Treo 650
Treo 650 is a smartphone based on Palm OS. There are many special features in Treo 650, some of them being 22MB user-available non-volatile memory, Touch-sensitive color TFT screen, the facility to view and edit Word, excel and PowerPoint files, etc.
Treo 650 is the successor of Treo 600. Thus, when compared to Treo 600, The Treo 650 is a significantly improved model. There have been significant changes in processing capability, display, storage, power and operating system.
The Intel PXA270 312MHz processor leads them. It succeeds older and slower 144MHz ARM processor in the Treo 600. Treo 600 used a passive CSTN (Color Super Twisted Nematic) screen. In comparison to that, Treo 650 uses the much vibrant and superior, an updated and active TFT (Thin Film Transitor) screen. There is an improvement in the resolution as well. The resolution has been upgraded from the 160 x 160 pixels grid in the Treo 600 to 320 x 320 pixels in Treo 650 for a finer visual display, which is also capable of displaying 65,000 color shades as against just 4,000 on the older version. This has finally placed the new Treo on an equal pedestal with the rival Smartphones while providing a richer multimedia experience to the users. All these hardware improvements resulted in making the Treo 650 a much more handsome and classy handheld.
The two most revolutionary changes are made in the memory and power department. These two changes are: (a) the decision to switch from volatile to a non-volatile memory, (b) inclusion of a removable battery design. This newly incorporated combination brought about two critical changes. Firstly, the users need no longer pay attention to the power reserve left with the fear of losing important data in case of complete depletion of electrical power. Secondly, as the Treo 650 becomes the only office and telecommunication device, the users now experience the convenience of extending usage time with a simple battery pack change with negligible disruption in work.
However, there are some negative effects of using a non-volatile battery. There is excessive wastage of the 22MB internal storage space made available to users. This means, when users are working in strict data allocation of 512 bytes per block, a 520-byte file would span across two memory blocks. This will result in loss of 504 bytes worth of memory space. It is the group of heavy users who are most likely to feel the pressure from this meager amount of read-only memory as they will have to resort to external memory cards for storage of data and applications. However, PalmOne is working on this memory issue.
A multi connector port is the most striking feature of the Treo 650. As a result, the users will be provided with a whole new set of accessories. The data port is of a completely different design from the one found in the Treo 600 and represents additional costs for this group of upgraders.
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