Claymore's Dual Ethereum AMD+NVIDIA GPU Miner v15.0 (Windows/Linux)

[gdaniel]

Hey guys, I faced an interesting and annoying problem.

I have a 6 RX570 rig (5 samsung 1 hynix+elpida)

I successfully managed to get 29.5MH/s 1100/2000@838mV.

First minor problem, I couldn’t lower the voltage below 838mV nomatter if I set it to 800, it stuck on 838 or higher.

But my main question is, I tried to increase the memory clocks, I set them to 2100 and only the card's (which one is connected to a display) hashrate increased to +31MH/s, all rest of the cards Hash did not changed. In afterburner I seen the clocks were applied to all cards, tried Cryptonight algo and the OC worked there so it shouldn’t the cards.

I tried to increase voltage, Core clock, powerlimit, different versions of Claymore, different OC apps (Claymore too) nothing helped. I restarted the pc, the miner, used the numbers to disable the cards nothing.

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[Teress]

I am running from IGPus so Windows can't take my mining GPUs memory. I have on each card 510MB free, so how is it possible it can't mine ETC.

It's just being mean.

Look back a couple pages for some hints that I already gave.

Basic one is that many programs hook VRAM and run on a GPU if they can. Check the box in the nVidia driver to show the GPU app helper in the system tray and make sure things like Dropbox, WinZip and Firefox are not using some of the GPU memory. They all will, and there are numerous other programs that do. Logitech SetPoint, etc

As I said I am running from iGPU, so no program is using mining GPUs VRAM. I have no Dropbox, Firefox, OneDrive etc. installed. My system is clean as it could be. Only mining programs are using mining GPUs, so there is no reason miner could not mine ETC.

[Squintz]

I've been testing this and miner is Rock solid. Good job buddy. Now if only there we profitable coins on the new algos

[kgminer]

Dear Miners,

I am facing the following errors on V11. This is like once a day error and then miner automatically restarts. Any advise would be helpful

17:11:49:167   23e8   watchdog - thread 13 (gpu6), hb time 15
17:11:50:933   1538   GPU 3, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:50:933   1538   GPU 3, GpuMiner kx failed 1
17:11:50:933   1538   Set global fail flag, failed GPU3
17:11:50:948   1538   GPU 3 failed
17:11:50:948   384   GPU 4, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:50:948   384   GPU 4, GpuMiner kx failed 1
17:11:50:948   384   Set global fail flag, failed GPU4
17:11:50:964   384   GPU 4 failed
17:11:50:964   1628   GPU 5, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:50:964   1628   GPU 5, GpuMiner kx failed 1
17:11:50:980   1628   Set global fail flag, failed GPU5
17:11:50:980   1660   GPU 1, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:50:980   1660   GPU 1, GpuMiner kx failed 1
17:11:50:995   1660   Set global fail flag, failed GPU1
17:11:50:995   1660   GPU 1 failed
17:11:50:995   1554   GPU 6, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:50:995   1554   GPU 6, GpuMiner kx failed 1
17:11:51:011   1554   Set global fail flag, failed GPU6
17:11:51:011   1a68   GPU 5, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:51:011   1a68   GPU 5, GpuMiner kx failed 1
17:11:51:027   1a68   Set global fail flag, failed GPU5
17:11:51:027   1a68   GPU 5 failed
17:11:51:027   a18   GPU 1, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:51:027   a18   GPU 1, GpuMiner kx failed 1
17:11:51:042   a18   Set global fail flag, failed GPU1
17:11:51:042   a18   GPU 1 failed
17:11:51:042   1554   GPU 6 failed
17:11:51:042   1124   GPU 3, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:51:058   1124   GPU 3, GpuMiner kx failed 1
17:11:51:058   12b4   GPU 0, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:51:058   12b4   GPU 0, GpuMiner kx failed 1
17:11:51:058   1628   GPU 5 failed
17:11:51:073   2188   GPU 6, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:51:073   2188   GPU 6, GpuMiner kx failed 1
17:11:51:058   1124   Set global fail flag, failed GPU3
17:11:51:073   cc4   GPU 2, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:51:089   cc4   GPU 2, GpuMiner kx failed 1
17:11:51:089   f6c   GPU 4, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:51:073   2188   Set global fail flag, failed GPU6
17:11:51:089   2188   GPU 6 failed
17:11:51:058   12b4   Set global fail flag, failed GPU0
17:11:51:105   12b4   GPU 0 failed
17:11:51:105   f6c   GPU 4, GpuMiner kx failed 1
17:11:51:105   1124   GPU 3 failed
17:11:51:089   cc4   Set global fail flag, failed GPU2
17:11:51:120   cc4   GPU 2 failed
17:11:51:105   f6c   Set global fail flag, failed GPU4
17:11:51:120   f6c   GPU 4 failed
17:11:51:136   221c   GPU 2, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:51:136   221c   GPU 2, GpuMiner kx failed 1
17:11:51:136   9e0   GPU 0, GpuMiner cu_k04 failed 4, unspecified launch failure
17:11:51:136   9e0   GPU 0, GpuMiner kx failed 1
17:11:51:136   221c   Set global fail flag, failed GPU2
17:11:51:152   221c   GPU 2 failed
17:11:51:152   9e0   Set global fail flag, failed GPU0
17:11:51:152   9e0   GPU 0 failed
17:11:51:417   2330   ETH: checking pool connection...
17:11:51:417   2330   send: {"worker": "", "jsonrpc": "2.0", "params": [], "id": 3, "method": "eth_getWork"}

