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I'm not sure I understand your question, but heres a little bit about SD cards. I assume when you say "would a 512 secure digital card help the pc itself? Would it make it faster?" you mean the Pocket PC, not your desktop/laptop or whatever you use to sync and install software to your PPC from, yes?
Anyway, an SD card will not really speed up your Pocket PC. At least not directly. It WILL provide more storage space (in addition to built in main memory and the iPAQ File Store (another area of internal memory that is not affected by hard resets)). Using the iPAQ File Store and storage cards for any programs that can run well from those areas helps keep the main memory of the device relatively uncluttered. The more uncluttered it is, the smoother it runs. Also, keeping main memory open gives you the opportunity to adjust how that memory is used in your device (using the Memory Control Panel app). You can slide the adjuster for memory to provide less space for storage and more space for programs to run in. THIS does, IMO, speed up the PPC. By default, most PPCs allocate half of the main memory to storage and the other half to program run memory. Unless you've had a memory upgrade done, in most PPCs this means of the 64MB main memory, 32 goes to storage and 32 goes to programs running. If you are like most PPC users, you probably run at least 1 or 2 Today screen plugins at all times (personally I run Dashboard and Wisbar Advanced at all times) which will immediately drain some of that available program memory. The less you have, the less you can run and the slower things seem to be. I allocated only as much main memory to storage as windows mobile will let me (when you adjust the slider to the left, giving more to programs and less to storage, WM has a funny habit of kicking it back to the middle if you take away too much of the available free storage. I've found you have to leave somewhere in the vicinity of 6-8MB of free space allocated to storage to keep WM from automatically readjusting to a perfect balance between storage and program memory space). I am using about 4MB of main memory for storage (this is where Dashboard and Wisbar are installed because they just run better from there and cause fewer problems which is typical of many Today Screen plugins - they like to be installed in main memory to run well it seems) and I keep another 7MB or so (for a total of 11MB) allocated to storage, the rest goes to programs. This seems to keep things running well for me. Apps run quickly, videos play smoothly, everything just seems to work pretty well. Still, I do wish I could have even more memory free for programs to run in, but at the moment I don't want to pay the $200 and be without my PPC for a while to get a memory upgrade installed.
Of course, all of that said, your mileage may vary, but I hope that helps you understand a bit about memory usage on your new device. BTW, is it a 4700/4705? If so, you bought yourself a nice little machine, I love mine.
Q
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