How to overclock E5200 to 3GGz with stock cooling?

July 25, 2017 at 07:35:16
Specs: Windows 10 64bit
Hello
My spec:
CPU:Pentium(R) Dual-Core CPU E5200 @ 2.50GHz
Motherboard:Gigabyte GA-EP45-UD3 (3 PCI, 3 PCI-E x1, 1 PCI-E x16, 4 DDR2 DIMM, Audio, Gigabit LAN, IEEE-1394) REV.1.0
GPU:Gigabyte Radeon R7 250 2GB DDR3
Memory:DDR2 4GB:
DIMM1: Kingston (2 GB DDR2-800 DDR2 SDRAM)
DIMM3: Kingston (2 GB DDR2-800 DDR2 SDRAM)
BIOS Version F4

Voltages:
CPU Core 1.120 V
CPU VID 1.150 V
+3.3 V 3.376 V
+12 V 12.239 V
+5 V Standby 5.188 V
VBAT Battery 2.848 V
DIMM 2.000 V
GPU Core 0.800 V

Curectly overclocked it to 3Ghz by watching some video on youtube but its not stable
CPU Speed
CPU Clock 1440.0 MHz (original: 2500 MHz)
CPU Multiplier 6x
CPU FSB 240.0 MHz (original: 200 MHz, overclock: 19%)
Memory Bus 480.0 MHz
DRAM:FSB Ratio 12:6
That is from Aida 64 Extreme

message edited by IceMan2017


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#1
July 25, 2017 at 09:26:09
How familiar are you with O/C theory? FSB is where the performance gains will be found, plus it's very important to keep the FSB:DRAM frequency ratio at either 1:1 or 1:2. These two ratios are considered optimal. Notice the word "frequency"...that means the actual clock setting, not the bogus QDR & DDR ratings.

The E5200 has a default FSB of 800MHz (200MHz frequency); DDR2-800 RAM runs at 400MHz frequency. So at the default settings, the ratio is 200:400 = 1:2, which is one of the optimal ratios. Your board officially supports up to 1600MHz FSB (400MHz frequency), so at that FSB setting with the RAM running at default speed, you'd be at 400:400 = 1:1, the other optimal ratio.

So what it boils down to is this: adjust the CPU settings to 7.5 x 400MHz (3.0GHz), configure the RAM to run at 400MHz, & you'll be good to go.

These settings should be adjusted in the BIOS using the MB Intelligent Tweaker menu. Actually, ALL the BIOS settings should be reviewed & adjusted as necessary to provide best performance. BTW, 3.0GHz is just a baby-step. The E5200 can be safely clocked much higher than that.

message edited by riider


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#2
July 25, 2017 at 14:48:18
8.0x400= 3.2GHz should be easy
8.5x400=3.4GHz if stable
9.0x400=3.6GBz might be pushing it but maybe worth trying some time.

You have to be a little bit crazy to keep you from going insane.


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#3
July 26, 2017 at 01:38:35
I dont have expirience in overclocking i am new to this from my first post i overclocked it from video on you tube and on that first post i post overclocked setting from AIDA64,all running fine except when i shut down computer then turn it on it start then shut of then it start again and in bio its says warrning boot failure due inproper overclocking bla bla,and windows can start normal.
And all Bios settings are on default except time,boot order mybe some other setting should be tweaked to?
I run Windows 10 64bit
HPET Support Enabled
HPET Mode 32bit mode
That is on default should i change it to 64bit?

Also SATA AHCI Mode is Disabled on default,do i need to enable it?
Init Display First is by default on PCI should it be on PEG?

message edited by IceMan2017


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#4
July 26, 2017 at 13:59:39
The proper way to overclock is from the BIOS. Do not use overclocking software. And youtube isn't the best place to look for overclocking tips. Once you learn the theory behind it, you should be able to overclock just about any PC. However, different CPUs have to be approached differently. AMD, for example, plays by a whole different set of rules.

"SATA AHCI Mode is Disabled on default,do i need to enable it?"

It should have been enabled before Windows was installed. If you enable it now, it's possible your system will no longer boot into Windows. Try it. If you can't enter Windows, just go back & disable it again.

