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08-26-2003, 01:00 PM | #1 | ||||
Running System Stock
Forum Newbie
Posts: 10
Last Seen: 02-10-2008
From: Aberdeen
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L12 mod fact or fiction????
Now while I fully understand how the mod changes the default FSB I have never heard a half plausible theory as to how this could improve the ability to run high FSB's (what difference could it make if you override the default FSB in the bios anyway?) To add to my sceptisism the stories about the effects of this mod vairy wildly, I've even read claims that people have gained higher FSB's by doing the 'mod' on cpu's that were 133FSB by default in the first place! My questions are: 1. What are your experiences of this mod. 2. If you believe it works how do you explain it |
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08-26-2003, 01:03 PM | #2 | ||||
Mini twigz
Senior Member
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1. I know it works on older NF7's(rev 1-1.2).
2. N/A |
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08-26-2003, 08:56 PM | #3 | ||||
Mad Warranty Voider
Senior Member
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I did it on my rig in the sig.. I only gained 2mhz.... I dunno, didn't give me the results that other people claimed.
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08-26-2003, 09:20 PM | #4 | ||||
Extreme Overclocker
Senior Member
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Worked great for me I could'nt get my 2500 stable above maybe 195 fsb and i had to crank up the vcore. I blew the bridge and right up to 11x200 @ default vcore. I run @ 217 now. I have a 1.2 and thought this was fixed with ver 2.
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08-26-2003, 09:27 PM | #5 | ||||
Mad Warranty Voider
Senior Member
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Yeah, but did you do the VDD mod? Cuz 1.2s have a horrible time getting to or above 200fsb. I know, I had two 1.2s. Dmon, to get over 195 all you had to do was do the vdd mod.
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08-26-2003, 11:49 PM | #6 | ||||
Running System Stock
Forum Newbie
Posts: 10
Last Seen: 02-10-2008
From: Aberdeen
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Quote:
It's looking like there are plenty of people who believe in this mod but not one who can offer a plausible expanation for it. |
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08-27-2003, 02:54 AM | #7 | ||||
meat popsicle
Senior Member
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worked for my gigabyte board but not my asus....
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08-27-2003, 03:17 AM | #8 | ||||
+=/TOOL FAN\=+
Senior Member
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1. I believe ppl who use FSB 166 XP's as duallies cut the L12 bridge to run at FSB 133. So yes.
2. Haven't heard anything about this... |
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08-27-2003, 07:02 AM | #9 | ||||
Running System Stock
Forum Newbie
Posts: 3
Last Seen: 02-05-2004
Age: 51
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1. It's work (before mod max bootable fsb was 225 after max bootable is 245MHz) Stable is a bit little (242 in Prime - RAM asynchr)
2. It may be something like 4 or 5 bit multiplayer (up to 12,5 or 22) |
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08-27-2003, 08:27 AM | #10 | ||||
Running System Stock
Forum Newbie
Posts: 10
Last Seen: 02-10-2008
From: Aberdeen
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Quote:
L12 does not effect the 5th bit multiplier control, only the default FSB (open =266FSB, closed = 333FSB). The 5th bit multiplier is already taken care of on any NF7 board, so sorry, this cant explain it. |
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08-28-2003, 10:07 AM | #11 | ||||
*Latin Power*
Senior Member
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I did the L12 mod on both my xp2100 tbreds. Gained between 10-12Mhz. i say that isn't bad. Took me all but 10 minutes to do the wire trick.
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08-28-2003, 11:06 AM | #12 | ||||
Running System Stock
Forum Newbie
Posts: 10
Last Seen: 02-10-2008
From: Aberdeen
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Quote:
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08-28-2003, 11:32 AM | #13 | ||||
*Latin Power*
Senior Member
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Quote:
http://www.xtremesystems.org/forums/...threadid=15300 What I did was instead of painting the 3rd L12 bridge, i used the wire trick. I took a strand of telephone wire and looped it underneath the cpu's pins to close the L12 bridge. Thus making my xp2100 Tbred B Into an XP2700 (333) chip. Weks like a charm |
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08-28-2003, 11:53 AM | #14 | ||||
Running System Stock
Forum Newbie
Posts: 10
Last Seen: 02-10-2008
From: Aberdeen
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OK, now I understand.
I was really thinking about people who had done the opposite ie. converted 333FSB cpu's to 266 by cutting the bridge. |
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08-29-2003, 03:22 PM | #15 | ||||
I Feel the Need
Senior Member
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Bfeore L12 mod 225 stable
After 233 Stable Nice difference for an easy mod ( I soldered wire to backside) Why it works I have no Idea. |
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08-30-2003, 08:05 AM | #16 | ||||
ATI>NVIDIA
Senior Member
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It just tricks the bios so it thinks it can run faster is my guess.
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08-30-2003, 08:22 AM | #17 | ||||
Running System Stock
Forum Newbie
Posts: 10
Last Seen: 02-10-2008
From: Aberdeen
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Quote:
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08-30-2003, 09:25 AM | #18 | ||||
ATI>NVIDIA
Senior Member
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Well it "thinks" it has more overhead because it "thinks" it has a 333fsb cpu in it instead of a 266. I don't really konw thats just my guess. If I find something more technical I'll post it.
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