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E6600 BSEL Mod Help

post #1 of 18
Thread Starter 
For the past few days, I've been trying to max out the performance of an Emachines EL1852g(alternatively known as the acer aspire x1900, x1920) I had found. I had upgraded ram, cpu cooler, graphics card, and hard drives, however, due to the locked down BIOS and weird issues with the PLL, I've been unable to overclock the e6600. So I resorted to a BSEL Mod(1066->1333) with copper tape.
I reinstalled the cpu and cooler, and powered it on, then checked the BIOS to make sure it worked. Sure enough, the clock speed had changed from 2.4 gHz to 3.0 gHz. I tried booting, however, I kept on getting the Launch Startup Repair/Load Windows Normally menu. When I try booting into windows, the computer restarts, and when I try to launch startup repair, the computer BSOD's. What to I do?

tl;dr: tried bsel modding a cpu, now I get bsods and windows won't boot. Help please.

This is the BSEL mod I did.


EDIT: Spelling
post #2 of 18
Could be you need a voltage bump, 3.0 might be unstable. There are also BSEL mods for voltage bumps.

Most Emachines of that era were unable to run 1333 due to he 945 chipset. 1066 was the maximum the 945 chipset could run. You can however do the mod on any 800FSB CPU to run at 1066. When I upgraded my pentium d 820 to a e4400 core 2 duo 2.0Ghz I did the 1066 mod and ran it at 2.7.

The Emachines I bought in 2006 (or a
2007) was that got me in computer gaming, brings back good memories.
post #3 of 18
Sounds like you need to also VIN mod the CPU (same idea as the BSEL mod, just adds more voltage instead of FSB). There should be a ton of guides if you search google, but unfortunately, most of the photos and pics seem to have disappeared on most of the threads you'll find.
post #4 of 18
Thread Starter 
It turns out I had a bad motherboard. I used a different motherboard from the same product(I had found 4 pc's), and the mod worked perfectly fine! Its now running at 3.0 GHz, and is stable. I got a huge performance boost our of the CPU upgrade and the mod. I was getting a Heaven DX11 benchmark with average 19.5 fps before, now it runs avg 62 FPS!
Edited by kemfic - 12/7/16 at 11:41am
post #5 of 18
Thread Starter 
I have a question; I checked my PLL's datasheet, it says that the PLL supports 400 mHz, would I be able to bump up my speed from 1333 to 1600 mHz? The motherboad officially supports an FSB frequency of 1333 MHz. I realize that I will need to do a VID mod, and connect both BSEL1 and BSEL2 to VCC.
post #6 of 18
Quote:
Originally Posted by kemfic View Post

I have a question; I checked my PLL's datasheet, it says that the PLL supports 400 mHz, would I be able to bump up my speed from 1333 to 1600 mHz? The motherboad officially supports an FSB frequency of 1333 MHz. I realize that I will need to do a VID mod, and connect both BSEL1 and BSEL2 to VCC.

I doubt you will get far by over clocking thru PLL (clockgen) since all the buses are tied to it. You might be able to squeeze a few more MHz but not much.
post #7 of 18
you may also need a v bump / v mod on the north bridge too. ??? Also any POLY mods or VRM heat sinks?
Core 2 Haf
(16 items)
 
  
CPUMotherboardGraphicsRAM
C2Q Q9550 ASUS P5E3 Deluxe Wifi-AP GTX 480 Kingston HyperX DDR3 KHX1600C9D3K2/8G 
RAMHard DriveCoolingOS
PNY 1333 55gb, 320Gb, 500GB, 1TB Hyper 212 EVO Win 7 Ultimate 64bit 
OSOSPowerCase
Lubuntu 13.04 x64 OS X 10.8.5 TX750 Haf 912 
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Core 2 Haf
(16 items)
 
  
CPUMotherboardGraphicsRAM
C2Q Q9550 ASUS P5E3 Deluxe Wifi-AP GTX 480 Kingston HyperX DDR3 KHX1600C9D3K2/8G 
RAMHard DriveCoolingOS
PNY 1333 55gb, 320Gb, 500GB, 1TB Hyper 212 EVO Win 7 Ultimate 64bit 
OSOSPowerCase
Lubuntu 13.04 x64 OS X 10.8.5 TX750 Haf 912 
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post #8 of 18
OP :
That "E6600" you are using is a Core 2 Duo (I'm guessing this from 2,4GHz standard clock speed you mentioned).
Based on that, forget about 400MHz FSB without some serious cooling and a lot of Vcore (probably 1,5V+).
PC
(20 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 3820 ASUS X79 Sabertooth BIOS : 4701 MSI GTX 780 Ti (NOT Gaming) A-DATA XPG Extreme 2000X 4x2x2GB (8GB total) 
Hard DriveHard DriveHard DriveHard Drive
SSD GoodRAM Pro Iridium Pro 240GB WD 1TB EZEX Seagate 2TB ST2000DL003 Seagate 4TB ST4000DM003 
Optical DriveOptical DriveCoolingOS
PLEXTOR PX-880SA LG BH10LS30 Thermalright Venomuos-X Windows 10 Pro x64 
OSMonitorKeyboardPower
Windows XP SP3 x86 Samsung T240 Logitech UltraX Premium Sesonic X-760 760W 
CaseMouseAudioAudio
NZXT Tempest Roccat Savu ASUS Xonar Essence ST Deluxe 7.1 AudioTechnica ATH-A700 
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PC
(20 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 3820 ASUS X79 Sabertooth BIOS : 4701 MSI GTX 780 Ti (NOT Gaming) A-DATA XPG Extreme 2000X 4x2x2GB (8GB total) 
Hard DriveHard DriveHard DriveHard Drive
SSD GoodRAM Pro Iridium Pro 240GB WD 1TB EZEX Seagate 2TB ST2000DL003 Seagate 4TB ST4000DM003 
Optical DriveOptical DriveCoolingOS
PLEXTOR PX-880SA LG BH10LS30 Thermalright Venomuos-X Windows 10 Pro x64 
OSMonitorKeyboardPower
Windows XP SP3 x86 Samsung T240 Logitech UltraX Premium Sesonic X-760 760W 
CaseMouseAudioAudio
NZXT Tempest Roccat Savu ASUS Xonar Essence ST Deluxe 7.1 AudioTechnica ATH-A700 
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post #9 of 18
Thread Starter 
I upgraded the Core 2 Duo e6600 to a core 2 quad q6600 once I was sure the bsel mod worked. I have a cooler master hyper t4 I am planning on using, I think that should be sufficient cooling. I am planning on doing a VID mod, so the voltage shouldn't be an issue, correct me if I'm wrong.
post #10 of 18
Thread Starter 
I upgraded the Core 2 Duo e6600 to a core 2 quad q6600 once I was sure the bsel mod worked. I have a cooler master hyper t4 I am planning on using, I think that should be sufficient cooling. I am planning on doing a VID mod, so the voltage shouldn't be an issue, correct me if I'm wrong.
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