"Init Display First is by default on PCI should it be on PEG?"

PEG = PCIE Graphics. Since you have Radeon graphics card, the Init Display First should be PEG. Give me a chance to download the motherboard manual & review the BIOS chapter. I'll post back later with recommended settings for 3.0GHz @ 1600MHz FSB.


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#5
July 26, 2017 at 14:57:30
All work ok only problem when i turn off computer and turn it on it turn it of again then start again and in bios it says boot failure beacuze overclocking or voltage ect and windows can start normaly.
Ok thank you i will wait for your post of recommended setting for 3.0Ghz.

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#6
July 28, 2017 at 05:55:53
Sorry about the delay. Here's the manual I used: http://download1.gigabyte.us/Files/...

In the MB Intelligent Tweaker(M.I.T.) menu, try the following:

Robust Graphics Booster - Auto
CPU Clock Ratio - 7x
Fine CPU Clock Ratio - +0.5
CPU Host Clock Control - Enabled
CPU Host Frequency (Mhz) - 400Mhz
PCI Express Frequency (Mhz) - 100Mhz
C.I.A.2 - Disabled
Performance Enhance - Standard
Extreme Memory Profile (X.M.P.) - Disabled
(G)MCH Frequency Latch - 400 (1600FSB)
System Memory Multiplier (SPD) - 2.00D
DRAM Timing Selectable (SPD) - Auto


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#7
July 29, 2017 at 03:27:48
You mean CPU Clock Ratio - 7 that x confuse me :)
Can i go with this spec to 8.0x400= 3.2GHz should be easy whot Fingers said?
Thank you so much for your time and help riider.

message edited by IceMan2017


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#8
July 29, 2017 at 04:40:48
"x" is the multiplier symbol as in basic math, 7x400Mhz. That's the way it's shown in the BIOS. There's a separate setting for the 1/2 multiplier so to create 7.5x, you'll need 7x and +0.5. It won't confuse you once you look at the settings.

I wouldn't jump straight to 3.2GHz (8 x 400MHz). Make sure you get the settings right & the system is stable at 3.0GHz before trying to go any higher. Use OCCT 4.5 to confirm your settings & test for stability:

http://www.ocbase.com/


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#9
July 29, 2017 at 05:30:50
Thank you my friend on everything,you helped me a loot.

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#10
July 30, 2017 at 02:56:12
I tryed that setting in bios but when i save to CMOS and exit computer shut down then power up then again shut down and power up,in bios when enter on MB Intelligent Tweaker(M.I.T.) it says;

The system has expirienced boot failure becauze of overclocking or changes of voltage.
Last settings in this page may not coincide with current H/W states.

Only thing i could not change cuz could not find in M.I.T. is Extreme Memory Profile (X.M.P.) - Disabled option.

I Booted into windows after that and opened AIDA 64 Extreme and in overclocking it shows;
CPU Type DualCore Intel Pentium E5200, 1500 MHz (7.5 x 200)
CPU FSB 200.0 MHz (original: 200 MHz)
Memory Bus 400.0 MHz
DRAM:FSB Ratio 12:6


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#11
July 30, 2017 at 07:39:49
I was afraid that might happen. I think it's the RAM settings. Try the above settings with this one change:

(G)MCH Frequency Latch - Auto


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#12
July 30, 2017 at 11:34:42
I changed MCH Frequency Latch - Auto,but same thing happened.

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#13
July 30, 2017 at 17:53:34
Overclocking is always trial & error. I'm fairly sure the problem is with the RAM setting. Try MCH Frequency Latch at 200MHz just to see if the system will boot into Windows. If it does, try using either OCCT from the link in response #8 or try CPUZ.

http://www.cpuid.com/softwares/cpu-...

If you run CPUZ, click on the memory tab to check the DRAM frequency & FSB:DRAM ratio. Here's an example:

http://imag.malavida.com/mvimgbig/d...


