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I do, in my first post. 1 GB.VTMac said:You never say how much Ram you have installed.
i didn't try that, i'll certainly try.it's entirely possible that your parallels tools install got messed up. I'd try uninstalling parallels tools, rebooting the vm, and reinstalling parallels tools.
i started with 512, but also tried 384, 256, 128, all resulted in poor osx performance, and painfully slow vm performance. thanks for the suggestions, guys.Finally, another user encourage you to allocated more memory to the VM, saying the more memory the better. That is categorically incorrect information. There are numerous threads on this forum with lots of independent datapoint that would indicate memory is a function of your specific application and generally LESS Ram is better. More ram allocated to your VM starves OSX of RAM. And the VM is dependent on OSX for services. On a 2 Gig machine you can get away with higher settings, but it generally won't improve performnce. On a 1 Gig machine, doing a 512 setting is basically death. Start with something like 384/512M (depending on your phsyical ram) and lower that number slowly until you find the minimum allocated RAM that works well for your environment.

i have trouble believing everyone with 'only 1GB' of ram is having this much trouble with parallels. this seems like a nice product, but for some reason, it's not working for me, and it goes FAR beyond some performance tweaks that have been suggested in this thread. with parallels as the only open user application on my machine, the performance is still extremely slow. when i went to uninstall/reinstall parallels tools, i went to the add/remove module of the control panel, it took 10 minutes to populate the add/remove window with my installed applications. i realize i don't have a beast for a machine, but 10 minutes is not acceptable. i'm sure i probably have a build of parallels that doesnt agree with my hardware, because nobody would use this software if it was as slow as it is for me.xochi said:The quick answer is -- you need more RAM. 1GB is really not enough.
However, you should find that 3188 is plenty fast if configured properly. Here is what I'd recommend for you:
1. Shut down your VM.
2. Go to VM preferences, and set your VM RAM at around 300-400MB.
3. Optional (choose "optimize for OS X" for the Cache behavior setting)
4. Go to Parallels/Preferences/Memory and choose "Adjust Reserved Memory" : Automatically.
5. Quit parallels.
6. Open /Applications/Utilities/Activity Monitor.
7. Select "All Processes" from the Pulldown, click to Sort by "Real Memory", and also click the "System Memory" tab at the bottom.
8. Check out the "Real Memory" column, and the "Wired" memory # at the bottom. Your goal is to figure out if you have any other memory hogs running in OS X and quit them, freeing up as much RAM as possible. (Don't worry about the "Virtual Memory" column, as that's basically meaningless).
9. Also, click the "% CPU" column and check for any high CPU processes and quit them. Your goal is to make sure that at idle, other programs aren't taking more than 5-10% of your CPU.
10. Once you've cleared as much RAM and CPU as possible, re-launch Parallels and try it out.
11. There are a bunch of settings within XP that you can also change to make it run faster. Things like System Restore, background disk indexing, and animated window effects all take CPU and access the disk.
Stradale said:I'm new to this forum and although I've read of many issues with 3188 none seem to address my problem. I u pgraded from 3186 to 3188 yesterday and after the install Parallels seemed to have limited functionality -- the only buttons working were "start" and "stop." Couldn't get into coherence or anything else. Uninstalled and reinstalled 3186 (several times) but 3188 keeps installing.
Now when I try to start Parallels I get this somewhat long (and new) message "more than one Windows partition found. Refer to Parallels Desktop User Guide, Using Boot Camp Installation chapter for instructions on how to configure Parallels VM is case of a non-standard Boot Camp configuration." This, of course, offers no pertinent advice. Boot Camp is working becasue I can boot directly into Windows.
Since I don't expect to hear from Parallels Support for several day (if at all) any help/advice would be much appreciated.