Prove the "pencil trick" to me...

DesignDawg

Diamond Member
Oct 9, 1999
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Hey all,

Got my Duron 700 and my KT7 RAID in today. I'm gonna wait for a ocuple of days before I instal any of it, because I have an Alpha PAL6035 on the way. I PLAN TO OVERCLOCK. Problem is, though I have seen probably HUNDREDS of people here talking about how all you have to do is connect ALL the L1 bridges, I have yet to see a SINGLE website confirm this. Tom's article is confusing as hell, with f\different settings for each bridge for each speed/voltage, etc... And Anand's involves cutting into the damn board. So, can anyone show me at least ONE article on the web that show that you can just close the four L1 bridges, and you have an unlocked proc?

THanks,

Ricky
DesignDawg
 

Jonny

Golden Member
Oct 26, 1999
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No big deal, just connect the 4 with a pencil and make sure the lines don't hit each other.

You don't need an article to prove it, everyone here will say the same.
 

zippy

Diamond Member
Nov 10, 1999
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There are some...mostly smallish hobby sites. Some of the bigger ones (anandtech, tom's, etc.) don't want to take responsibility for that if it doesn't work on that processor or cuz of the lead used. I understand 'em.

People here have successfully done the overclock by using pencil lead...so, yes, it has been confirmed.
 

Remnant2

Senior member
Dec 31, 1999
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The original article is at Wesley's hardware site, I don't remember the URL.. but it was first posted on AMDZone, you might want to head to the AMDZone BBSes and ask or look around there.
 

dkozloski

Diamond Member
Oct 9, 1999
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You are not setting jumpers by connecting bridges; you are completing the circuit between the pins on the bottom and internal parts to allow an external setting to overide an internal setting. The changes still have to be applied to the pins on the bottom of the CPU, either with dip switches and/or jumpers on the motherboard, or with BIOS settings depending on the motherboard.
 

DaddyG

Banned
Mar 24, 2000
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Designdawg,

You are confused because the articles were written at different times before the general availability of Socket A mobos. The ability to overclock TBIRD/DURON relies on the BP-FID pins. The L1 bridges, 'disconnect' these pins if they are blown. The mods that Anand did on the FIC AZ11, cut the traces on the mobo, so that the dips/jumpers he installed could be changed to select a higher multiplier on the BP-FID. Toms earlier Article involved the cutting of the bridges controlling the FID signals. These are set by AMD after the chip is tested for speed. Voltage bridges set the default voltage for the cpu and can be changed. The later ASUS A7V 1.01, has the BP-FID signals sent to a tri-state IC. The signals can be set by changing the dips, but if the L1 bridges are blown, the signals are not present, hence the need to connect. Lastly, the ABIT board allows the multiplier change through BIOS options, but again the L1 bridges need to be present.
Hope this shed some light.
 

DesignDawg

Diamond Member
Oct 9, 1999
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Thank you all.

You have now sufficiently proven the pencil trick to me. I see now that quite a few people have visited this thread also, so there seems to be a good bit of curiosity about this. DaddyG, I was pretty sure that the reason the Anand and Tom articles about it didn't really talk about the pencil trick was because they came out before the overclocker's boards really came out.... But now I think it's time for them to UPDATE. Not that I need it, but I'm certainly not the LAST person who is gonna come on here asking about this.

Ricky
DesignDawg
 

CTweak

Senior member
Jun 6, 2000
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Ditto, I used a standard 2 HB pencil to 'connect the dots' on my new TBird 800. Add one Abit KT7 and a Vantec AMD-S36040, and a few hours later I'm at 9x100 default voltage, no problems yet. 34C at idle, 44C highest I've seen yet after 3D apps (Quake, etc). Will shoot for the magic 1Ghz once I've proven 900 to be stable. Happy so far! :D