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PS-3600G Series User Manual
4.1 Specification and Differences between General PDA and PS-G unit
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The PS-G unit is a high-performance Windows CE machine. Its hardware features the Intel XScale
PXA270 520MHz CPU to which Windows CE 5.0, the Microsoft OS for embedded devices, is installed.
This is an advice that users need to understand fully its specifications of the unit because there is a slight
difference from other built-in Windows CE computers like Pocket PC.
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In other built-in Windows CE computers such as Pocket PC, files and folders under My Device are
operated on a virtual disk using a memory, called Object Store. On the contrary PS-G doesn't act as such
function. Therefore objects under My Device in PS-G is designed to a CF's root folder for OS.
Writing constantly to the CF Card not only makes applications run speed slow but also shorten the life
cycle of the CF Card and gets it damaged cased by power-off while it is being written.
We will advise you to use the RAM Disk for saving data as temporally. Writing data on the CF Card at a
time is strongly recommended. To do this, you should usually use the RAM Disk for small amount of
writing data as much as you can. Then those stocked data should be updated on the CF Card at one time.
This is a considerable way to avoid saving data on the CF Card often.
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In other built-in Windows CE computers such as Pocket PC, actual power supply OFF/ON is not
performed but is operating by suspension and resume. It takes time to start PS-G due to the fact that its
unit needs to do power on/off, compare to Pocket PC.
The data in the memory or in the RAM Disk that remains as not saved on the CF Card will be gone when
you switch off the power supply. As for the data and registry that need to be stored, make sure to store the
data on the CF Card, external media loaded to the PCMCIA interface, or onto the network, and save the
registry.
4-2
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