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8600gts ocp help

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post #1 of 8

3/24/12 at 2:13pm

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redhat_ownage
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im hitting ocp on my 8600gts after i already did the ocp mod?
its all fine at 1.68V but when i go to 1.78v it black screens 2 seconds into the bench, anyone know what i did wrong?

CPU	Motherboard	Graphics	RAM
i7 920 @ 4.2ghz	broken EVGA X58 Classified	4850 in dire need of a epower	Redhats special 3x4GB 1600 7-8-7-21 1.6v
Hard Drive	Optical Drive	Monitor	Power
F3 1TB	NEC 22X DVD-RW	22inch samsung sync master	antec hcg 750w
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CPU	Motherboard	Graphics	RAM
i7 920 @ 4.2ghz	broken EVGA X58 Classified	4850 in dire need of a epower	Redhats special 3x4GB 1600 7-8-7-21 1.6v
Hard Drive	Optical Drive	Monitor	Power
F3 1TB	NEC 22X DVD-RW	22inch samsung sync master	antec hcg 750w
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post #2 of 8

3/24/12 at 5:07pm

ARandomOWL
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That could be OVP due to increased Vgpu when the bench starts.

CPU	Motherboard	Graphics	RAM
i7 2600K @ 4.8GHz, 1.4V	Maximus IV Extreme	GTX 560 DCII TOP	4x4GB Kingston HyperX 1866MHz CL11
Hard Drive	Hard Drive	Cooling	Cooling
Kingston HyperX 3K 120GB	Samsung 640GB	Thermochill PA120.2	Jingway DB-1 Pump
Cooling	Cooling	OS	Monitor
2x Kaze Jyuni 1900RPM	EK Supreme HF Copper plexi	Arch Linux x64	Acer X223HQ 1920x1080
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Microsoft Sidewinder X4	Corsair HX750	Modded Corsair Carbide 500R	Logitech M500
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CPU	Motherboard	Graphics	RAM
i7 2600K @ 4.8GHz, 1.4V	Maximus IV Extreme	GTX 560 DCII TOP	4x4GB Kingston HyperX 1866MHz CL11
Hard Drive	Hard Drive	Cooling	Cooling
Kingston HyperX 3K 120GB	Samsung 640GB	Thermochill PA120.2	Jingway DB-1 Pump
Cooling	Cooling	OS	Monitor
2x Kaze Jyuni 1900RPM	EK Supreme HF Copper plexi	Arch Linux x64	Acer X223HQ 1920x1080
Keyboard	Power	Case	Mouse
Microsoft Sidewinder X4	Corsair HX750	Modded Corsair Carbide 500R	Logitech M500
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post #3 of 8

4/1/12 at 10:25pm

CL3P20
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ISL has per phase and total OCP.. looks like OVP is +175mv from VID too... and mosfet limitations in the datasheet mention 1.72v as a max - fyi

* you did total OCP.. but not per phase.

pins #16 and #26 for phase OCP : just make sure both are exactly the same.. you may want to try for cleaner power before pushing for more IMO

Edited by CL3P20 - 4/1/12 at 10:34pm

CPU	Motherboard	Graphics	RAM
i7 930	Gigabyte X58A-OC	MSI 6950 TFIII PE/OC	3x2 Mushkin Redline PC3-16000
Cooling	Monitor	Power	Case
Zalman CNPS10x	Panasonic 37" 1080p Plasma	HCG900w	X-gamer Aspire
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post #4 of 8

4/14/12 at 10:23am

CL3P20
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any update on progress..?

