Change CPU Speed in Windows XP System Properties


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I was wondering if there is any way to change CPU speed in Windows XP system properties. I would also like to change the string of text identifying the CPU version. Anyone know if this is possible without changing the processor or overclocking/underclocking? Thanks.

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No not at all. Its a joke I want to play on a co-worker. He has a dual P3-600, and I want to stick dual P2-266's in instead and see how long it takes for him to figure out what I did. We do things like this all the time.

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you could open up sysdm.cpl in resource hacker, and edit it that way..

Dialog #101

  CONTROL "", 63, "Link Window", 0x50000000, 141, 137, 110, 8 
   CONTROL "", 64, "Link Window", 0x50000000, 141, 148, 110, 8 
   CONTROL "", 65, "Link Window", 0x50000000, 141, 159, 110, 8 
   CONTROL "", 66, "Link Window", 0x50000000, 141, 170, 110, 8 
   CONTROL "", 67, "Link Window", 0x50000000, 141, 181, 110, 8 
   CONTROL "", 68, "Link Window", 0x50000000, 141, 192, 110, 8 
   CONTROL "", 70, "Link Window", 0x50000000, 141, 203, 110, 8 
   CONTROL "", 71, "Link Window", 0x50000000, 141, 214, 110, 8 
   CONTROL "", 72, "Link Window", 0x50000000, 141, 225, 110, 8

would need to be changed to

  CONTROL "text",63,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 137, 110, 8
   CONTROL "text",64,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 148, 110, 8 
   CONTROL "text",65,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 159, 110, 8 
   CONTROL "text",66,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 170, 110, 8
   CONTROL "text",67,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 181, 110, 8 
   CONTROL "text",68,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 192, 110, 8
   CONTROL "text",70,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 203, 110, 8 
   CONTROL "text",71,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 214, 110, 8 
   CONTROL "text",72,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 225, 110, 8

match up the text from the origonal properties, and anyone that you dont need leave a space in so itd look like

  CONTROL " ",72,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 225, 110, 8

rember to backup the cpl file, hope this helps

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  • 6 years later...
you could open up sysdm.cpl in resource hacker, and edit it that way..

Dialog #101

? CONTROL "", 63, "Link Window", 0x50000000, 141, 137, 110, 8 
 ? CONTROL "", 64, "Link Window", 0x50000000, 141, 148, 110, 8 
 ? CONTROL "", 65, "Link Window", 0x50000000, 141, 159, 110, 8 
 ? CONTROL "", 66, "Link Window", 0x50000000, 141, 170, 110, 8 
 ? CONTROL "", 67, "Link Window", 0x50000000, 141, 181, 110, 8 
 ? CONTROL "", 68, "Link Window", 0x50000000, 141, 192, 110, 8 
 ? CONTROL "", 70, "Link Window", 0x50000000, 141, 203, 110, 8 
 ? CONTROL "", 71, "Link Window", 0x50000000, 141, 214, 110, 8 
 ? CONTROL "", 72, "Link Window", 0x50000000, 141, 225, 110, 8

would need to be changed to

? CONTROL "text",63,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 137, 110, 8
 ? CONTROL "text",64,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 148, 110, 8 
 ? CONTROL "text",65,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 159, 110, 8 
 ? CONTROL "text",66,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 170, 110, 8
 ? CONTROL "text",67,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 181, 110, 8 
 ? CONTROL "text",68,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 192, 110, 8
 ? CONTROL "text",70,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 203, 110, 8 
 ? CONTROL "text",71,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 214, 110, 8 
 ? CONTROL "text",72,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 225, 110, 8

match up the text from the origonal properties, and anyone that you dont need leave a space in so itd look like

? CONTROL " ",72,STATIC, SS_LEFT | WS_CHILD | WS_VISIBLE | WS_GROUP, 141, 225, 110, 8

rember to backup the cpl file, hope this helps

I tried this method as I also thought this would be a funny prank to do on my brother, but After I've compiled the script, save it and replaced the sysdm.cbl file in the system32 folder, it reverts back to the original file.

Is there a way to keep it from rewriting the changes so that it comes up with changes I made?

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How do you do this?

- Edit: NVM i got it.

Sorry for not being more forthcoming but im on a netbook and the keyboards quite uncomfortable to type on :)

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Sorry for not being more forthcoming but im on a netbook and the keyboards quite uncomfortable to type on :)

thanks though. i never really thought about it until you said it.

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  • 1 year later...
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