need help OCing correctly..

Toggle sidebar Toggle sidebar
andlaw

andlaw

Reputable
Mar 17, 2014
19
0
4,510
I am kinda new to overclocking, mainly on AMD. i built a secondary system primarily for gaming, so i went with AMD FX-8350, on an Asus Crosshair V Formula-Z motherboard. I have Corsair vengeance 16gb (2x8gb) DDR3 1600, and sli gtx 770s by asus. I avoided installing the AI suite, so i am doing this manually through the UEFI BIOS. so here is my problem..
I am changing the CPU bus frequency to 220 from Auto, giving me a clock speed of 4400 from 4000. Ratio is set to Auto, but it is 20 (20x220 = 4400). so even if i leave it as 20 or Auto, now i move onto the Memory frequency. 1333 has changed to 1466 and 1600 has changed to 1760. so when im done and booted, CPU-z is showing that my memory timing is the same at (9-9-9-24) but its 1766 giving me (883mhz per dimm) (883x2= 1766).

Am i doing something wrong here?? i want to overclock the CPU and leave my memory stock at 1600. Is there a way to do this?? or is it being overclocked 83mhz on each stick ok?? any advice and feedback is always greatly appreciated. Thanks in advance..
 
Solution
maddogfargo
First, if you are new to overclocking, you should read a guide. There are several, but here's a good one based on Bulldozer that still applies to newer FX series CPUs:

http://forums.tweaktown.com/gigabyte/46237-bulldozer-overclocking-guide-performance-scaling-charts-max-ocs-ln2-results-coming.html

It covers FSB overclocking, which will give you a RAM, NB and HT overclock as well. Even with an unlocked CPU, this is still a good approach as it gives you better overall system performance. With your high end motherboard this is a good option.


If your RAM isn't up to overclocking, or this is overwhelming, then use a CPU multiplier OC guide instead. This is simpler and less risky in some respects.
Sort by date Sort by votes
cdrkf

cdrkf

Judicious
Mar 18, 2013
3,148
425
36,240


If you have an FX 8350 you don't need to change the blk (in fact I'd recommend against it if you can avoid it as it changes your PCIE and Memory frequencies as you've noticed). All you need to do is change the multiplier as it is unlocked on any of the FX chips.

To go to 4400 just up the multiplier to 22. If the chip isn't stable on stock voltages at that you might need to add a little bit of additional power onto the vCore setting (but don't over do it!). If you do you're overclock this way however your memory and PCIE settings will be unchanged so I think the system will be more stable overall.
 
Upvote 0 Downvote
andlaw

andlaw

Reputable
Mar 17, 2014
19
0
4,510


Im in BIOS right now, i just set Optimized defaults back, saved, rebooted back into bios. Everything is as it was when i first booted after the build. Now, i change only the CPU ratio? leave Ai Overclock tuner to Auto? dont switch it to manual? and dont change Memory frequency? leave it to Auto? right now its showing Current Memory Frequency :: 1333mhz..

 
Upvote 0 Downvote
maddogfargo

maddogfargo

Splendid
Nov 28, 2006
3,344
8
22,965
First, if you are new to overclocking, you should read a guide. There are several, but here's a good one based on Bulldozer that still applies to newer FX series CPUs:

http://forums.tweaktown.com/gigabyte/46237-bulldozer-overclocking-guide-performance-scaling-charts-max-ocs-ln2-results-coming.html

It covers FSB overclocking, which will give you a RAM, NB and HT overclock as well. Even with an unlocked CPU, this is still a good approach as it gives you better overall system performance. With your high end motherboard this is a good option.


If your RAM isn't up to overclocking, or this is overwhelming, then use a CPU multiplier OC guide instead. This is simpler and less risky in some respects.
 
Upvote 1 Downvote
Solution
cdrkf

cdrkf

Judicious
Mar 18, 2013
3,148
425
36,240
Yeah I agree maddogfargo- however as he mentioned he was new to this then I think sticking with a simple multiplier overclock is easier. Also it depends on what *needs* overclocking for the performance gain. With that much graphics power on tap cpu speed is probably the most important thing to help feed the beasts which will be covered with the multiplier imo.
 
Upvote 0 Downvote
cdrkf

cdrkf

Judicious
Mar 18, 2013
3,148
425
36,240


As you've got 1600 mhz ram, just change the memory frequency to that.

Then increase the CPU ratio to 22 and try it out- hopefully you can do a small overclock like that without touching the voltages. I don't think you'll need to touch the 'AI Overclock' tools at this point.
 
Upvote 0 Downvote
andlaw

andlaw

Reputable
Mar 17, 2014
19
0
4,510


Agreed! I just went ahead and changed the memory frequency to 1600 and the CPU ratio to 22 giving me 4.4ghz, which is what i wanted (running stock voltage) so its all good now, thanks for the help!

http://

 
Upvote 0 Downvote
You must log in or register to reply here.

TRENDING THREADS

Latest posts

Moderators online

Share this page

COMPANY
RESOURCES
FOLLOW
Top Bottom