I am using two Asus R9 280X crads for mining and if i use some specific setting my display drivers crash after that hash rate suddenly drops to 200kh/s
DetailsCard Model:- Asus R9 280X DirectCU II
Driver Packaging Version:- 13.251-131206a-166389C-ATI
Catalyst Version:-13.12
Operating Syatem:- Windows 8.1 64bit
Some extra information
If i use the following settings it is working without any display drivers crash but i am getting
700kh/s per card
-I 13 -g 2 -w 256 --thread-concurrency 8192
If i use the following setting display drivers are crashing after 10-15min but that time i am getting
760 kh/s-I 13 -g 2 --thread-concurrency 8191 --lookup-gap 0 --gpu-engine 1100 --gpu-memclock 1500
Can you please let me know how to get best hash rate without crashing display drivers.