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Author Topic: 1080Ti Specific - Best mining option  (Read 221687 times)
santanafpsj
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August 21, 2017, 10:56:18 PM
 #1441

Well I didn't enabled anything in bios before windows setup but I've made bootable usb with Rufus, GPT partitioning for UEFI systems, so I assumed that it'll for sure be UEFI.
Only thing I've changed in bios was 4g Enable, because it was disabled by default, and 3 of my cards was with yellow triangle in device manager, switching 4G solved it, but during some boots not all cards are again found by OS, and they appear as Unknown VGA Device on Unknown Device's list.
Really don't know what I've messed up. Maybe PSU draw offset is too low? It's 1600W, even when counting efficiency on 100% load it should be minimum 1350W (85%).  Dont know how much Zotac and Asus draws at 75% tdp but MSI was ~210w on skein/ea so I've just distributed them 2 on one psu with mobo and cpu, and 3 on other alone.

I have the same MB, MSI Z270A-PRO, now I have 4 GPU's and another is coming from mail on next week, maybe I'll face the same problem.
Please share with us the solution has soon as possible guys, Thanks.

MSI Z270A-PRO
I7 7700
16Gb RAM
3 EVGA 1080TI Black SC
1 MSI 1080TI AERO

With this setup can I use 12 GPU with riser hub??

Riser HUB - https://pt.aliexpress.com/store/product/PCI-e-Express-1X-to-3-Port-1X-Switch-Multiplier-HUB-Riser-Card-USB-Cable/1627923_32775884960.html
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Temporel
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August 21, 2017, 11:04:28 PM
 #1442

Well I didn't enabled anything in bios before windows setup but I've made bootable usb with Rufus, GPT partitioning for UEFI systems, so I assumed that it'll for sure be UEFI.
Only thing I've changed in bios was 4g Enable, because it was disabled by default, and 3 of my cards was with yellow triangle in device manager, switching 4G solved it, but during some boots not all cards are again found by OS, and they appear as Unknown VGA Device on Unknown Device's list.
Really don't know what I've messed up. Maybe PSU draw offset is too low? It's 1600W, even when counting efficiency on 100% load it should be minimum 1350W (85%).  Dont know how much Zotac and Asus draws at 75% tdp but MSI was ~210w on skein/ea so I've just distributed them 2 on one psu with mobo and cpu, and 3 on other alone.

I have the same MB, MSI Z270A-PRO, now I have 4 GPU's and another is coming from mail on next week, maybe I'll face the same problem.
Please share with us the solution has soon as possible guys, Thanks.



if you installed Windows 10 with the OS selection in the BIOS set to Windows 7, you will need to reinstall Windows. If it is set to Windows 8/8.1 (UEFI) then you are fine.

And no, you cant just change the selection (it wont even boot).
dark_city
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August 22, 2017, 09:41:19 AM
 #1443

Well I didn't enabled anything in bios before windows setup but I've made bootable usb with Rufus, GPT partitioning for UEFI systems, so I assumed that it'll for sure be UEFI.
Only thing I've changed in bios was 4g Enable, because it was disabled by default, and 3 of my cards was with yellow triangle in device manager, switching 4G solved it, but during some boots not all cards are again found by OS, and they appear as Unknown VGA Device on Unknown Device's list.
Really don't know what I've messed up. Maybe PSU draw offset is too low? It's 1600W, even when counting efficiency on 100% load it should be minimum 1350W (85%).  Dont know how much Zotac and Asus draws at 75% tdp but MSI was ~210w on skein/ea so I've just distributed them 2 on one psu with mobo and cpu, and 3 on other alone.
Worth checking if motherboard chipset drivers are up-to-date or any system related driver in that matter. Manufacturer website should provide the right files for download.
Apply UEFI (BIOS) update, if available.

