unable to overclock

[bookbookw]

Rig:
Mobo: Asus P8Z77-V-PRO

Cpu: i7- 3770k

Gpu: Nvidia GTX 670 FTW

Ram:
Trident X 16GB
(F3-2400C10D-16GTX)
https://www.gskill.com/en/product/f3-2400c10d-16gtx

Os: Windows 7 Pro 64

Cooling: Watercooled

Programs: Core temp, Cpu-z, Prime95

link used \video : www.overclocknet/t/1291703/ivy-bridge-overclocking-guid...


Hi, Im trying to overclock my Cpu, but i can barely get the ball moving because of an error i am unfamiliar with.

tried to get to 4.5hz

For a baseline :
My Bios settings are all set to auto, i run prime95 to test stability, everything works fine

following the video, it said to do a basic beginning test before changing the variables:
1.changing overclock to tuner to manual and leaving all to auto,
2. changing the ram timing to what is on the package which is 10-12-12-31-2N latency
3.memory frequency to what our ram can handle, that being 2400mhz for me.
4. dram voltage to 1.65

after completing those steps i run prime95 again, this time it doesnt run a complete test
i get the following error almost instantly:

FATAL ERROR: Rounding was 0.5, expected less than 0.4

what does that mean?

after that, i followed the entire video, changing settings and just trying to add more vcore to get it to work. i went from 1.25 to 1.50 nothing changed, except for the additional bluescreen every now and then.

what should i try to do next?

ive also ran memtest86 with 4 passes just to check if my ram was bad.

the problem seems to be correlated with just changing the mem frequency to 2400 instead of leaving at the auto of 1333

any solutions?

 

[CAD4466HK]

Rig:
Mobo: Asus P8Z77-V-PRO

Cpu: i7- 3770k

Gpu: Nvidia GTX 670 FTW

Ram:
Trident X 16GB
(F3-2400C10D-16GTX)
https://www.gskill.com/en/product/f3-2400c10d-16gtx

Os: Windows 7 Pro 64

Cooling: Watercooled

Programs: Core temp, Cpu-z, Prime95

link used \video : www.overclocknet/t/1291703/ivy-bridge-overclocking-guid...


Hi, Im trying to overclock my Cpu, but i can barely get the ball moving because of an error i am unfamiliar with.

tried to get to 4.5hz

For a baseline :
My Bios settings are all set to auto, i run prime95 to test stability, everything works fine

following the video, it said to do a basic beginning test before changing the variables:
1.changing overclock to tuner to manual and leaving all to auto,
2. changing the ram timing to what is on the package which is 10-12-12-31-2N latency
3.memory frequency to what our ram can handle, that being 2400mhz for me.
4. dram voltage to 1.65

after completing those steps i run prime95 again, this time it doesnt run a complete test
i get the following error almost instantly:

FATAL ERROR: Rounding was 0.5, expected less than 0.4

what does that mean?

after that, i followed the entire video, changing settings and just trying to add more vcore to get it to work. i went from 1.25 to 1.50 nothing changed, except for the additional bluescreen every now and then.

what should i try to do next?

ive also ran memtest86 with 4 passes just to check if my ram was bad.

the problem seems to be correlated with just changing the mem frequency to 2400 instead of leaving at the auto of 1333

any solutions?

Have you tried setting the XMP profile for your RAM? If not, you need to set everything back to auto then enable XMP to 2400MHz. If your mobo won't support 2400, try 2133, or 1866, most won't work with 2400MHz.
If everything is stable after that, set your multi to 42 and work your way up 50MHz-100MHz at a time till you BSoD or freeze up or fail your stress test.
After it fails, go into Vcore and set it to manual and increase it by one setting, save and try it again.

Never start at what clocks you want to aim for, try using Intel Burn Test at very high for quick error detection.
And depending on what mobo your using, there are power settings for the CPU and mobo, max them out so you don't have any power throttle issues.
This method has always worked for me on SB/IB. Good luck!