17:11:51:699   2330   got 243 bytes
17:11:51:699   2330   buf: {"jsonrpc":"2.0","id":0,"result":["0x50ab425957cf9b813408391315ddc497a119117849c6c871f46612f1e94a21a7","0xf4c702c8373b1a6467eb30d4640b62436e55a6c8c9e2f486197f6e0b2dd72f5f","0x000000006df37f675ef6eadf5ab9a2072d44268d97df837e6748956e5c6c2116"]}

17:11:51:699   2330   parse packet: 242
17:11:51:699   2330   ETH: job is the same
17:11:51:714   2330   new buf size: 0
17:11:51:933   2330   got 243 bytes
17:11:51:933   2330   buf: {"jsonrpc":"2.0","id":0,"result":["0xa10a41eda7d98314a31f93052ca790789e0c48270f27c89045e3c56c0ab45880","0xf4c702c8373b1a6467eb30d4640b62436e55a6c8c9e2f486197f6e0b2dd72f5f","0x000000006df37f675ef6eadf5ab9a2072d44268d97df837e6748956e5c6c2116"]}

17:11:51:933   2330   parse packet: 242
17:11:51:933   2330   ETH: job changed
17:11:51:949   2330   new buf size: 0
17:11:51:949   2330   ETH: 02/15/18-17:11:51 - New job from eth-eu1.nanopool.org:9999
17:11:51:949   2330   target: 0x000000006df37f67 (diff: 10000MH), epoch 169(2.32GB)
17:11:51:949   2330   ETH - Total Speed: 0.000 Mh/s, Total Shares: 1139, Rejected: 0, Time: 20:25
17:11:51:964   2330   ETH: GPU0 0.000 Mh/s, GPU1 0.000 Mh/s, GPU2 0.000 Mh/s, GPU3 0.000 Mh/s, GPU4 0.000 Mh/s, GPU5 0.000 Mh/s, GPU6 0.000 Mh/s
17:11:51:964   2330    B2S - Total Speed: 0.000 Mh/s, Total Shares: 3327, Rejected: 29
17:11:51:964   2330    B2S: GPU0 0.000 Mh/s, GPU1 0.000 Mh/s, GPU2 0.000 Mh/s, GPU3 0.000 Mh/s, GPU4 0.000 Mh/s, GPU5 0.000 Mh/s, GPU6 0.000 Mh/s
17:11:54:183   200c   got 412 bytes
17:11:54:183   200c   buf: {"id":null,"method":"mining.notify","params":["297","530acd45f3a08a310cdc37ba8a85ec6907391b25a059161fb2676ac1c8355810","020000008808855a010000000000000000000000000000000000000000000000000000000000000 000ffffffff1f03fdb51c062f503253482f048908855a08","7969696d7000000000000100b6fb5c00000000232103950acbeef6d8baa375ad0cdcdf8ef0828a0 1487a9533d8342446388a6d5ebb91ac00000000",[],"00002004","1a035e57","5a850888",true]}

17:11:54:183   200c   parse packet: 411
17:11:54:183   200c   new buf size: 0
17:11:54:183   200c    B2S: 02/15/18-17:11:54 - New job from s.antminepool.com:9008
17:11:54:199   200c   target: 0x0000000005d16e8b (diff: 188GH)
17:11:57:246   2330   send: {"id":6,"jsonrpc":"2.0","method":"eth_submitHashrate","params":["0x0", "0x00000000000000000000000000000000000000000000000000000000533d5085"]}