Heuristic for finding the minimum of an objective.
umine
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August 22, 2017, 10:37:03 AM
 #1444

Someone got 5+gpu rig running on MSI Z270A-PRO ?
I've got problem today, after adding 3 more cards to rig (from 2 to 5).
Everything seems ok, mobo see all cards with 4G enabled, but...
When I start ccminer, everything is good until miner thread are enabled.
Then after few sec one RANDOM card (of three connected to PSU just for cards), goes WOOF! (100% fan) and BSOD TDR Error happens.
I've checked every connection, checked cards, risers, psu's.
Everything is working great when there are only 2 cards connected... I'm running cards with 75% tdp to keep them and psu's cool...
On one PSU (750w b+) i've got 2x MSI Gaming X (working good) on another (850w b+) I've got 1xMSI Gaming X, 1xZotac Amp! Extreme Core and 1x Asus ROG Strix Gaming.
Mining with any configuration with 2 cards works. Sometimes Zotac wont start at boot (like driver problems it's red led, then after booting into Windows it starts flashing blue). I've recent Nvidia drivers installed, clean windows 10 UEFI installation.
Any advices what went wrong? Sad


Describe your config completely: Hardware, Software. According to your description it seems power lack. What algo you try with ccminer? if it is timetravel/skunkhash the power consumption is very unstable (from 50% to 100% or even more)

Leass
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August 22, 2017, 11:59:25 AM
 #1445

Hardware:
MSI Z270A-Pro
4 GB Ram
2TB HDD
G4400 CPU
1x 750W B+ PSU
1x 850 W B+ EVGA PSU
3x MSI  Gaming X
1x Zotac Amp Extreme Core
1x Asus ROG Strix
5x Powered Risers
Software:
-Clean, activated Win10
-All updates from Win update
-Latest drivers form MSI website (chipset)
-Latest Nvidia drivers
-Latest ccminer from Tpruvot
- MSI Afterburner (to limit cards powerdraw)
The algo I was trying was bitcore and skein. I've limited TDP to 75% in MA, so I've assumed that it'll have enough power.
Do someone have Zotac and can share how much these beast draw at 75% tdp?
My config for psu's.
Weaker PSU got two cards (MSI), their risers, mobo, cpu and hdd. It's working fine (that config was working before).
Now I want another psu (850W) to power 3 cards and their risers.
And it's kind working. But not for mining Wink

moonstruck
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August 22, 2017, 01:03:28 PM
 #1446

Hardware:
MSI Z270A-Pro
4 GB Ram
2TB HDD
G4400 CPU
1x 750W B+ PSU
1x 850 W B+ EVGA PSU
3x MSI  Gaming X
1x Zotac Amp Extreme Core
1x Asus ROG Strix
5x Powered Risers
Software:
-Clean, activated Win10
-All updates from Win update
-Latest drivers form MSI website (chipset)
-Latest Nvidia drivers
-Latest ccminer from Tpruvot
- MSI Afterburner (to limit cards powerdraw)
The algo I was trying was bitcore and skein. I've limited TDP to 75% in MA, so I've assumed that it'll have enough power.
Do someone have Zotac and can share how much these beast draw at 75% tdp?
My config for psu's.
Weaker PSU got two cards (MSI), their risers, mobo, cpu and hdd. It's working fine (that config was working before).
Now I want another psu (850W) to power 3 cards and their risers.
And it's kind working. But not for mining Wink

Try lowering tdp to minimum of 50% TDP with low intensity. And 850W won't cut it for 3 1080ti's, even at 75% tdp.
But this is quite off-topic, this topic is for best mining options for 1080ti's, not troubleshooting.

I'd suggest making a new thread for further assistance.
hyet24
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August 22, 2017, 01:26:22 PM
 #1447

850w is good for two 1080 ti and one 1070 at 80% which is 520w (based on the 250w TDP from standard 1080ti and 150w from standard 1070)

850w for 24/7 usage is 680w so you have room of 130w for CPU, storage and ram.
Leass
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August 22, 2017, 01:58:50 PM
 #1448

850w is good for two 1080 ti and one 1070 at 80% which is 520w (based on the 250w TDP from standard 1080ti and 150w from standard 1070)

