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Shamino
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Pin Mod LGA CPUs for Voltage Boost Shamino Aug 27th, 06, 09:50 PM #1

Quote:
After our "pin-mod" Core 2 Duo guide to boost voltages on these LGA CPUs for limiting motherboards, we had some requests for guides on the previous generation of LGA CPUs. So here is our "pin-mod" guide for all Pentium-based LGA CPUs, from the Pentium 4s to the Pentium/Celeron Ds and Pentium Extreme Editions. As usual, all you need is some electrical insulation tape and some conductive ink.


http://sg.vr-zone.com/?i=3931


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farksy Aug 27th, 06, 09:56 PM #2
Nice stuff.

The tape would have to cover the whole 'circle' in order for it to work right, for the 'green boxes'.
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Shmutt Aug 27th, 06, 10:01 PM #3
Wah.. This is freaking violent for me! Modding the CPU itself!
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MaReNoStRuM Aug 28th, 06, 03:03 AM #4
yes i saw this some days ago, its very good method if your board cant get high voltage from bios.

did you find that out by urself, shamino?
i think looking @ the papers for C2D and some knowledge did the job
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Shmutt Aug 28th, 06, 04:54 AM #5
I'm guessing that this will be useful if u're clocking on the Asrock mobos, aye?
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yantronic Aug 28th, 06, 06:42 PM #6
Added to Archive.
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The opinions expressed above do not represent those of VR-Zone (VR Media PTE LTD Singapore) or any of their affiliates.

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Shamino's volt mods working! Mr Vain Sep 1st, 06, 12:40 AM #7
Just overclocked my Pentium D 805 on the Asrock 775dual-vsta motherboard from a 3360MHz stable with stock voltage to 3690MHz stable with a CPU pin volt MOD.
I did the 1.420Volt mod and the voltage in the CPUZ is gone from 1.216-1.232 to 1.36-1.376 and has allowed me to overclock my D 805 another 330MHz.
Memory has gone from a 5/6 divider to a 1/1 divider automatically on DDR2 2T.
She’s cranking and so are the temps from 40 idle to 47 idle now, ambient is 24.
Might try a higher voltage mod soon and get this to 4MHz on a cheap Asrock 775dual-vsta motherboard Wow happy happy.

P.S. Just to let you know Shamino that the cpu pin position diagram that you are using, shows the missing cpu pin cut out and a small arrow on the wrong corner of the cpu (right bottom corner but should be on the left bottom corner). It had me scratching my head for awhile but your pictures reasured me so I took a leap of faith and it paid off.
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Last edited by Mr Vain; Sep 1st, 06 at 11:03 PM..
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any voltage mods for cedar mill celerons? adamred23 Sep 9th, 06, 05:40 AM #8
I got a celeron d 352 and an ASRock 775Dual-vsta mobo. I am stable at 4.46ghz, but at 1.25 I know this chip can do more, justs need some more juice. Wondering if anyone knows how to do this. Also I acidently ordered an oem chip, so I'm not sure of the stock voltage, as the asrock likes to jump around alot; anywhere from 1.22-1.26. I tried the mods for the lgas, but didnt get any of them to post. Any info would be greatly apreciated!

Adam

asrock 775dual-vsta
celeron d 352 [email protected]
1gig ocz DDR400
agp 6600gt
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Nexus Sep 9th, 06, 09:32 AM #9
wow, wonderful. Going to test on my PD one of these days.. any one tried out on their PD?
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Shamino
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Shamino Sep 9th, 06, 12:14 PM #10
Quote:
Originally Posted by jmsandrsn

Here is a link to the only program I have been able to find that will report what the default voltage is. You need to look at the voltage under the heading that says "Startup". The heading that says "Current" will show the VID being used if EIST (Enhanced Intel SpeedStep Technology) has kicked in and lowered the voltage and/or speed of the processor. I have used the program with P4 4 6xx processors as well as PentiumD 9xx CPU's and it seems to be right on the mark. I haven't used it with a Conroe system yet but I see no reason why it would not read the default voltage though.

http://cpu.rightmark.org//download/rmclock_215_bin.exe

Please keep in mind that this program will still continue to read the TRUE (or original) default voltage of the CPU after you do the mod so it can't be used to go back and check your work to see if you modded the voltage correctly (at least that's the way it behaved when modding the voltage on P4 CPU's).
..
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Overclocked D 805 on Asrock 775Dual-VSTA Motherboard Mr Vain Sep 10th, 06, 10:49 PM #11
Just overclocked my Pentium D 805 on the Asrock 775Dual-VSTA motherboard again from 3700Mhz to 3880MHz with Shamino's second CPU pin volt mod OF 1.5 VOLTS.

I did the first 1.420 Volt mod and the voltage in the CPU-Z is gone from 1.216-1.232 stock voltage to 1.36-1.376 and has allowed me to overclock my D 805 from 3400Mhz to 3700Mhz.

With the second CPU pin volt mod of 1.5Volts my D 805 has gone from 3700Mhz to 3880Mhz and the system is about 98% stable. I have posted at 4000MHz but might need more juice (Voltage) to keep it there stable. CPU-Z voltage has gone from 1.36-137 to 1.424 1.44 after the pin volt mod.

Memory has gone from 3-3-3-9 @ 3400Mhz with a 5/6 divider at to a 1/1 divider automatically @ 3700Mhz and onwards on my Geil DDR2 ram at 2T.

Temperatures are 24 ambient 44 at idle to 57 under heavy going with water-cooling. The VRM’s are needing good airflow with the extra voltage being produced otherwise everything seems ok.

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Shamino
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Shamino Sep 11th, 06, 01:31 AM #12
goodness... 4g with 805 is like wat? 70% oc?
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Mr Vain Sep 11th, 06, 10:07 PM #13
Quote:
Originally Posted by Shamino
goodness... 4g with 805 is like wat? 70% oc?
I would be totally satisfied with 4Ghz stable.

I have read of 4.3Ghz on air with a huge heat pipe cooling tower!

Are my CPU-Z voltage readouts correct as they are below the volt mods values that you published?
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Shamino
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Shamino Sep 11th, 06, 11:17 PM #14
VID are set points, so the mods are based on set points, and most board droop and so cpuzreadouts= voltages after droioping from setpoints so thats about right.
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Costy20 Sep 12th, 06, 12:57 AM #15
I have an pentium d 805 with asrock 775dual-vsta and i want to change the vcore as shown in the article above.I don't know what is the right picture for mod voltage because i see down the wrong triangle in the right corner, and i am out of solutions.All i want to ask is what is the default vcore for pentium d805 and what is the right picture to mod my proc in 1.55.Also rightmark cpu it shows me 1.325 and i'm not sure because when it showed me that score my cpu was overclocked to 3.24 ghz.And now, when i have the default mhz, it shows me the same 3.240 mhz and 1.325 vcore.Can someone help me, plz?
[IMG]C:\Documents and Settings\Costy\My Documents\My Pictures\cpu.bmp[/IMG]
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