Post
Topic
Board Mining (Altcoins)
Re: Claymore's ZCash AMD GPU Miner v9.1
by
Relaqs
on 13/12/2016, 13:49:05 UTC
Hi, need some help. i like to undervolt my AMD gpu 's+ best settings for zec mining. gpu's saphire 280x  7970, 7950. (not all hynix), Asrock 970 extreme4, 8gb memory. using claymore's zec miner. mining 280/7970 185 sol, 7950 170 sol. faster is possible. too much watt...):  test on win7, win 8.1, win 10, what is best?  (win 7 max 4 gpu, more sol)

Best  easy option?. 1. Custom bios? 2. Hacked Modified Memory Strap  3. overclocking tools 4. claymore's -mclock -cclock setting.
what to do, not to do. for newbie   Thx appreciate your help!

1. New bios/ Custom bios created by other zec miners)
https://www.techpowerup.com/rbe/
https://www.techpowerup.com/vgabios/
https://www.techpowerup.com/vgabios/124572/ati-hd7950-3072-120706   etc

2. Hacked Modified Memory Strap BIOS Database for ZEC MINING
https://bitcointalk.org/index.php?topic=1676474.0;all
http://www.overclock.net/t/1554360/tahiti-memory-timings-patch-for-hynix-vram

3. Overclocking tools
http://www.overclock.net/a/getting-started-with-radeon-hd-7970-overclocking
https://forums.anandtech.com/threads/how-to-enable-core-voltage-control-on-amd-cards.2262996/
http://www.overclock.net/t/1609782/watttool-a-simple-tool-that-combines-overclocking-with-vrm-monitoring-tweaking-for-rx-400-series
Setting??:
gpu 1070
mem 1500
vddc 1.094

4. Claymore's: -mclock 1900 -cclock 1300 setting
1150/1450  -mclock  1200 -cclock  1500 ?
Best clock settings for:
Saphire r9 280x 1500/ 1150 ?
Saphire hd 7970 ?
Saphire hd 7950  ?
Bat.file
GPU_FORCE_64BIT_PTR 0
GPU_MAX_HEAP_SIZE 100
GPU_USE_SYNC_OBJECTS 1
GPU_MAX_ALLOC_PERCENT 100
GPU_SINGLE_ALLOC_PERCENT 100
ZecMiner64.exe -zpool pool -zwal wallet.name -zpsw x -i 4 -mclock 1900 -cclock 1300