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The Gigabyte Z87/Haswell Overclocking(OC) Guide - Page 271

post #2701 of 3251
Thread Starter 
yea on the OC board the CPUz reads VID now instead of VCore.
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post #2702 of 3251
Quote:
Originally Posted by Cccmx View Post

Low gfx performance and trouble booting


Hardware
I4770K
Gigabyte Z87X-UD4H
2 x 4gb ram Corsair Vengeance
Saphire 7850 1GB
Win 7 sp1

When i do a slight overclocking (40x and Vcore=1.100) I am getting very low gfx performance.
Also it's a problem booting, and I have to cycle power a few times to get to boot properly.

The low gfx performance gives stutter in bios screen and windows (very low framerate).
Sometimes it boots ok and i have full gfx performance, but it usually takes 2-3 restarts.

If I use the i4770K integrated gfx, no problem at all. OC x42 and Vcore = 1.150 stable OCCT 1 hour.

At default settings (no oc) I have no problem booting and full gfx performance all the time with the HD 7850.

I think the saphire 7850 is the problem, any ideas?


Tried another gfx card and thet solved the problem:) So RMA the 7850 gfx
post #2703 of 3251
Quote:
Originally Posted by Cyro999 View Post

Are you using high enough VRIN? Also, the cpu-z sensor is probably incorrect - you need to use version 1.64.0 on that board, another sensor that works is the one specifically labeled "Vcore" (not core VID) in hwinfo

On Single Stage i use VRING 2.00V and VRIN AUTO, on LN2 VRING 2.42V and VRIN 1.40V. It's too high ? But i understand the vdrop of mboard...
post #2704 of 3251
Believe you have those backwards. If you had ring voltage that high it would kill the chip for sure.

Sent from my SM-N900P using Tapatalk
post #2705 of 3251
^yea this, also VRIN LLC extreme set?

I have no idea how stuff behaves subzero

If your actual measured vrin is in like the 1.9-2.0 range, you probably shouldn't see vcore notably below what you set
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post #2706 of 3251
I think it's a switch on the board, bios. I have the board and I am not 100% sure lol.
post #2707 of 3251
Any information / Testing on the option "Performance Enhance" for RAM.

-> Stability
-> Normal
-> Performance

PC refuses to boot stock ram settings with stable CPU OC applied when selecting performance/stability. Sometimes I have a hard time getting into the BIOS when any of those options are selected besides "normal". IS it worth it to enable performance, will I see much difference between normal and performance using stock ram settings.
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post #2708 of 3251
Quote:
Originally Posted by Unknownm View Post

Any information / Testing on the option "Performance Enhance" for RAM.

-> Stability
-> Normal
-> Performance

PC refuses to boot stock ram settings with stable CPU OC applied when selecting performance/stability. Sometimes I have a hard time getting into the BIOS when any of those options are selected besides "normal". IS it worth it to enable performance, will I see much difference between normal and performance using stock ram settings.

It's probably stuff like tighter secondary/tertiary timings. If you're not tweaking/benchmarking RAM then don't bother
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post #2709 of 3251
Quote:
Originally Posted by Cyro999 View Post

It's probably stuff like tighter secondary/tertiary timings. If you're not tweaking/benchmarking RAM then don't bother


