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GA-EP43T-UD3L + E8400 OC issues

post #1 of 5
Thread Starter 
I bought this mobo to replace my dead P35C-DS3R in hopes that it would OC as well as the P35 chipset. Well, it certainly does not. For the past 5 month or so, I have had this rig at 3.6 GHz (this EP43T doesn't like to go higher than 400/3.6), without any problems. Now, all of a sudden, I keep getting BSOD's during gaming and watching videos. Updated my drivers, same problem occurs. The BSOD's are random and point to all kinds of things, which leads me to believe (based on prior experience) that the mobo is having problems with the OC. So, I dropped my settings to stock, and sure enough, no more BSOD's.

So, I just now updated my BIOS to F9 and put my old OC back on, and I'm waiting for a BSOD. I'm sure it's going to happen. Now, I know there are a ton of other settings that I haven't touched yet, so I was wondering if I should change them to possibly make my OC more stable. These values below are from memory, some are guessed but most of them are accurate. Which of these should be changed, and to what?

Quote:
MB Intelligent Tweaker(M.I.T.)
Robust Graphics Booster ...............: Auto
CPU Clock Ratio ..........................: 9
Fine Clock...................................: 0.5
CPU Frequency ...........................: 3.80 GHz (400x9.5)



Standard Clock Control
CPU Host Clock Control..................: [Enabled]
CPU Host Frequency (Mhz) ............: 400
PCI Express Frequency (Mhz) .........: 100
C.I.A.2 .................................:[Disabled]


Advanced Clock Control
CPU Clock Drive...........................: 900
PCI Express Clock Drive.................: Auto
CPU Clock Skew (ps)....................: Auto
MCH Clock Skew (ps)...................: Auto


DRAM Performance Control
Performance Enhance...................: [STANDARD]
(G)MCH Frequency Latch...............: Auto
System Memory Multiplier ..............: 2.40B
Memory Frequency (Mhz) ..............: 800
DRAM Timing Selectable ................: [Manual]

Standard Timing Control
CAS Latency Time........................9
tRCD .........................................9
tRP'...........................................9
tRAS..........................................24

Advanced Timing Control
tRRD...........................................Aut o
tWTR.........................................Auto
tWR............................................Aut o
tRFC...........................................Aut o
tRTP...........................................Aut o
Command Rate (CMD) .................... Auto


Motherboard Voltage Control
Voltage Type.………... Manual
CPU
CPU Vcore….……….........................: 1.3317V

CPU Termination…..... 1.200V*.......: 1.22 or so

CPU PLL…………………....1.500V*.......: Auto

CPU Referen.…………....0.755V*.......: Auto


MCH/ICH
MCH Core…………….....1.100V...........: 1.20V
MCH Reference ??? Not sure about this one
DRAM
DRAM Voltage ……....1.500V............: 1.56v


Advanced Settings

CPU EIST Function.........................: Disabled
Virtualization Technology................: Enabled
It's Disturbing
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Samsung 840 Pro LITE-ON SATA 20x DVD-RW Cooler Master Hyper 212 Evo Windows 7 Ultimate 
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post #2 of 5
Thread Starter 
Bump
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Core i5 4670k ASrock Z87 Killer eVGA GTX 980Ti SC+ 6GB G.Skill Ares Series 
Hard DriveOptical DriveCoolingOS
Samsung 840 Pro LITE-ON SATA 20x DVD-RW Cooler Master Hyper 212 Evo Windows 7 Ultimate 
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It's Disturbing
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 4670k ASrock Z87 Killer eVGA GTX 980Ti SC+ 6GB G.Skill Ares Series 
Hard DriveOptical DriveCoolingOS
Samsung 840 Pro LITE-ON SATA 20x DVD-RW Cooler Master Hyper 212 Evo Windows 7 Ultimate 
MonitorMonitorKeyboardPower
LG 55" HDTV Crossover 2795QHD Logitech Wave EVGA 850 GQ 
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NZXT Tempest 210 Black Logitech G602 
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post #3 of 5
It's a P43 chipset limitation as they usually top out at 400-420MHz FSB range..

Some of them don't even touch 400MHz FSB mark..