850w for 24/7 usage is 680w so you have room of 130w for CPU, storage and ram.
That's what I think but somehow it don't Cheesy
So to stop offtopic I'll share some of my mining strategies with 1080ti:
1. Straight Coin mining:
1080ti is a beast in certain algos and petty player in others (Ethash)
Best bets so far with 1080ti based on overall performance are (in my subjective order): Skein, Blake2s, Lyra2v2, Skunk, Nist5, Tribus, Bitcore, Equihash.
You choose one coin from the algorithm and mine it. Pretty simple, You can also use profitswitch miners to mine Your coin on yiimp pools.
Then You are selling aroung 80% of your coins at 1-5 days interval based on market (It's important to choose coin that You believe in so You won't panic at dumps).
The coins I'd recommend are : DGB, Verge, Bitcore, Solaris, Zen/Hush (It's my personal list so don't take it as best option).
That way (by mining straight DGB on blockfactory) I managed to get 13% of my overall investment in month.
20% of coins mined builds pretty solid base for future price rise.
This method flaw is that sometimes (on dumps) You can't cashout immediately.
2. Profit-Switching Mining with to-BTC conversion:
Taking list of algos from previous method We can set up profit switching software to mine "most profitable" (based on network diff/pool hashrate) option and convert any coin mined straight into BTC.
That works on pools like Zpool and Hashrefinery (You can also use it with right conf file to mine on official Yiimp pool but without conversion).
This method let You cashout in fact less often than method 1 (especially if You are mining on Zpool), because Your coins need to be traded to BTC on exchange so process can take up to 24h untill Your earnings are credited.
It could fluctuate a lot depending on current market situation and You dont have any control over coins You mined.
BUT it is almost set and forget build so for someone it could make a job.
Depending on number of Your 1080ti's You could see payments from 4h to once a week ^^
3. How can You squeeze more:
Personally I'd recommend some POS coins to run (but need of remote control over rig implicates some vulnerability for running wallet at same machine), like 808, Bitbean, Orbit, Solaris(yea).
Next if You have free disk space (more than 10 gb) set it for Storj share, it'll bring you few bucks a month, but will add up. For larger disk space (like 1TB+) set some of it for Storj and rest for Burst mining. When Your Storj get full lower Burst file and so on.

NameTaken
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August 22, 2017, 07:50:18 PM
 #1449

850w is good for two 1080 ti and one 1070 at 80% which is 520w (based on the 250w TDP from standard 1080ti and 150w from standard 1070)

850w for 24/7 usage is 680w so you have room of 130w for CPU, storage and ram.
Using a 850W + 860W PSU to power 6 1080 Ti + mobo/risers no problem.
bmartin44
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August 23, 2017, 02:52:25 AM
 #1450

Hardware:
MSI Z270A-Pro
4 GB Ram
2TB HDD
G4400 CPU
1x 750W B+ PSU
1x 850 W B+ EVGA PSU
3x MSI  Gaming X
1x Zotac Amp Extreme Core
1x Asus ROG Strix
5x Powered Risers
Software:
-Clean, activated Win10
-All updates from Win update
-Latest drivers form MSI website (chipset)
-Latest Nvidia drivers
-Latest ccminer from Tpruvot
- MSI Afterburner (to limit cards powerdraw)
The algo I was trying was bitcore and skein. I've limited TDP to 75% in MA, so I've assumed that it'll have enough power.
Do someone have Zotac and can share how much these beast draw at 75% tdp?
My config for psu's.
Weaker PSU got two cards (MSI), their risers, mobo, cpu and hdd. It's working fine (that config was working before).
Now I want another psu (850W) to power 3 cards and their risers.
And it's kind working. But not for mining Wink

From what I know, you should put all your risers connected to the PSU that power your mobo.

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crazydane
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August 23, 2017, 03:34:04 AM
 #1451

MSI Z270A-Pro
G3950 CPU
2x4GB RAM
6xEVGA 1080Ti OC Edition
1xEVGA SuperNova 1200 P2
6x V.007 Risers

Cards synced in Afterburner and set to 65% power, + 150 Core, +600 Memory

Win 10, latest BIOS from MSI, latest driver from nVidia, NiceHash Legacy 1.8.1.1

Been running rock solid since turning it up a couple of weeks ago.  Pulls right around 1,100W at the wall @ 247V.
slackert
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August 23, 2017, 05:23:44 AM
 #1452

I've been using an EVGA 850 G3 to run 3 1080ti's and a 1070itx at 75% for months with no problems. You need at least a gold rated, high quality psu to do this.
tharrison159
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August 23, 2017, 08:34:55 AM
 #1453

Quote
MSI Z270A-Pro
G3950 CPU
2x4GB RAM
6xEVGA 1080Ti OC Edition
1xEVGA SuperNova 1200 P2
6x V.007 Risers

Cards synced in Afterburner and set to 65% power, + 150 Core, +600 Memory

Win 10, latest BIOS from MSI, latest driver from nVidia, NiceHash Legacy 1.8.1.1

Been running rock solid since turning it up a couple of weeks ago.  Pulls right around 1,100W at the wall @ 247V.