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#14
July 31, 2017 at 03:00:05
Hi riider

When i changed MCH Frequency Latch at 200MHz at
System Memory Multiplier only have options;
Auto
2.66C
3.33C
4.00C
tryed to leave it at auto but same thing happened when saved to bios settings comp shut down then power up and again shut down and power up then boted to windows and here are settings from
Aida 64Extreme;
CPU Clock 1200.0 MHz (original: 2500 MHz)
CPU Multiplier 6x
CPU FSB 200.0 MHz (original: 200 MHz)
Memory Bus 400.0 MHz
DRAM:FSB Ratio 12:6

Voltage Values
CPU Core 1.120 V
CPU VID 1.188 V
+3.3 V 3.376 V
+12 V 12.239 V
+5 V Standby 5.188 V
VBAT Battery 2.256 V
DIMM 1.920 V
GPU Core 0.800 V

DMI;
DMI Access System BIOS
DMI Size 1189 bytes
Warning Accuracy of DMI data cannot be guaranteed

Memory Module Properties
Module Name Kingston
Serial Number E73666D7h (3613800167)
Manufacture Date Week 30 / 2013
Module Size 2 GB (2 ranks, 8 banks)
Module Type Unbuffered DIMM
Memory Type DDR2 SDRAM
Memory Speed DDR2-800 (400 MHz)
Module Width 64 bit
Module Voltage SSTL 1.8
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh

Memory Timings
@ 400 MHz 6-6-6-18 (CL-RCD-RP-RAS) / 24-51-3-6-3-3 (RC-RFC-RRD-WR-WTR-RTP)
@ 333 MHz 5-5-5-15 (CL-RCD-RP-RAS) / 20-43-3-5-3-3 (RC-RFC-RRD-WR-WTR-RTP)
@ 266 MHz 4-4-4-12 (CL-RCD-RP-RAS) / 16-34-2-4-2-2 (RC-RFC-RRD-WR-WTR-RTP)


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#15
July 31, 2017 at 15:28:30
I still say it's the memory setting. Try these & see what's in bold.

Robust Graphics Booster - Auto
CPU Clock Ratio - 7x
Fine CPU Clock Ratio - +0.5
CPU Host Clock Control - Enabled
CPU Host Frequency (Mhz) - 400Mhz
PCI Express Frequency (Mhz) - 100Mhz
C.I.A.2 - Disabled
Performance Enhance - Standard
Extreme Memory Profile (X.M.P.) - Disabled
(G)MCH Frequency Latch - AUTO
System Memory Multiplier (SPD) - 2.00B
DRAM Timing Selectable (SPD) - Auto


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#16
August 1, 2017 at 02:37:32
I will try that, only i dont have that Extreme Memory Profile (X.M.P.) i didnt find it.

Tryed that but still didnt worked boot failure etc message when enter to bios.

message edited by IceMan2017


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#17
August 7, 2017 at 21:07:42
I think your memory Voltage is 1.50V by default, try 1.65V instead and use above settings from riider again and see if that helps.

You have to be a little bit crazy to keep you from going insane.


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#18
August 12, 2017 at 01:41:58
Ok i will try that.

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#19
August 15, 2017 at 10:27:31
I tryed Riider settings again with memory voltage 1.65V still fail.

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#20
August 15, 2017 at 13:17:10
Roll the CPU Clock Ratio back to 6 and see if it works there. If it does then stress test and go up by 1/2 at a time. Monitor the temps as well to be sure that they are not the reason for the problem. Leave the RAM volts at 1.65V until you get it to boot and stress tested, later you can try lowering it.
If you get it to run at 6, 6 1/2, or 7 then you can try increasing the VCore by .01 or or .015 and see if that increases stability and allows you to increase the multiplier. Important note: the increase of the VCore will increase the core temperature so watch the temps carefully during the process. Do NOT exceed 1.36V VCore for any reason and keep in well under 76Deg C Max. during stress testing. A good core temp for 24/7 use is idle 25-35C or so and normal use 30-45C with heavy use no higher than the low 50C's.
Overclocking is a process and every piece of silicon is different, some need more voltage to run the same settings and therefore hotter running. Occasionally you get one that needs a better heat sink than the stock one or just will not reach above a certain clock setting. Most Likely you will just have to experiment a little bit more to get it right.

You have to be a little bit crazy to keep you from going insane.


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