1600Mhz @ 1.50v, auto = 10-10-10-25-1T
1800Mhz @ 1.65v, auto = 11-12-12-35-2T

Sometimes with RAM OC the PC boots really slowly and screen update slows down when entering the BIOS yet Memtest (USB) /Prime95/IBT/IXTU/LinX all pass fine once I'm able to boot to windows. Don't understand why this is happening... both sticks pushed 1.86Ghz on my 3570K ivybridge setup with 10-10-10-25-1T (auto set the same setting as doing manual) using 1.65v yet on my haswell build 10-10-10-25-1T @ 1.8Ghz cause failure to boot correctly and auto (11-12-12-35-2T) makes slow BIOS bootup and sometimes unable to enter the BIOS because the screen goes blank. Motherboard reports A0..
Edited by Unknownm - 3/28/14 at 6:16pm
Gaming PC
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Dell M6400 ($90)
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RAMHard DriveHard DriveHard Drive
2.8Ghz, CMY16GX3M2A2400C11R A-DATA SP900 2x ST2000DM001-1ER164 ASMedia® ASM1061 (External) 
CoolingOSMonitorMonitor
swiftech h320 Stripped Win 10 x64 15063 *M* SAMSUNG LS24F350 *S* LG 22MP48HQ 
PowerCaseMouseAudio
Corsair RM850w Corsair Obsidian 750D Corsair Harpoon RGB Fiio E7 
CPUMotherboardGraphicsRAM
Intel Core 2 Duo P8700 Dell 076V94 (Intel Q43) Quadro FX 2700M 2x Samsung M471B5773CHS-CH9 
Hard DriveHard DriveOptical DriveCooling
WDC WD2500BJKT-75F4T0 TOSHIBA MQ01ACF032 HT-DT-ST DVD +-RW GS20N 2x Heat-pipe-sink + fans 
OSMonitorKeyboardPower
Win 10 x64 15063 Super Lite Edition 1440x900 @ 100hz Dell + Numpad 95w 
Mouse Pad
Dell Touchpad 
CPUGraphicsRAMHard Drive
Qualcomm Snapdragon 820 MSM8996 [OC] Adreno 530 2x 2GB LPDDR4 32 GB eMMC Flash 
CoolingOSMonitorKeyboard
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Gaming PC
(16 items)
 
Dell M6400 ($90)
(14 items)
 
HTC 10
(9 items)
 
CPUMotherboardGraphicsRAM
i5 4690K (Delidded) MSI Z97 MPOWER AC MAX EVGA 980 Ti Hybrid  2.8Ghz, CMY16GX3M2A2400C11R 
RAMHard DriveHard DriveHard Drive
2.8Ghz, CMY16GX3M2A2400C11R A-DATA SP900 2x ST2000DM001-1ER164 ASMedia® ASM1061 (External) 
CoolingOSMonitorMonitor
swiftech h320 Stripped Win 10 x64 15063 *M* SAMSUNG LS24F350 *S* LG 22MP48HQ 
PowerCaseMouseAudio
Corsair RM850w Corsair Obsidian 750D Corsair Harpoon RGB Fiio E7 
CPUMotherboardGraphicsRAM
Intel Core 2 Duo P8700 Dell 076V94 (Intel Q43) Quadro FX 2700M 2x Samsung M471B5773CHS-CH9 
Hard DriveHard DriveOptical DriveCooling
WDC WD2500BJKT-75F4T0 TOSHIBA MQ01ACF032 HT-DT-ST DVD +-RW GS20N 2x Heat-pipe-sink + fans 
OSMonitorKeyboardPower
Win 10 x64 15063 Super Lite Edition 1440x900 @ 100hz Dell + Numpad 95w 
Mouse Pad
Dell Touchpad 
CPUGraphicsRAMHard Drive
Qualcomm Snapdragon 820 MSM8996 [OC] Adreno 530 2x 2GB LPDDR4 32 GB eMMC Flash 
CoolingOSMonitorKeyboard
Passive Android 7.0 2.51.617.1 Super LCD 5: 2560x1440 (565 PPI) Sony Xperia Keyboard 
Power
3,000 mAh Battery 
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post #2710 of 3251
Quote:
Originally Posted by Unknownm View Post

1600Mhz @ 1.50v, auto = 10-10-10-25-1T
1800Mhz @ 1.65v, auto = 11-12-12-35-2T

Sometimes with RAM OC the PC boots really slowly and screen update slows down when entering the BIOS yet Memtest (USB) /Prime95/IBT/IXTU/LinX all pass fine once I'm able to boot to windows. Don't understand why this is happening... both sticks pushed 1.86Ghz on my 3570K ivybridge setup with 10-10-10-25-1T (auto set the same setting as doing manual) using 1.65v yet on my haswell build 10-10-10-25-1T @ 1.8Ghz cause failure to boot correctly and auto (11-12-12-35-2T) makes slow BIOS bootup and sometimes unable to enter the BIOS because the screen goes blank. Motherboard reports A0..
A0 is the code for Windows. Not sure what is causing a blank screen but you might try adding a little system agent voltage to help your DRAM along....I would start with around .02 and work up a little. Might even try adding a little to the analog I/O and digital I/O.
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