17:11:59:434   200c   got 412 bytes
17:11:59:434   200c   buf: {"id":null,"method":"mining.notify","params":["298","d3a98a16f0e062550cd0b8b81d47223b54b758031014ba11d5779dde6d17c16f","020000008d08855a010000000000000000000000000000000000000000000000000000000000000 000ffffffff1f03feb51c062f503253482f048e08855a08","7969696d7000000000000100b6fb5c00000000232103950acbeef6d8baa375ad0cdcdf8ef0828a0 1487a9533d8342446388a6d5ebb91ac00000000",[],"00002004","1a035e57","5a85088d",true]}

17:11:59:434   200c   parse packet: 411
17:11:59:434   200c   new buf size: 0
17:11:59:434   200c    B2S: 02/15/18-17:11:59 - New job from s.antminepool.com:9008
17:11:59:449   200c   target: 0x0000000005d16e8b (diff: 188GH)
17:12:01:434   2330   ETH: checking pool connection...
17:12:01:434   2330   send: {"worker": "", "jsonrpc": "2.0", "params": [], "id": 3, "method": "eth_getWork"}

17:12:01:450   758   GPU0 t=57C fan=55%, GPU1 t=56C fan=55%, GPU2 t=52C fan=55%, GPU3 t=51C fan=55%, GPU4 t=55C fan=55%, GPU5 t=58C fan=55%, GPU6 t=58C fan=55%
17:12:01:715   2330   got 243 bytes
17:12:01:715   2330   buf: {"jsonrpc":"2.0","id":0,"result":["0xa10a41eda7d98314a31f93052ca790789e0c48270f27c89045e3c56c0ab45880","0xf4c702c8373b1a6467eb30d4640b62436e55a6c8c9e2f486197f6e0b2dd72f5f","0x000000006df37f675ef6eadf5ab9a2072d44268d97df837e6748956e5c6c2116"]}

17:12:01:715   2330   parse packet: 242
17:12:01:715   2330   ETH: job is the same
17:12:01:731   2330   new buf size: 0
17:12:11:451   2330   ETH: checking pool connection...
17:12:11:451   2330   send: {"worker": "", "jsonrpc": "2.0", "params": [], "id": 3, "method": "eth_getWork"}

17:12:11:748   2330   got 243 bytes
17:12:11:748   2330   buf: {"jsonrpc":"2.0","id":0,"result":["0xa10a41eda7d98314a31f93052ca790789e0c48270f27c89045e3c56c0ab45880","0xf4c702c8373b1a6467eb30d4640b62436e55a6c8c9e2f486197f6e0b2dd72f5f","0x000000006df37f675ef6eadf5ab9a2072d44268d97df837e6748956e5c6c2116"]}

17:12:11:748   2330   parse packet: 242
17:12:11:748   2330   ETH: job is the same
17:12:11:763   2330   new buf size: 0
17:12:17:264   2330   send: {"id":6,"jsonrpc":"2.0","method":"eth_submitHashrate","params":["0x0", "0x00000000000000000000000000000000000000000000000000000000533d5085"]}

17:12:18:780   200c   got 478 bytes
17:12:18:780   200c   buf: {"id":null,"method":"mining.notify","params":["299","67e09a099ba9749d8161e2e30ac136e2ae823b38fe81663a26ff42993fe71b2b","02000000a008855a010000000000000000000000000000000000000000000000000000000000000 000ffffffff1f03ffb51c062f503253482f04a108855a08","7969696d70000000000001a03cfd5c00000000232103950acbeef6d8baa375ad0cdcdf8ef0828a0 1487a9533d8342446388a6d5ebb91ac00000000",["c9f91596a53e154e7be963778b329e7a5dd30b7c8782ceb00283a77783d407a5"],"00002004","1a0304ed","5a8508a0",true]}

17:12:18:795   200c   parse packet: 477
17:12:18:811   200c   new buf size: 0
17:12:18:811   200c    B2S: 02/15/18-17:12:18 - New job from s.antminepool.com:9008
17:12:18:826   200c   target: 0x0000000005d16e8b (diff: 188GH)
17:12:21:483   2330   ETH: checking pool connection...
17:12:21:483   2330   send: {"worker": "", "jsonrpc": "2.0", "params": [], "id": 3, "method": "eth_getWork"}