How are you running 6x 1080Ti from 1 PSU?

I am using 2 x EVGA P2 1200W to run 6 cards, there's only 6 x VGA/PCI-e cables per PSU so how can 1 PSU power this?

██   DeepO (https://deeponion.org)
hyet24
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August 23, 2017, 11:34:22 AM
 #1454

Quote
MSI Z270A-Pro
G3950 CPU
2x4GB RAM
6xEVGA 1080Ti OC Edition
1xEVGA SuperNova 1200 P2
6x V.007 Risers

Cards synced in Afterburner and set to 65% power, + 150 Core, +600 Memory

Win 10, latest BIOS from MSI, latest driver from nVidia, NiceHash Legacy 1.8.1.1

Been running rock solid since turning it up a couple of weeks ago.  Pulls right around 1,100W at the wall @ 247V.

How are you running 6x 1080Ti from 1 PSU?

I am using 2 x EVGA P2 1200W to run 6 cards, there's only 6 x VGA/PCI-e cables per PSU so how can 1 PSU power this?

That's because its at 65% TDP and he did say he pulling 1100w that is still under 1200w.   It's a risky move to go over 80%.  One of these days the manufacturers will find ways to void warranties.  lol  Sounds bad but I have a feeling.   At the moment they don't have technology to do it.
crazydane
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August 23, 2017, 11:41:51 AM
 #1455

Quote
How are you running 6x 1080Ti from 1 PSU?
I got 4 custom PCIe to 2 x 6+2 cables.



Draw at the wall:

tharrison159
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August 23, 2017, 11:50:20 AM
 #1456

Quote
I got 4 custom PCIe to 2 x 6+2 cables.

http://www.cstone.net/~dk/6GPU-rig01.JPG

Draw at the wall:

http://www.cstone.net/~dk/1200P2.JPG

Where did you get the cables from? I did have a quick look but couldn't find anything

██   DeepO (https://deeponion.org)
sneakyraccoon
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August 23, 2017, 12:02:30 PM
 #1457

Quote
How are you running 6x 1080Ti from 1 PSU?
I got 4 custom PCIe to 2 x 6+2 cables.

http://www.cstone.net/~dk/6GPU-rig01.JPG

Draw at the wall:

http://www.cstone.net/~dk/1200P2.JPG

Nice cable management! Love it!

What kind of display is this that shows your power consumption?
crazydane
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August 23, 2017, 12:16:17 PM
 #1458

Quote
Where did you get the cables from? I did have a quick look but couldn't find anything

https://cablemod.com/

Use their configurator and enter your PSU make/model, etc.

crazydane
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August 23, 2017, 12:17:58 PM
 #1459

Quote
Nice cable management! Love it!
Thanks!

Quote
What kind of display is this that shows your power consumption?

http://www.ebay.com/itm/100A-AC-LCD-Panel-Digital-Power-Watt-Meter-Monitor-Voltage-KWh-Voltmeter-Ammeter/322626251249?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649

$12 shipped.  Can't beat that.  I got several.
Temporel
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August 23, 2017, 12:52:01 PM
 #1460

Quote
MSI Z270A-Pro
G3950 CPU
2x4GB RAM
6xEVGA 1080Ti OC Edition
1xEVGA SuperNova 1200 P2
6x V.007 Risers

Cards synced in Afterburner and set to 65% power, + 150 Core, +600 Memory

Win 10, latest BIOS from MSI, latest driver from nVidia, NiceHash Legacy 1.8.1.1

Been running rock solid since turning it up a couple of weeks ago.  Pulls right around 1,100W at the wall @ 247V.

How are you running 6x 1080Ti from 1 PSU?

I am using 2 x EVGA P2 1200W to run 6 cards, there's only 6 x VGA/PCI-e cables per PSU so how can 1 PSU power this?

  It's a risky move to go over 80%.  
nope, really not, Im above 90% on all my rig, some of them are 4 years old...
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