MSI G33M and K9NGM3: new MoBos on integrated chipsets
Overclocking and stability
Before we move on to overclocking, let's look at the power converters. The PWM of MSI G33M uses a 4-phase (!) power scheme, in which there are four 1000 mkF and seven 680 mkF capacitors. The PWM of MSI K9NGM3 uses a 3-phase power scheme, in which there are five 1800 mkF and six 1000 mkF capacitors.
Now on to the overclocking features.
| Board |
MSI G33M |
MSI K9NGM3 |
| Multiplier adjustment |
+ |
+ |
| FSB/HTT adjustment |
within 200/266 to 600 MHz (1) |
within 200 to 300 MHz (1) |
| Vcore adjustment |
to +0.7875 V (0.0025 V) |
within 1.2 V to 1.4 V (0.0025V) |
| Vmem adjustment |
within 1.8 to 3.3V (0.05-0.2V) |
within 1.8V to 2.2V (0.025V-0.05V) |
| Vdd adjustment |
within 1.25 to 1.65 V (0.025-0.05V) |
within 1.2 to 1.5 V (0.05 V) |
| Vsb adjustment |
1.05V; 1.15 V |
- |
| Vtt adjustment |
within 1.2V to 1.6V (0.025-0.5V) |
- |
| PCI-E adjustment |
within 100 MHz to 133 MHz (1) |
within 100 MHz to 150 MHz (1) |
We don't have to compare voltage ranges in this table, since the boards are aimed at various platforms. Now let's look at the practical results of overclocking. The maximum stable FSB speed in MSI G33M is 474 MHz (perfect result; the maximum possible = 558 MHz), in MSI K9NGM3 the HTT = 250 MHz (the maximum possible result is 400 MHz):
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