17:12:21:764   2330   got 243 bytes
17:12:21:764   2330   buf: {"jsonrpc":"2.0","id":0,"result":["0xa10a41eda7d98314a31f93052ca790789e0c48270f27c89045e3c56c0ab45880","0xf4c702c8373b1a6467eb30d4640b62436e55a6c8c9e2f486197f6e0b2dd72f5f","0x000000006df37f675ef6eadf5ab9a2072d44268d97df837e6748956e5c6c2116"]}

17:12:21:764   2330   parse packet: 242
17:12:21:764   2330   ETH: job is the same
17:12:21:764   2330   new buf size: 0
17:12:21:999   23e8   em hbt: 0, dm hbt: 0, fm hbt: 94,
17:12:21:999   23e8   watchdog - thread 0 (gpu0), hb time 31125
17:12:22:014   23e8   watchdog - thread 1 (gpu0), hb time 31234
17:12:22:014   23e8   watchdog - thread 2 (gpu1), hb time 31234
17:12:22:030   23e8   watchdog - thread 3 (gpu1), hb time 31156
17:12:22:030   23e8   watchdog - thread 4 (gpu2), hb time 31188
17:12:22:030   23e8   watchdog - thread 5 (gpu2), hb time 31266
17:12:22:045   23e8   watchdog - thread 6 (gpu3), hb time 31218
17:12:22:045   23e8   watchdog - thread 7 (gpu3), hb time 31296
17:12:22:045   23e8   watchdog - thread 8 (gpu4), hb time 31171
17:12:22:045   23e8   watchdog - thread 9 (gpu4), hb time 31250
17:12:22:061   23e8   watchdog - thread 10 (gpu5), hb time 31187
17:12:22:061   23e8   watchdog - thread 11 (gpu5), hb time 31281
17:12:22:061   23e8   watchdog - thread 12 (gpu6), hb time 31234
17:12:22:061   23e8   watchdog - thread 13 (gpu6), hb time 31141
17:12:22:061   23e8   WATCHDOG: GPU error, you need to restart miner
17:12:25:515   23e8   Restarting OK, exit...

[gdaniel]

Hey guys, I faced an interesting and annoying problem.

I have a 6 RX570 rig (5 samsung 1 hynix+elpida)

I successfully managed to get 29.5MH/s 1100/2000@838mV.

First minor problem, I couldn’t lower the voltage below 838mV nomatter if I set it to 800, it stuck on 838 or higher.

But my main question is, I tried to increase the memory clocks, I set them to 2100 and only the card's (which one is connected to a display) hashrate increased to +31MH/s, all rest of the cards Hash did not changed. In afterburner I seen the clocks were applied to all cards, tried Cryptonight algo and the OC worked there so it shouldn’t the cards.

I tried to increase voltage, Core clock, powerlimit, different versions of Claymore, different OC apps (Claymore too) nothing helped. I restarted the pc, the miner, used the numbers to disable the cards nothing.

What drivers are you running? Latest? Because then Afterburner wont work anyways.

You can overclock trough Claymore or OverdriveNTool.

However in my 12GPU rig i had to fine tune all cards seperately, since not all of them work on the same overclock. Some are @ 2200 and some @ 2020.

I'am using the aug miner drivers not the adrenalin ones. as I said I tried to use different OC apps like OverdriveNtool, Claymore bat file, I use afterburner only to set fan curve and monitor the values.

[Falmant]

Is there a proper pool for XVG?   unimining, zpool - not seem to work properly, amount of mined coins is very low

We need big good XVG pools.

[Teress]

Is there a proper pool for XVG?   unimining, zpool - not seem to work properly, amount of mined coins is very low

We need big good XVG pools.

Yes, we need, but they should not steal our shares, as lot of others do.

