What is Vcore?
VCORE is the voltage that a chip needs to be able to push electricity through that chip. In relation to motherboards, VCORE usually stands for the current voltage running through the CPU. All CPUs have a minimum recommended VCORE necessary to keep the CPU running at its rated speed in a stable state. All motherboards have a device to control that voltage. In relation to the BIOS, there are two things one can do with VCORE. One is to simply view the VCORE currently regulating. This is usually taken care of by the onboard sensor chip and is usually around +/- 10% of the necessary VCORE. The other is to actually change that VCORE setting. Not all motherboards and BIOS are built to allow the user to have control over the VCORE, but manufacturers are increasing installing BIOS settings for that support. Why? Many users who wish to overclock their CPUs, need to up the VCORE in order for the system to run in a stable state. When a CPU is running at higher than its intended rated speed, there is the possiblity that the CPU could loose bits causing a system crash. By upping the the VCORE, there is less likely a chance of loosing those bits.
nvidia 9500GT Problem solution

for this card there is a time that you will encounter the annoying BSOD (blue screen of death) while your desktop is idle. and while you are in the middle of playing games Lan or Online games your grafix will hangs for a couple of seconds then it goes back to normal again. this are the problems got this Video Card, and i found the remedy but not exactly a fix for all that error and hangs for this VC.
- first all you have to do is to uninstall all the drivers for this VC then you have to restart your system.
- but before that, you need to download the latest forceware for this VC so far the latest i have for this card is version_195.62 and that is the one you have to install not the one came from the CD of this VC you have to replace the installer with the new version from nvidia download center. so far that is what i did and i have not encounter some annoying hangs and BSOD for this Driver. if you have any question for this leave a comment