View Full Version : Abit IC7-G MAX3 VTT Fix
Max3 VTT fix that many of us have been waiting on. Very elegant solution. I might give it a try myself. It's the top post on page 71 by Madcat1968 with the 2 links:
There's a lot of info further back in the thread.
04-09-04, 10:37 PM
Just finished the mod earlier today.
Here's the thread i started.
Did you get your caps and mosfet form DigiKey or is there somewhere local in Ontario to pick these up? I'm almost tempted to pull the MAX3 out of the closet and give it a try. I've modded all I can on my Asus.
04-18-04, 12:44 PM
I plan to make more of these circuits this weekend (32 is my target), and may actually assists people with installing the mod on thier MB on a limited basis.
04-22-04, 10:39 AM
Everyone who has tried your mod has had great success with it. Kudos to you madcat1968 for engineering the circuit and sharing it with whom ever chooses to use it.
You know something funny, I was reading Xtremesystems.org's forums and they all seem to choose Hipro's method. In my brief scan, I didn't find one mention of Madcat1968's mod. Ironically, Hipro's mod is the old-style of by-passing all circuitry on the mobo and replacing it with potentiometers that will give you a limited range, either high range for 3.0-3.2 or low as the stock 2.5-2.8. None of these can be set in the bios. Madcat1968 on the other hand has FIXED the stock board which will now operate with all voltage selections from 2.5-3.2 which are selectable in the bios. No need to adjust pots!
I'm sitting here watching my modded 3.3 line constantly float on my Asus and can't wait to try this mod. The Max3 was built to oc, and I'm giving Abit just one more chance.
Keep posting success stories, I'm really curious as to just how successful this mod will be before the 9XX series of chipsets shows up.
I tried building my own VTT circuit today. Hooked everything up but forgot to cut the trace. I think I melted one of the mosfets on the board. Suffice it to say, my MAX3, in 2 pieces is now in the trash. Such is life. I did scavenge the nice jumpers and OTES system and the n/b cooler off the board before pitching it.
I guess my skills weren't as "l33t" as I thought. Anyways a fitting end to a board that collected dust on the shelf for the past 5 months.
04-26-04, 09:43 PM
Hooked everything up but forgot to cut the trace. I think I melted one of the mosfets on the board.
Sorry about your motherboard.
Leaving that trace uncut shouldn't cause a catastrophic failure. It would simply disable the circuit and cause the MAX3 to perform like before. I think it is simply the case that the VBT_Actual wire found a path to ground - that is, there was a short somewhere else.
I'll be updating the installation guide to tell the user to make some pre-startup checks to insure that the motherboard is not powered up in a unsafe condition.
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