Re: 7970 MAXIMUM KH/S ONLY 600???? *****1000 DOGECOIN REWARD****
use sgminer 4.0.0
i13
lookup gap 2
tc 8192
powertune 20
engine clock at stock
mem clock at stock
1 find better tc your card start. (multiple of 2048)
2 find high mem your card work (1500 often is a good deal, but card can work over 1800)
3 find high engine your card work (start about 60% of mem value and add 5 per time, good deal are engine = 0.70*memclock)
4 set intensity.
sgminer, works better than cgminer, it is based on cgminer but fixed for only script minig.
only this, can improve your hashrate, after start you only have to find your best setting for best performance in hashrate or in hs/W (if power is not cheap).
if you can, post your batfile and results.
i13
lookup gap 2
tc 8192
powertune 20
engine clock at stock
mem clock at stock
1 find better tc your card start. (multiple of 2048)
2 find high mem your card work (1500 often is a good deal, but card can work over 1800)
3 find high engine your card work (start about 60% of mem value and add 5 per time, good deal are engine = 0.70*memclock)
4 set intensity.
sgminer, works better than cgminer, it is based on cgminer but fixed for only script minig.
only this, can improve your hashrate, after start you only have to find your best setting for best performance in hashrate or in hs/W (if power is not cheap).
if you can, post your batfile and results.
tried sgminer 4.0, gives the same exact performance as cgminer with my setup. With a TC of 8192 im able to push the mem clock to 1500 stable. and engine clock to 1125, I havent found any 'sweet spots' when overclocking (5mhz increments). increasing the intensity over 13 results in lower khs and HW errors. Increasing the TC above 8192 lowers my khs until i hit a TC of 20400
with a TC of 8192, 1500mem and 1125 gpu im getting 595khs, (all other settings are same as in first post)
How are you determining your thread concurrency? From my experience, higher concurrency is not better for these cards. Try removing the concurrency line from your .conf file, deleting your bat file and seeing what it defaults to. That will give you a good starting point for where you should be.
Your clock speeds need some tweaking. Your core clock is a bit high and your mem clock is a bit low. Try something like 1040 core clock and 1500 mem clock and see where that gets you. These cards can be massively overclocked with few hardware errors but they do get hot so make sure your ventilation is good.
Try it with:
core clock - 1040
mem clock - 1500
intensity - 13
gpu threads - 2
thread concurrency - 8192
everything else the same as you have currently and report back.
Your clock speeds need some tweaking. Your core clock is a bit high and your mem clock is a bit low. Try something like 1040 core clock and 1500 mem clock and see where that gets you. These cards can be massively overclocked with few hardware errors but they do get hot so make sure your ventilation is good.
Try it with:
core clock - 1040
mem clock - 1500
intensity - 13
gpu threads - 2
thread concurrency - 8192
everything else the same as you have currently and report back.
I tried your settings, im getting around 550khs with an intensity of 14, I 13 is around the 450 khs. (first time i have ever seen an increase in khs with an intensity above 13) I 15 gives HW errors