[terremoto1998]

hi guys, i have 2 problem:
1) i set my exodus eth wallet  in my bat file but he wont work. i got some total share but i cant see my wallet on nanopool site and i dont see any money on my exodus wallet.
2) i have got a rx 480 nitro+ but when i mining i got only 18 mh/s. if i do benchmark test i can do 23 mh/s. i know, i dont have modded bios but some people can mine more then 18 mh/s with stock bios.
    i tried play with dcri and the best settings is: -dcri 120 (18 mh/s)        thank you so much at all

this is my settings:
setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100

EthDcrMiner64.exe -epool eth-eu1.nanopool.org:9999 -ewal 0x6eC1A07Ce71e1585B1CD39B40C226622cAa39bc5.(my name)/(my email) -epsw x -mode 1 -ftime 10 -dcri 120

You will not see any ethereum in your Exodus wallet until you have mined a minimum of 0.2 ETH as minimum pool payout is 0.2 ETH. With a single RX480 this is going to take about 4 months. You can check you expected payouts using this calculator http://whattomine.com/coins/151-eth-ethash?utf8=%E2%9C%93&hr=20&p=0&fee=1&cost=0&hcost=0.0&commit=Calculate

I suggest you mine something like a Cryptonight coin, such as Electroneum, as you will at least see something in your wallet every day.
https://bitcointalk.org/index.php?topic=638915.0

ohhh perfect, thank you so much

[glingglo]

I have some problem

GpuMiner cu_k04 failed 4, unspecified launch failure
   384   GPU 4, GpuMiner kx failed 1

After that Claymore restart but sometimes my rig freeze..
Never had that problem with previous version.

Anyone can help me?

[biospb]

Hi!

I have very strange problem with DUAL mining mode on RX470/8gb cards rigs. ANY second coin on ANY pool gives:
Job timeout, disconnect, retry in 20 sec...
The exactly same settings on rigs with 570/4gb and Nvidia cards work fine. Ethereum works fine everywhere.
in debug log for second coin only: "Stratum - Connected" and 3 sec later "checkread timeout"

all rigs have the same software & hardware except cards.

[ccminer.net]

Hi!

I have very strange problem with DUAL mining mode on RX470/8gb cards rigs. ANY second coin on ANY pool gives:
Job timeout, disconnect, retry in 20 sec...
The exactly same settings on rigs with 570/4gb and Nvidia cards work fine. Ethereum works fine everywhere.
in debug log for second coin only: "Stratum - Connected" and 3 sec later "checkread timeout"

all rigs have the same software & hardware except cards.

Did you specify the "dcoin" in the config file?

[biospb]

Did you specify the "dcoin" in the config file?

yes. config is working on all other cards except rigs with 470/8gb.
tried SIA, DCR, PASC, B2S...

[Dbatch]

Some guys are just mean here.. I know i'm a noob on this forums but cmon we gotta help each other out.. I asked if I should mod my bios and not one person answered me. Anyways I went ahead and did it glad I did and don't know why it took me a year lol.. most cards get me around 29-30 even one card does 31mhs... Now one set of cards gets to 31mhs but with tons of errors.. so i lowered clocks. overnight each card got around 30 errors is this bad? If I clock those cards lower I get MHS lowered then before modded.. Should I try another bios on those? Also if somebody could point me to a good modded vbios repository would be awesome thanks.

[wOvAN]

Is there a proper pool for XVG?   unimining, zpool - not seem to work properly, amount of mined coins is very low

We need big good XVG pools.

Yes, we need, but they should not steal our shares, as lot of others do.

welcome to our fellow russians pool http://xvgminingclub.info/
supported by miningclub.info forum

cпacибo тoвapищ, пoпpoбyю.

[Teress]

Some guys are just mean here.. I know i'm a noob on this forums but cmon we gotta help each other out.. I asked if I should mod my bios and not one person answered me. Anyways I went ahead and did it glad I did and don't know why it took me a year lol.. most cards get me around 29-30 even one card does 31mhs... Now one set of cards gets to 31mhs but with tons of errors.. so i lowered clocks. overnight each card got around 30 errors is this bad? If I clock those cards lower I get MHS lowered then before modded.. Should I try another bios on those? Also if somebody could point me to a good modded vbios repository would be awesome thanks.

It is always good if you prepare your own bios for each card (don't forget to save your original bios). Nobody in this forum will teach you how to make your own bios, it is whole internet about it. But basically I don't except any errors on my cards. Some people say few mem errors a day are not a problem. I say, when card is giving even one error, it it not running well and you are meybe missing some shares, but it is just my opinion.