CPU	Motherboard	Graphics	RAM
i7 930	Gigabyte X58A-OC	MSI 6950 TFIII PE/OC	3x2 Mushkin Redline PC3-16000
Cooling	Monitor	Power	Case
Zalman CNPS10x	Panasonic 37" 1080p Plasma	HCG900w	X-gamer Aspire
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i7 930	Gigabyte X58A-OC	MSI 6950 TFIII PE/OC	3x2 Mushkin Redline PC3-16000
Cooling	Monitor	Power	Case
Zalman CNPS10x	Panasonic 37" 1080p Plasma	HCG900w	X-gamer Aspire
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post #5 of 8

4/14/12 at 10:56am

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redhat_ownage
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my efficiency is horribad

im pretty sure its the memory clocks but it starts freaking out bad past 1100
Edited by redhat_ownage - 4/14/12 at 11:05am

CPU	Motherboard	Graphics	RAM
i7 920 @ 4.2ghz	broken EVGA X58 Classified	4850 in dire need of a epower	Redhats special 3x4GB 1600 7-8-7-21 1.6v
Hard Drive	Optical Drive	Monitor	Power
F3 1TB	NEC 22X DVD-RW	22inch samsung sync master	antec hcg 750w
View all

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CPU	Motherboard	Graphics	RAM
i7 920 @ 4.2ghz	broken EVGA X58 Classified	4850 in dire need of a epower	Redhats special 3x4GB 1600 7-8-7-21 1.6v
Hard Drive	Optical Drive	Monitor	Power
F3 1TB	NEC 22X DVD-RW	22inch samsung sync master	antec hcg 750w
View all

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post #6 of 8

4/14/12 at 3:27pm

CL3P20
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So did you get OCP figured out then? - memory are Sammy's right?

CPU	Motherboard	Graphics	RAM
i7 930	Gigabyte X58A-OC	MSI 6950 TFIII PE/OC	3x2 Mushkin Redline PC3-16000
Cooling	Monitor	Power	Case
Zalman CNPS10x	Panasonic 37" 1080p Plasma	HCG900w	X-gamer Aspire
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CPU	Motherboard	Graphics	RAM
i7 930	Gigabyte X58A-OC	MSI 6950 TFIII PE/OC	3x2 Mushkin Redline PC3-16000
Cooling	Monitor	Power	Case
Zalman CNPS10x	Panasonic 37" 1080p Plasma	HCG900w	X-gamer Aspire
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post #7 of 8

4/14/12 at 3:33pm

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redhat_ownage
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didnt quite figure it out but i got it to a voltage just under ocp that still gets me to 2ghz shader, and the memory is quimonbad

CPU	Motherboard	Graphics	RAM
i7 920 @ 4.2ghz	broken EVGA X58 Classified	4850 in dire need of a epower	Redhats special 3x4GB 1600 7-8-7-21 1.6v
Hard Drive	Optical Drive	Monitor	Power
F3 1TB	NEC 22X DVD-RW	22inch samsung sync master	antec hcg 750w
View all

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CPU	Motherboard	Graphics	RAM
i7 920 @ 4.2ghz	broken EVGA X58 Classified	4850 in dire need of a epower	Redhats special 3x4GB 1600 7-8-7-21 1.6v
Hard Drive	Optical Drive	Monitor	Power
F3 1TB	NEC 22X DVD-RW	22inch samsung sync master	antec hcg 750w
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post #8 of 8

4/15/12 at 9:27am

CL3P20
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Sucks on the Quimonda :( ..maybe try to piggyback the inductors with a larger set.. If they "play well" you will be able to give it more juice without tripping OCP .

*New inductors should bring higher vcore at same setting.. if you notice vcore drop after inductors - remove them.

CPU	Motherboard	Graphics	RAM
i7 930	Gigabyte X58A-OC	MSI 6950 TFIII PE/OC	3x2 Mushkin Redline PC3-16000
Cooling	Monitor	Power	Case
Zalman CNPS10x	Panasonic 37" 1080p Plasma	HCG900w	X-gamer Aspire
View all

hide details

CPU	Motherboard	Graphics	RAM
i7 930	Gigabyte X58A-OC	MSI 6950 TFIII PE/OC	3x2 Mushkin Redline PC3-16000
Cooling	Monitor	Power	Case
Zalman CNPS10x	Panasonic 37" 1080p Plasma	HCG900w	X-gamer Aspire
View all