 

[bookbookw]

Have you tried setting the XMP profile for your RAM? If not, you need to set everything back to auto then enable XMP to 2400MHz. If your mobo won't support 2400, try 2133, or 1866, most won't work with 2400MHz.
If everything is stable after that, set your multi to 42 and work your way up 50MHz-100MHz at a time till you BSoD or freeze up or fail your stress test.
After it fails, go into Vcore and set it to manual and increase it by one setting, save and try it again.

Never start at what clocks you want to aim for, try using Intel Burn Test at very high for quick error detection.
And depending on what mobo your using, there are power settings for the CPU and mobo, max them out so you don't have any power throttle issues.
This method has always worked for me on SB/IB. Good luck!

thank you for the reply.. i dont have any clue of what im doing and so i followed the guide. your terminology is way new to me..

i have tried to use xmp and all auto, when i did, it wouldnt pass prime95 the same way when i changed it to 2400.
are you suggesting that i lower 2400 to 2133 and lower to see if it works?
what is multi? or 42?

is there another guide i should reference?

thank you

 

[CAD4466HK]

thank you for the reply.. i dont have any clue of what im doing and so i followed the guide. your terminology is way new to me..

i have tried to use xmp and all auto, when i did, it wouldnt pass prime95 the same way when i changed it to 2400.
are you suggesting that i lower 2400 to 2133 and lower to see if it works?
what is multi? or 42?

is there another guide i should reference?

thank you

Did it allow you to set XMP at 2400?, try changing it to 2133 if you did. It could be failing cuz of Ram speed. even though your mobo supports 2600.
Multi is your multiplier for your CPU clock speed, 3770k should be 100x35 which gives you 3500MHz, if you change it to 42, that will give you 4200MHz.
EDIT: Your post says water cooling, are you running a AIO liquid cooling set up or a full loop?

 

[LigTasm]

Probably that Ivu Bridge CPU isn't going to do 2400mhz. It wasn't until Haswell that 2400+ was really common. I'd try 2133.

EDIT: looking at that kit, no way in hell an Ivy Bridge chip without a golden IMC is going to run it at XMP. That's definitely a Haswell kit. I would shoot for 2133 with good timings, it might do CAS 9 with that much voltage, but you're going to struggle to get a dual rank 16GB kit to do 2400 with that CPU and board.

 

[CAD4466HK]

Probably that Ivu Bridge CPU isn't going to do 2400mhz. It wasn't until Haswell that 2400+ was really common. I'd try 2133.

EDIT: looking at that kit, no way in hell an Ivy Bridge chip without a golden IMC is going to run it at XMP. That's definitely a Haswell kit. I would shoot for 2133 with good timings, it might do CAS 9 with that much voltage, but you're going to struggle to get a dual rank 16GB kit to do 2400 with that CPU and board.

I figured as much, good call. That's why I told him to shoot for 2133 or 1866.

 

[LigTasm]

I figured as much, good call.

Yeah, if it was a single rank 8GB kit he'd probably be able to do it. No idea what the sub-timings are on that kit but I don't think he'd be able to get it to run even with more system agent voltage.

 

[CAD4466HK]

Yeah, if it was a single rank 8GB kit he'd probably be able to do it. No idea what the sub-timings are on that kit but I don't think he'd be able to get it to run even with more system agent voltage.

Agreed, I figured it was RAM speed after he said 1333 was stable but after following that guide and setting shit to manual for 2400 is where shit went sideways.

 

[LigTasm]

Agreed, I figured it was RAM speed after he said 1333 was stable but after following that guide and setting shit to manual for 2400 is where shit went sideways.

If it were my system, I would be trying to push it to CAS8 1866 which I think would be overall faster than the XMP profile anyways, but it would probably take a lot of tweaking. Not the best combination of parts for a beginner overclocker but that's how you learn!

 

[CAD4466HK]

If it were my system, I would be trying to push it to CAS8 1866 which I think would be overall faster than the XMP profile anyways, but it would probably take a lot of tweaking. Not the best combination of parts for a beginner overclocker but that's how you learn!

Yeah when he asked me what multi meant and 42, I was glad I just steered him to XMP instead of a tighter timings shootout.
I would still like to know what he means by "watercooling" , if he's a noob, probably an AIO. (no offense OP)