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Printed On: | July 5, 2008, 11:14 am |
| Category: | Chipsets & Motherboards | |
| Type: | Guides | |
| Posted By: | Shamino | |
| Date Posted: | August 22, 2006, 10:30 am |
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Northbridge Voltage
The ASUS P5N32 SLI SE Deluxe is basically identical to it's predecessor, the ASUS P5N32 SLI Deluxe, which are both based on the NVIDIA nForce4 SLI x 16 chipset. It just switched out a CPU voltage regulator for one supporting VRD 11 to run the latest Intel Core 2 Duo Processors. And also did away with the power molex connector in the awkard position right below the first PCIE slot. An old dog, learning just one more new trick.
Now those of you overclocking on this board may be interested in the voltage mods for it, most of which can be accomplished with a simple pencil as well.
Above, you see the voltage mod for the Northbridge chipset. Default voltage is around 1.4v. This can be measured from the MOFET Leg right below the first PCIE slot. To increase voltage, solder a 20K Ohms Variable Resistor to the point marked above, set at maximum resistance, with the other leg of VR connected to Ground. Reduce Resistance to increase voltage. Alternatively, pencil the resistor in the green box to increase voltage. Go down slowly, about 20 ohms at a time, to increase voltage. Be sure to cool it well though, even at default voltage the heatsink gets hot! I used a nice copper cooler to cool mine:
Below you see the MOSFET Leg to measure the FSB Voltage from:
This is beside the NorthBridge. Default Voltage is 1.2v.
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More Mods
Below you see the MOSFET Legs to measure the SouthBridge Voltage (VSB) and Memory Voltage from::
Default VSB is 1.5v and default VMem is 1.85v.
At the same area, mod VFSB, VSB and VMem as seen below:
To increase VFSB, solder a 20K Ohms Variable Resistor to the point marked above, set at maximum resistance, with the other leg of VR connected to Ground. Reduce Resistance to increase voltage. Alternatively, pencil the resistor in the green box to increase voltage. Go down slowly, about 20 ohms at a time, to increase voltage.
To increase VSB, solder a 20K Ohms Variable Resistor to the point marked above, set at maximum resistance, with the other leg of VR connected to Ground. Reduce Resistance to increase voltage. Alternatively, pencil the resistor in the green box to increase voltage. Go down slowly, about 20 ohms at a time, to increase voltage.
To increase VMem, solder a 10K Ohms Variable Resistor to the point marked above, set at maximum resistance, with the other leg of VR connected to Ground. Reduce Resistance to increase voltage. Alternatively, pencil the resistor in the green box to increase voltage. Go down slowly, about 20 ohms at a time, to increase voltage.
Finally we come to the CPU Core Voltage Mod. Those using extreme cooling may want more vCore than the BIOS allows.
To increase vCore, solder a 20K Ohms Variable Resistor to the point marked above, set at maximum resistance, with the other leg of VR connected to Ground. Reduce Resistance to increase voltage. You can monitor voltage in the BIOS hardware health monitor.
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