I finally got it all working and overclocked. I'm getting 4150cpm with these settings on stock volts. This set of script will overclock your 290/or 290x.

The first line is the core clock, memory clock, powerlevel, and powertune I believe. The max was 2 on the last number. I tried that but a 1 worked better for me so I stuck with that. If I'm doing something that will blow up my card, someone let me know. Temps are under 50c on core all the time and the VRM sinks are barely warm to the touch. When I was on Windows my VRM's were under 50c on VRM1 and under 40 on VRM2, so I should be good.

Here's my OC config if someone wants to try it on theirs:

aticonfig --adapter=1 --od-setclocks=1110,1415,150,1



aticonfig --adapter=1 --od-commitclocks
aticonfig --adapter=1 --od-gettemperature
aticonfig --adapter=1 --od-getclocks

this is for Linux of course.

when i copy paste this: aticonfig --adapter=1 --od-setclocks=1110,1415,150,1   and i am getting:
ERROR - Set clocks failed for Adapter 1 - AMD Radeon R9 290 Series
        Please check that input values were valid

Quote from: nazo on February 25, 2014, 07:49:58 pm

can anybody tell me:Whats the best safe memory gpu and core speed for r290?

Having only reference cards (2x r9 290 from sapphire and gigabyte), I can tell on my side:

- gpu clock: 1125
- mem clock: 1300 (but 1270 seems more stable)
- undervolt: -44mV in MSI AB
- fan speed: 63% (ambient room temp around 20-21 degres Celcius) to maintain temp of the cards around 63 degres celcius

A bit loud but works well xD

Quote from: nazo on February 25, 2014, 07:49:58 pm

can anybody tell me:Whats the best safe memory gpu and core speed for r290?

There is no clear-cut answer to that as it all depends on your GPU(s). Literarlly,
even between same make/brand/model the ASICs can very. Also, make sure you
have the powersupply(s) to handle the increase as jumping up clocks a little makes
BIG differences in power draw... which is why it's smart to under-volt but then again
if you're under linux (like myself) then the capability doesn't quite exist..

Having said that, my MSI R9 290 Gaming GPUs are over clocked to 1050Mhz/1350Mhz
with PowerTune @ 20% and I keep the fans on constant 85%. The rig run stable though
gets a little toasty with temp ranges from 74C to 81C. It would have been worse had I not
taken off the factory thermal grease and replaced with mucho better grease. Any clocks past
that I found to be unstable given my make/brand/model of GPU.

LAST IMPORTANT NOTE : I run clpts at those clocks. If you try those clocks with cgminer for
other scrypt mining, you better have 350W+ for each card. NaN's clpts is very efficient and
doesn't run as hot as cgminer's less efficient algo. Good luck!

i am currently getting around 3.9k cpm with 1100/1500 and 4k cpm with 1100/1700cpm with stock voltages fans %45 , cards never passes 73c  @linux. 2 cards +whole rig uses 570-580w from the wall.Is that good?

if i can manage to flash my r290 to r290x .Am i going to get 4500 cpm with this miner?Getting around 3900 atm