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Open question to Advanced OCers - Running out of ideas for this e2140

post #1 of 7
Thread Starter 
Hi guys.

In few words, what I have is a Pentium Dual Core processor e2140 with high oc capabilities from what I have read in tons of articles around the web, being wasted at a very modest 1,6ghz x8 200mhz. As I have 3 fans running and a average core temp of 25°, I decided to try to overclock it. I had a foxconn lucknow MB when I first bought this pre-made PC, now I have a ECS G41T-M5, yeah, I know, lame MB, still better than the foxconn I had (this one has pci-e for example...)

This G41T-M5 comes with a standard AMIBIOS v8.0015 (64-0100-001131-00101111-051710-Eaglelake)
and for some reason options like "Ratio actual value/status" or "CPU mutilplier" or "FSB frequency" does not appear in CMOS setup utility, and some indicators are grayed out. I tried everything, disabling EIST, spread spectrum, everything on the web, and nothing. Voltage setings are grayed too. I can, however, modify RAM timmings.

Then I tried to change the FSB freq via windows with setFSB and some others programs, but my PLL (ICS 9LPRS525AGLF) is not listed.

I even tried to modify a BIOS rom to unlock some features (as I have read on some BIOS modding sites), after some reading, I finally got the right tools (AMIBCP) to modify my MB-specific BIOS rom.

originalbios.gif


modedbios.gif

I thought I had it, many sites says some vendors hidden some BIOS features, and some of these functions are easily unhidden by those kind of programs (AMIBCP, mobdin, etc) The function Ratio CMOS setting (cpu mutiplier) appeared in the AMIBCP program as a hidden feature, and it was not visible in my original CMOS setup utility, so I decided to set the access of it as "User", failsafe and optimal values as 0A (10 in dec value I supposed, not sure why it was FF, 255 in dec value) So I went ahead and flashed it. Everything was fine, but I still couldn't see the "Ratio CMOS setting" option, however, the "Ratio status", which displayed if the processor had its mutiplier locked or unlocked was not displayed anymore. Not sure what happened there, that might be a question for some BIOS modding sites and not here.

Then I read about CMOS hacking, but after runing some programs like Cmos Tools, I have no idea what hex I have to modify to change my multiplier, and I'm not even sure if its going to work either.

Am I doomed, or do I have a last resource out there?

As a computer engineering student, I hate to let it go, but I'm completely out of ideas. This is becoming a big challenge for me

Specs:
Quote:
CPU: Intel Pentium Dual Core E2140
clock speed 1600.0 MHz
FSB speed 200.0 MHz
multiplier 8.0x
Vcore 1.35

Motherboard: ECS G41T-M5 version 1.0

BIOS: American Megatrends Inc v 080015
date 05/17/2010 (not really, its moded)

RAM x2
Max bandwidth PC2-5300 (333 MHz)
Nominal Voltage 1.80 Volts
Memory Type DDR2, 2048 MBytes
CAS# latency (CL) 5.0
RAS# to CAS# delay (tRCD) 5
RAS# Precharge (tRP) 5
Cycle Time (tRAS) 15
Row Refresh Cycle Time (tRFC) 36

Not a fancy/new system, I know rolleyes.gif
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post #2 of 7
I do believe your multiplier is locked on your CPU itself and not by the BIOS.

Sorry
post #3 of 7
Thread Starter 
Quote:
Originally Posted by compuman145;13223480 
I do believe your multiplier is locked on your CPU itself and not by the BIOS.

Sorry

I see, but why then, the thousand of successful histories of overclocking of this cpu then? It's something I just can't figure out...
And, theres any way I can change the FSB or Vcore then? maybe a windows, linux DOS program?
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Kingston DDR3 Western Digital 160GB SATA2 Toshiba Samsung DVD-RW TS-H653N Lightscribe Windows 7 Professional x64 
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RAMHard DriveOptical DriveOS
Kingston DDR3 Western Digital 160GB SATA2 Toshiba Samsung DVD-RW TS-H653N Lightscribe Windows 7 Professional x64 
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post #4 of 7
The only one there is, is set fsb, and you've already done that. And the "thousands" of successful overclocks weren't done on bad to mediocre motherboards with a locked BIOS

Comps
post #5 of 7
Everyone else overclocking that CPU does so by raising the FSB. It's multiplier is locked. If the BIOS doesn't allow FSB control, you're out of luck (unless it can be exposed).
post #6 of 7
Intel has always locked it's multipliers on the CPU except for the newer "K" models. Your board is going to be pretty useless to OC with. Find a use for it at stock or look for a better board.
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i7 3930K @ 4.8Ghz offset ASrock X79 Extreme6/GB EVGA GTX680 FTW with EK waterblock EVGA GTX650 for PhysX 
RAMHard DriveHard DriveHard Drive
G-Skill 4x4GB DDR3 1866 8-9-9-24@1.5V Samsung 840 Pro 128GB Agility 3 240GB x2 RAID 0 WD 500GB X2 RAID 0 
CoolingCoolingCoolingCooling
XSPC Raystorm XSPC Dual Bay reservoir with Alphacool variable... Alphacool NexXxoS UT60 Full Copper Triple 120mm... EK GTX680 FTW waterblock 
OSMonitorPowerCase
Windows 7 64 bit Ultimate HP tSS-25X11LED 25" 1080p PC Power&Cooling Silentpower 910W Xigmatek Elysium 
MouseMouse PadAudioAudio
Razer Deathadder 3500 Rocketfish Creative Sound Core3D Logitech Z5300 
CPUMotherboardGraphicsRAM
960T unlocked to X6 ASUS M4A79XTD Evo Sapphire HD6870 1GB 2x2GB Ripjaws 7-8-7-24 F3-12800CL7D-4GBRM  
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128GB WD 320GB HDD Lite-On DVD-RW Corsair H100 
OSPowerCase
Win 7 x64 Ultimate OCZ Stealthstream 600W HAF XB 
CPUMotherboardGraphicsRAM
3570K P8Z77-I MSI 560 Ti TF2 Samsung 20nm 
Hard DriveCoolingOSMonitor
Crucial M500 Kuhler 620 Windows 7 x64 52" Samsung LED TV 
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post #7 of 7
Quote:
Originally Posted by 2thAche;13223765 
Intel has always locked it's multipliers on the CPU except for the newer "K" models. Your board is going to be pretty useless to OC with. Find a use for it at stock or look for a better board.

Not true, you had the "Extreme" series which had unlocked multipliers
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