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To: voop who wrote (6626)	10/30/1999 11:15:00 PM
From: lkj	Read Replies (1) \| Respond to of 10309

Voop, The current 3Com PDA line runs on Palm OS. 3Com is porting the Palm OS environment on top of Psion's EPOC as it has been requested by Nokia. It seems that 3Com is willing to port the Palm environment to any OS that's demanded by customers. 3Com claims that the code developed for Palm PDAs will run on these Palm/RTOS hybrids. Of course, the machine code will not be compatible; a recompilation is needed. The clear trend is that the Palm environment will be both stand alone and in combo with other OSes. And it will support multiple CPUs. As for you question, whether Palm is self sufficient, it depends on what you want to do and how you want to do it. For a PDA, Palm OS is perfect. But if you want it to control a cell phone, you might need an RTOS underneath, but this isn't the only solution. No one says that you can have only one CPU for your cell phone. You can put two cores on there if you want. One for the original cellular functions, the other for running the Palm OS. I am not sure if anyone is taking the latter approach in the cellular market, but I know people in other industries are designing chips like this. Because of the business model that Palm is going after, any OS used below Palm OS will be a commodity. Maybe this is why WRS has shied away from porting Linux onto VxWorks, which is being done by some second tier RTOS vendors. Khan