Voor mensen die na het lezen van de Pentium 4 overclocking guide meteen aan de slag wilden maar tot ondekking kwamen dat hun moederbord geen voltage-tweaks heeft is er nog een alternatief. VR-Zone heeft namelijk aan de hand van Intel's techdocs uitgevogeld hoe je het core voltage kunt aanpassen door de pinnetjes op de processor met elkaar te verbinden:
After reading through the datasheet of the Pentium 4, there is a way to increase the VCore voltage by using the method of shorting the pins. This method is much similar to the Celeron Mod done previously.
There are 5 processor pins that set the VCore voltage VID0, VID1, VID2, VID3 and VID4. The default voltage for Pentium 4 1.4Ghz and 1.5Ghz is at 1.70V. The bit "1" denotes HIGH while the bit "0" denote LOW. Therefore at 1.70V, the VID1 and VID2 are at HIGH while the rest at LOW. In order to get 1.75V, you just need to get VID1 at LOW by shorting the VID3 and VID1 using a copper wire looping around the 2 pins. To get 1.80V, just short VID2 and VID3. To get 1.85V which is the max, just short 3 pins VID1, VID2 and VID3 together. Pics below show how this mod was done:
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