E2xxx/E4xxx 1066 BSEL and Voltage Mod Guide

quadomatic

Senior member
May 13, 2007
993
0
76
Notes: Images are large, 56kers beware. Also, this WILL VOID YOUR WARRANTY. I am not responsible for any damages this causes you. I'm doing this on an E2200, but this should probably work on the rest of the E2xxx and E4xxx processors too, no promises though, and again, I'm not responsible for any damages these mods may cause.

I recently purchased the E2200 and ECS 945GCT-M combo, and have been looking to BSEL and voltmod it for some time. I finally finished the mod, but I haven't tested it yet. We'll see whether it works on Friday.

Materials:

Rubbing Alcohol
PVC Electric Tape
Pentium Dual Core Processor (DUH)
Toothpick(s)
Q-Tip(s)
Permatex Complete Rear Window Defogger Repair Kit (Get at any auto parts store, <$10)

First, you'll need to tape off the points that you need to connect with the paint. I myself am doing a BSEL mod to 1066 fsb and a 1.55volt Mod. You can find diagrams for what pins to connect for a voltage mod here:

http://sg.vr-zone.com/articles...tage_Boost/3904-4.html

When deciding what volt mod to use (if even necessary), you should try to do the least voltage increase possible. Don't just jump straight up to the high voltage mods (you shouldn't jump straight to 1.55v. Try smaller volt mods first, or see if one is even necessary). They'll make your CPU run hot, as well as lower its lifespan.

To do the 1.55v mod and BSEL 1066 mod, that meant doing the following:

http://img147.imageshack.us/im...7428/bseland155ni9.jpg

So, I isolated the points using the PVC Electric Tape. Isolating the points on the CPU isn't as easy as you might think. If you're not careful with this, it will be very easy for the defogger paint to leak underneath the tape and onto other pads, forcing you to do the mod again. When cutting the tape, DO NOT stretch it, as that makes it far less sticky. Also, if you've been working with the defogger paint, make sure none of it is on your fingers. If it is, and you touch the adhesive side of the electric tape, the copper WILL stick to the tape, and it may get onto your CPU. Also, I recommend you do not overlap pieces of tape if you can avoid it. Here's what my CPU looked like when I was done putting tape on it.

http://img206.imageshack.us/img206/6075/img1553hp6.jpg

After doing that, take the bottle labeled "Quick Grid Repair Compound" out of the Defogger kit box. Shake it well, and then open it up, and dip your toothpick in and scrape the sides to get the solid mixed well. Close the bottle and shake it again, and open it up and dip the toothpick in the compound. Take any excess liquid off of the toothpick using a sheet of paper laid out, or just tap it against the bottle.

Then, CAREFULLY, draw the circuit between the points on the CPU that need to be connected. It's kind of like making little dots and forming a circuit out of it. Be careful not to get a whole bunch of compound onto the CPU, because then you're going to have a mess on your hands, and you'll have to clean the CPU with alcohol.

If you're an idiot like me, you'll mess this up a few times before you finally get it right. So, be prepared to break out the rubbing alcohol and q-tips. Just dip the q-tips in alcohol and rub 'em against the CPU to get the compound off. It shouldn't be that difficult.

Once the circuit you drew has dried (should only take a few minutes), take the tape off of the CPU, and check that the compound hasn't gotten on any other pads. I took a toothpick and picked away some excess compound that was on the sides of the circuit (is this okay to do?). This is what it looked like when I was done:

http://img407.imageshack.us/img407/5184/img1560gj9.jpg

Also, you should test the circuits using a multimeter/multitester to make sure that they're actually good. I tested mine, and they appear to be fine.

I personally might give another shot at this, since I'm not positive that this is as good as I want it to be.

Thanks
 

shabby

Diamond Member
Oct 9, 1999
5,782
45
91
I tried it on my e4300+p5ld2-vm and it didnt work. Your mileage will vary depending on the mobo.
 

Ika

Lifer
Mar 22, 2006
14,264
3
81
1.55v? :shocked: How're the temps on that thing? And why do you need such a high voltage? I wouldn't be surprised if the chip could do 1066FSB at stock voltage.
 

quadomatic

Senior member
May 13, 2007
993
0
76
Its an E2200 so I need to do a voltage bump cuz it'll be running at 2.93 ghz.