[Lamsterpaul]

what is this in my log ?
after this my Miner crashed



15:53:30:964   828   checked ETH share on CPU, spent 3ms
15:53:30:964   828   ETH: put share nonce af7ca3f01b3b757a
15:53:30:964   828   ETH round found 1 shares

[Dbatch]

Some guys are just mean here.. I know i'm a noob on this forums but cmon we gotta help each other out.. I asked if I should mod my bios and not one person answered me. Anyways I went ahead and did it glad I did and don't know why it took me a year lol.. most cards get me around 29-30 even one card does 31mhs... Now one set of cards gets to 31mhs but with tons of errors.. so i lowered clocks. overnight each card got around 30 errors is this bad? If I clock those cards lower I get MHS lowered then before modded.. Should I try another bios on those? Also if somebody could point me to a good modded vbios repository would be awesome thanks.

It is always good if you prepare your own bios for each card (don't forget to save your original bios). Nobody in this forum will teach you how to make your own bios, it is whole internet about it. But basically I don't except any errors on my cards. Some people say few mem errors a day are not a problem. I say, when card is giving even one error, it it not running well and you are meybe missing some shares, but it is just my opinion.

Thank you .. I will mod that card myself then.. Internet helped lol using polaris bios editor and copying straps.. ...

[argai666]

Some guys are just mean here.. I know i'm a noob on this forums but cmon we gotta help each other out.. I asked if I should mod my bios and not one person answered me. Anyways I went ahead and did it glad I did and don't know why it took me a year lol.. most cards get me around 29-30 even one card does 31mhs... Now one set of cards gets to 31mhs but with tons of errors.. so i lowered clocks. overnight each card got around 30 errors is this bad? If I clock those cards lower I get MHS lowered then before modded.. Should I try another bios on those? Also if somebody could point me to a good modded vbios repository would be awesome thanks.

For my rig I am having a couple thousand errors in a day. I have 6 Sapphire Nitro+ RX580 total hash 185 Mh for solo mining with 800Watt from wall. System never crashes up to 48 hours. I always restarted system before that time, maybe it could run even further. So i think you can overclock your card a little bit further. Use HWinfo64, overclock each card seperately and if there are no huge number of error in couple minutes you can use that values safely.  

[Teress]

Some guys are just mean here.. I know i'm a noob on this forums but cmon we gotta help each other out.. I asked if I should mod my bios and not one person answered me. Anyways I went ahead and did it glad I did and don't know why it took me a year lol.. most cards get me around 29-30 even one card does 31mhs... Now one set of cards gets to 31mhs but with tons of errors.. so i lowered clocks. overnight each card got around 30 errors is this bad? If I clock those cards lower I get MHS lowered then before modded.. Should I try another bios on those? Also if somebody could point me to a good modded vbios repository would be awesome thanks.

For my rig I am having a couple thousand errors in a day. I have 6 Sapphire Nitro+ RX580 total hash 185 Mh for solo mining with 800Watt from wall. System never crashes up to 48 hours. I always restarted system before that time, maybe it could run even further. So i think you can overclock your card a little bit further. Use HWinfo64, overclock each card seperately and if there are no huge number of error in couple minutes you can use that values safely.  

Your system does not need to crash. It can look stable. But you have no idea how much shares you've lost due tu your too overclocked gpus/mem straps. Memory errors indicates, the card is not running comfortable in 100% condition. So you could definatelly have more shares with cards without mem errors. In early days I was alsi running my cards like that and I had no clew what memory errors are. But one day I learned everything needed, optimized my cards, my cards showed lower hashrate, but my overall accepted efective hashrate increased. And that's the point.

[Dbatch]

Some guys are just mean here.. I know i'm a noob on this forums but cmon we gotta help each other out.. I asked if I should mod my bios and not one person answered me. Anyways I went ahead and did it glad I did and don't know why it took me a year lol.. most cards get me around 29-30 even one card does 31mhs... Now one set of cards gets to 31mhs but with tons of errors.. so i lowered clocks. overnight each card got around 30 errors is this bad? If I clock those cards lower I get MHS lowered then before modded.. Should I try another bios on those? Also if somebody could point me to a good modded vbios repository would be awesome thanks.

For my rig I am having a couple thousand errors in a day. I have 6 Sapphire Nitro+ RX580 total hash 185 Mh for solo mining with 800Watt from wall. System never crashes up to 48 hours. I always restarted system before that time, maybe it could run even further. So i think you can overclock your card a little bit further. Use HWinfo64, overclock each card seperately and if there are no huge number of error in couple minutes you can use that values safely.  

Thanks.. Why are you solo mining with 6 cards? Thought it's better to do a pool? I have 9 cards and one more on the way.. I'm I doing it wrong? Been mining for about a year now..