But bump MCH voltage to 1.30V and CPU termination at 1.30V..and see if that helps..

CHEERS..
Edited by KingT - 2/4/11 at 10:31am
     
CPUMotherboardGraphicsRAM
E6750 G0 @ 3.3GHz (1.25V LOAD) Asus P5KPL-VM G31 GeForce 8500GT @ 700/1600/445 Apacer 2x1GB 800MHz 
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Hitachi Deskstar 160GB (7200,8MB) LG DVD Win 7 Ultimate 64bit build 7601 LG 19" 
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CPUMotherboardGraphicsRAM
E6750 G0 @ 3.3GHz (1.25V LOAD) Asus P5KPL-VM G31 GeForce 8500GT @ 700/1600/445 Apacer 2x1GB 800MHz 
Hard DriveOptical DriveOSMonitor
Hitachi Deskstar 160GB (7200,8MB) LG DVD Win 7 Ultimate 64bit build 7601 LG 19" 
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5$ keyboard Cheap stuff Linkworld crappy/modded SmartBox cheap 
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post #4 of 5
Thread Starter 
Quote:
Originally Posted by KingT View Post
It's a P43 chipset limitation as they usually top out at 400-420MHz FSB range..

Some of them don't even touch 400MHz FSB mark..

But bump MCH voltage to 1.30V and CPU termination at 1.30V..and see if that helps..

CHEERS..
Bumped the voltage on MCH and CPU termination, and now it passes Prime95 on every test.

Thanks a bunch, that really helped. Rep+
It's Disturbing
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 4670k ASrock Z87 Killer eVGA GTX 980Ti SC+ 6GB G.Skill Ares Series 
Hard DriveOptical DriveCoolingOS
Samsung 840 Pro LITE-ON SATA 20x DVD-RW Cooler Master Hyper 212 Evo Windows 7 Ultimate 
MonitorMonitorKeyboardPower
LG 55" HDTV Crossover 2795QHD Logitech Wave EVGA 850 GQ 
CaseMouse
NZXT Tempest 210 Black Logitech G602 
  hide details  
Reply
It's Disturbing
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 4670k ASrock Z87 Killer eVGA GTX 980Ti SC+ 6GB G.Skill Ares Series 
Hard DriveOptical DriveCoolingOS
Samsung 840 Pro LITE-ON SATA 20x DVD-RW Cooler Master Hyper 212 Evo Windows 7 Ultimate 
MonitorMonitorKeyboardPower
LG 55" HDTV Crossover 2795QHD Logitech Wave EVGA 850 GQ 
CaseMouse
NZXT Tempest 210 Black Logitech G602 
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post #5 of 5
Quote:
Originally Posted by sgtdisturbed47 View Post
Bumped the voltage on MCH and CPU termination, and now it passes Prime95 on every test.

Thanks a bunch, that really helped. Rep+
That's nice man..

GOOD LUCK..

CHEERS..
     
CPUMotherboardGraphicsRAM
E6750 G0 @ 3.3GHz (1.25V LOAD) Asus P5KPL-VM G31 GeForce 8500GT @ 700/1600/445 Apacer 2x1GB 800MHz 
Hard DriveOptical DriveOSMonitor
Hitachi Deskstar 160GB (7200,8MB) LG DVD Win 7 Ultimate 64bit build 7601 LG 19" 
KeyboardPowerCaseMouse
5$ keyboard Cheap stuff Linkworld crappy/modded SmartBox cheap 
Mouse Pad
N/A 
  hide details  
Reply
     
CPUMotherboardGraphicsRAM
E6750 G0 @ 3.3GHz (1.25V LOAD) Asus P5KPL-VM G31 GeForce 8500GT @ 700/1600/445 Apacer 2x1GB 800MHz 
Hard DriveOptical DriveOSMonitor
Hitachi Deskstar 160GB (7200,8MB) LG DVD Win 7 Ultimate 64bit build 7601 LG 19" 
KeyboardPowerCaseMouse
5$ keyboard Cheap stuff Linkworld crappy/modded SmartBox cheap 
Mouse Pad
N/A 
  hide details  
Reply
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