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As the name suggests, this is where you can adjust how much voltage gets pumped into your processor. Log in Don’t have an account? Today, we’ve got pictures and thoughts on two of the company’s newest motherboards – the P45 Platinum and K9N2 Diamond. These two problems will probably not affect the majority of users but they do not occur on the Gigabyte board. The bios should be right, but could be wrong.

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Intel talks P45, G45 and X DFI shows off its X48 board that features a new, hardcore cooling system created in collaboration with Thermalright!

We were not real big fans of the X38 at launch time, but with the latest BIOS releases we are no longer hesitant to recommend the boards.

A setting of 90 in one to those motherboards would be a setting of mV in a 7 Series. Some let set lanes individually, all at once, or in pairs. I have tested all of these variables and only a change in FSB frequency will cause the motherboard to refer to the chart. That would be 1. Holiday Buyers Guide, Part I: Next, it’s strongly suggested that you also play with the clock skews — we know MSI and Asus will have these on their P45 boards, Asus has them on its current X38 and X48 boards, while both DFI and Gigabyte also have them on their X48 boards.

Multiplied together, you arrive at 3. Always proceed with caution when increasing voltages in your BIOS. The settings below also apply to Intel’s X38 and X48 chipsets, and in some form even date back several generations. View Inetl Photo Galleries. Where does this difference come from? You can calculate some of it, like the GTLs, but throwing all the elements in a pot will still require a considerable degree of discovery.


Ttl you wanted to find out what adjustment to make based on ratio increases, or reverse the equation to find out what ratio you are running at for each lane: For example, an E processor ships with a 9X multiplier and a MHz base clockspeed.

Only an oscilloscope would tell you if the nominal ratio for different signals should vary, but this testing method compensates for that.

What is GTLREF and what has it go to do with me? Part 1

Frankly, it is more or less useless. On dual cores, 0 on lane 2 and 3 should suffice, but there may be stability issues with the board it self when there is great disparity between the settings of the four lanes, so setting them to what ever your lane 1 is would be fine. This setting determines what memory divider ratios will be made available. All of these products have our recommendation in this category: Used in conjunction with the Ai Overclock Tuner, this setting determines how aggressive the board will attempt to run your memory’s latency timings.

GTLREF and FSB VTT Voltage Tweaking

I should not be able to tweak the individual cores, but what if I can do that, why is there a big difference between ref0 and ref1? Determines the voltage for your memory modules.

The auto setting code is broken, as it only sets one lane lane 1 to an arbitrary amount taken from a chart. We took a picture to see what all the kotherboard is about.


No moherboard mystery here. Even if I go for the “give em all you got” way and set the VTT straight to 1. Overclocking If you’re going to overclock, you first must understand the nomenclature that applies to your processor and motherboard chipset’s architecture. Intended to improve signal quality and, as jntel result, improve overclocking potential, not all memory modules play nice with this setting. IF for some reason you get a negative number, then you are sunk, because at that point the only way to do that would be to solder in a potentiometer and adjust it with a volt meter manually.

We veered away from the ASUS ROG line of boards here as they are undergoing Northbridge water block revisions, although they are still excellent boards. But I don’t think any one really want to solder wires onto their motherboard to find out the actual voltages, do you?

ASUS Maximus Formula SE: X38 and DDR2 Unite!

Like the skew settings, this option supposedly optimizes DRAM timing. All of these products have our recommendation in this category:. Since the address bus motherborad are usually less affected by voltage drop you can experiment with slightly less mV on those lanes to achieve higher stability.

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