc was the first Palm handheld with a color screen. It used Palm OS 3.5 which provided extensive tools for writing color applications.

Some of these newer handhelds, for example Palm V, used internal rechargeable batteries. Later this feature became standard for all Palms.

Palm handhelds up to 2002 contained Motorola DragonBall processors, part of the Motorola 68000 family. Starting with the Palm Tungsten, the platform transitioned to the ARM architecture with Texas Instruments, Samsung, and Intel as suppliers. As ARM had previously been used in the Apple Newton series, the platform had significant investment in mobile and low-power applications.

Recent history

Palm Computing was spun off into its own company (called Palm Incorporated) in 2000. Handspring later merged with Palm to form palmOne in 2003 when Palm Inc. split into companies based upon selling hardware (palmOne) and the software (PalmSource). In 2005, palmOne acquired the full rights to the Palm name by purchasing the shared rights PalmSource owned and changed names back to Palm again. PalmSource was acquired by ACCESS Systems in 2005, which subsequently sold the Palm OS source code back to Palm, Inc. in December 2006.

Palm handhelds continued to advance, including the ability to access computer hard drives via USB cables, and began to merge with smartphones. The "Treo 700w" was one of the later offerings that combined a Palm handheld with mobile phone, e-mail, MMS, and instant messaging (SMS) technology. It was also the first Palm-branded device to use Windows Mobile instead of Palm OS. It became widely expected that Palm handhelds as a PDA-only device would disappear as multifunction handhelds like the Treo 650 declined in price. Multifunction handhelds generally include a wider range of abilities traditionally found in separate devices, for example: an MP3 player, mobile phone, camera, Wi-Fi and Bluetooth. The Treo 650+ was a series of smartphones that included a camera, mp3 player, Bluetooth, and a mobile phone. The Zire 71 and 72 series also had these additional features. In 2007, Palm released the Palm Centro, a smartphone running Palm OS. Different in overall appearance from the Treo, it was most notably thinner. The Centro was a somewhat successful smartphone, combining many features with a decreased price. Palm later released the Palm Treo 500v, a device similar to the Centro which ran Windows Mobile 6.0.

Palm's focus following the Zire and Tungsten PDA lines shifted exclusively to smartphones, where the Palm OS operating system as used on the Treos was becoming dated with both the Palm OS and the Window Mobile versions making minor impact in market share when compared to those of RIM (Blackberry) and Apple (iPhone). In order to try to change this trend Palm had been working on a new web-based operating system (webOS) which was an embedded Linux operating system that hosts a custom user interface built on standard web browser technology and offered genuine multi-tasking capabilities through a card based concept where each application ran as a card and the use of gestures to navigate between cards and perform actions. This platform won much respect from its peers (including praise from Steve Jobs the noted entrepreneur and founder of Apple) but was compromised by some of the shortcuts taken in the hardware for the initial webOS, and indeed Palm's final device offerings, the Palm Pre, and Palm Pixi.[7]

Palm released improved versions of both the Pre and Pixi as the Pre Plus and Pixi Plus which contained improved memory capacity or processor updates but did not significantly address some of the limitations of the hardware (e.g. the screen, and CPU) in comparison to other smartphones on the market at the time.

With the acquisition of Palm by HP, the next device to market was the Pre2, which did address the screen and processor issues. This was followed in 2011 by the HP Veer and the HP Pre3, the former being a compact design (the world's smallest smartphone not much bigger than a credit card on release) and the latter showing the hardware potential to compete in the demanding smartphone market, that had expanded to include Google's Android, before Leo Apotheker, then HP CEO, abruptly pulled the plug on webOS in August 2011, which caused a dip in HP share value. Apotheker was ousted from Hewlett-Packard later in the year, due in part to criticisms behind his handling of webOS. His successor, Meg Whitman, reaffirmed HP's decision to discontinue the sale and production of webOS hardware devices; Palm's legacy was later maintained by Whitman's decision to support webOS on the software side by taking steps toward open-sourcing webOS and opening it to hardware partners.[8]

List of PDA models


Palm T/X ML handheld bundle pack

Trēo Smartphones

Centro Smartphones

webOS Smartphones

Discontinued models

Discontinued Model Replacement model
Pilot 1000 PalmPilot Personal
Pilot 5000 PalmPilot Professional
PalmPilot Personal Palm III
PalmPilot Professional Palm IIIx
Palm III m100
Palm IIIe m100
Palm IIIx m105
Palm IIIxe m125
Palm IIIc m130
Handspring Visor Zire 31
Palm V Palm m500
Palm Vx m500
Palm VIIx i705
Palm m100 m105
Palm m105 Zire
Palm m125 Zire 31
Palm m130 Zire 71
Palm m500 Tungsten E2
Palm m505 m515
Palm m515 Tungsten E2
Palm i705 Treo 650
Tungsten E Tungsten E2
Tungsten E2 none
Tungsten T Tungsten T2
Tungsten T2 Tungsten T3
Tungsten T3 Tungsten T5
Tungsten T5 TX
Tungsten W Treo 600
Tungsten C TX
TX none
Zire Zire 21
Zire 21 Z22
Z-22 none
Zire 31 none
Zire 71 Zire 72
Zire 72 none
Handspring Treo 90 none, last Handspring PDA
Handspring Treo 180 Treo 270
Handspring Treo 180g Treo 270
Handspring Treo 270 Treo 600
Handspring Treo 300 Treo 600
Treo 600 Treo 650
Treo 650 Treo 680, Treo 700p, Treo 755p
Treo 700w Treo 700wx
Treo 680 Centro
LifeDrive none

See also


  1. ^ HP to acquire Palm, USA Today
  2. ^ Hahn, Brian K. (2004). "The Tandy ZOOMER". 
  3. ^ Smithson, Brian (1995-05-09). "Zoomer Technical Info; Tandy Z-PDA". Retrieved 2014-04-30. 
  4. ^ Smithson, Brian (1996-01-17). "Zoomer Pictures; application screen shots". 
  5. ^ Palm-to-Palm combat
  6. ^
  7. ^ "Overview of webOS". Fundamentals, Dev Guide. Palm Developer Center, Palm, Inc. 2010. Archived from the original on 11 August 2010. Retrieved 14 August 2010. 
  8. ^ "HP to Contribute webOS to Open Source". Hewlett-Packard Development Company, L.P. 2011. Retrieved 17 September 2012. 

External links

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