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I have an Hp 4155, and when the batteries ran out all the programs that I had added were lost. Are the more modern versions of Hp pocket PC's immune to this type of loss? (i.e. If all batteries are drained). Obviously the stuff in the card wasn't lost, but what was in the hardware was.
Thanks for your comments amigos,-Migs
__________________ "If the doors of perception were cleansed every thing would appear to man as it is, infinite" - William Blake
"We either make ourselves miserable, or we make ourselves strong. The amount of work is the same." Carlos Castaneda
"One single grateful thought raised to heaven is the most perfect prayer. " G. E. Lessing
“How much of human life is lost in waiting.” Ralph Waldo Emerson
Devices that run onm WM5 or WM6 make use of 'persistent storage' for holding data, meaning that their default setting is keep apps and data files in non;volatile memory. The RAM is used for app execution an dto hold open documents. Since non-volatile memory does not require any power to maintain its contents (unlike RAM, which depends on a trickle of power to maintain itself), the only thing that will happen should batteries go dead is that any unsaved work will be lost but not the original document files. Older WM versions, which use RAM for both storage and app execution, will lose anything held in RAM areas if batteries go completely dead because the RAM no longer has the trickle of power required to keep its contents intact.
HP has several WM5 devices and has recently announced the models they will be releasing shortly that run various versions of WM6.
Thanks for the explanation! So In other words I can safely assume that if I buy one of the new models I will never have that problem again right?
Thanks! -Migs
__________________ "If the doors of perception were cleansed every thing would appear to man as it is, infinite" - William Blake
"We either make ourselves miserable, or we make ourselves strong. The amount of work is the same." Carlos Castaneda
"One single grateful thought raised to heaven is the most perfect prayer. " G. E. Lessing
“How much of human life is lost in waiting.” Ralph Waldo Emerson
As long as you do not override the default behavior and start using a section of the RAM memory for storage, you would not have the same problem with a WM5 or WM6 device. Think of it a similar to a desktop computer; if you suddenly lose power, it does not erase the hard drive and you only lose any unsaved work that is in active memory. You will find that the use of non-volatile memory does slow down access speed. This is most noticable in writing data, which is noticably slower with non-volatile memory than with RAM. Again, somewhat like on your desktop computer and the speed difference between accessing your hard drive and accessing memory, although not nearly as significant.
With the advent of WM5 and the use of persistent storage for apps and data, you can actually turn a device off. In earlier WM versions, the devices could go into low-power mode so that battery demand was minimal, but actually turning a device completely off would result in a hard reset since the RAM area would be purged without a trickle of power to maintain it. Since the registry and other system files were stored in RAM, there was no way around this. With WM5, you trade some performance but get use of memory for system, app, and data storage that does not need power to maintain itself.
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