Abusing of the "cmd-option-P-R" key combination.

Hi,
I had some problems with my mac so I tried, a lot, the key combination you see on the title.
I was wondering if it could harm the system doing that too much.
For those who don't know what it is, here is the link that explains everything :
http://support.apple.com/kb/HT1379
Thanks.

It shouldn't hurt the system, but it also shouldn't be necessary more than very rarely. If you're continually having to reset the parameter RAM, you almost certainly have something wrong with your system's hardware and should get the system serviced.

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