I did take the copper for the voltage mod off, cuz I didn't think I did it well enough. I can't seem to get the mod done right...I think I'll give a 1.4v mod a shot and see if that works out.

Vdroop on this mobo is about .06. I'll probably have to do a volt mod. Most people have either done 1.4 or 1.55. I figured I'd do 1.55 out of laziness, but I guess I'll just do a 1.4v and then see if I need it to be even higher.

I haven't tested it yet, so I don't know what temps are like.
 

quadomatic

Senior member
May 13, 2007
993
0
76
I tried again, doing a 1.4v mod...and I got it on the first shot. I'm going to take that as a sign that I should be doing a 1.4v mod...
 

hans007

Lifer
Feb 1, 2000
20,212
18
81
i've done the bsel part with my e4400 m0 stepping.

it worked fine on my intel branded dg31pr. you have to be pretty neat about it. i tried before, on an intel d946gz and it didnt work with an e4300, but it might have just been me screwing that up.
 

lopri

Elite Member
Jul 27, 2002
13,310
687
126
I've tried the BSEL mod, and while it may help break through the FSB wall stemming from a chipset, it didn't help the max OC or FSB wall from the CPU itself. A CPU with an FSB wall @350FSB will top @350FSB, whether it defaults @200FSB or @266FSB. It helps when a board is the culprit. A big help indeed.
 

quadomatic

Senior member
May 13, 2007
993
0
76
Originally posted by: lopri
I've tried the BSEL mod, and while it may help break through the FSB wall stemming from a chipset, it didn't help the max OC or FSB wall from the CPU itself. A CPU with an FSB wall @350FSB will top @350FSB, whether it defaults @200FSB or @266FSB. It helps when a board is the culprit. A big help indeed.

Yeah, thanks for adding that. I figured that was obvious to people, but yeah, BSEL will not help you go past the oc u already have unless your mobo is the reason you can't oc.

My motherboard doesn't even have oc'ing options, which is why I would use BSEL and vCore mod.
 

CTho9305

Elite Member
Jul 26, 2000
9,214
1
81
Also, you should test the circuits using a multimeter/multitester to make sure that they're actually good. I tested mine, and they appear to be fine.

How much voltage does the multimeter apply to measure connectivity / resistance?
 

quadomatic

Senior member
May 13, 2007
993
0
76
Originally posted by: CTho9305
Also, you should test the circuits using a multimeter/multitester to make sure that they're actually good. I tested mine, and they appear to be fine.

How much voltage does the multimeter apply to measure connectivity / resistance?

probably not much, since people always say that these circuits should be tested with a multimeter.

I don't think it would damage the cpu if that's what you mean.
 

sjwaste

Diamond Member
Aug 2, 2000
8,757
12
81
Originally posted by: quadomatic
Its an E2200 so I need to do a voltage bump cuz it'll be running at 2.93 ghz.

I did take the copper for the voltage mod off, cuz I didn't think I did it well enough. I can't seem to get the mod done right...I think I'll give a 1.4v mod a shot and see if that works out.

Vdroop on this mobo is about .06. I'll probably have to do a volt mod. Most people have either done 1.4 or 1.55. I figured I'd do 1.55 out of laziness, but I guess I'll just do a 1.4v and then see if I need it to be even higher.

I haven't tested it yet, so I don't know what temps are like.

I guess I got lucky. My E2200 came last night and it does at least 3 GHz on stock volts (273x11) on a P35-DS3L, load temps not breaking 46C w/ the $17 Rosewill cooler in the Hot Deals forum. It was getting late so I didn't try maxing it out, but I'll give it a go next week.

 

cubeless

Diamond Member
Sep 17, 2001
4,295
1
81
went to the vrzone page... now @ 266*11/1.5... may try 1.4, since the ecs mobo won't even boot if i put 266 in the fsb speed... not too bad for $130 mb, chip, and paint...
 

quadomatic

Senior member
May 13, 2007
993
0
76
Originally posted by: cubeless
went to the vrzone page... now @ 266*11/1.5... may try 1.4, since the ecs mobo won't even boot if i put 266 in the fsb speed... not too bad for $130 mb, chip, and paint...

I wish I stuck with the 1.5v mod. I tried the 1.4v mod and it's not stable.