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Gigabyte R7 240 DDR3 only vdimm mod

post #1 of 4
Thread Starter 
Hello friends

I have a problem with overcloking memory in this card. I can only from 800 to 970mhz. higher clock is unstable.

microcircuits in this card:

-gstek 72101
-uP1542S
-UTC RCT3 ( LM358L)
-UP0104P
-TGA47E

voltage ddr3 momory mod maybe can be a god way in my situation. Pencil or hardmod :-)
Where is vdimm mesure point?

can you help me?







Edited by gresja - 1/11/17 at 11:25am
post #2 of 4

Can you please post photos of the front side of PCB? Im sure the control IC for mod is located on the same side as the core/mosfets..

 

 

**and a volt mod will help with more voltage... but stable voltage is likely your issue with that weak power phase on board. I would actually look into adding some 16v caps to hold better input supply to the mosfet stages if I were you.

post #3 of 4
Thread Starter 
CL3P20 thanks for reply :-)

Tommorow i do a better photo. I need volt mod for memory because i have locked multipler gpu to memory ratio and abowe 1120Mhz for gpu, freqency memory return to default. I have changed all state in bios (mod) but this not hellp, abowe 11200mhz for gpu memory underclok to default. (but in bios i wrote default frequency as 970mhz) - i dont understate this?
post #4 of 4
Thread Starter 
I send a better photos.

Anybody can in this radeon bios memory timing changed? because i cant :-(


I have module 9prs -107G2 1800Mhz 13-13-13 ( trcd-trp-cl) and anther module 9prs -093G1 by 2000Mhz freuqency have 14-14-14 ( trcd-trp-cl). i thing that is too god way by overclocking


GPU SIDE










ANOTHER SIDE




Edited by gresja - 3/19/17 at 5:30am
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