You only need 12V 6-pin male connectors from the psu then. |
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Hi, Depending on what kind of pci-e risers you got, you might need 5V from the server psu. I had old risers (006C?) that only had a molex connector, this is because gpu's need 5V for start signal as i understood. The better model of pci-risers has this 12V -> 5V voltage transformation built in, and therefore only requires 12V on a 6pin pci-e connector. This is how i solved getting 5V from the 12V server psu's https://bitcointalk.org/index.php?topic=1955358.msg28576837#msg28576837This could also be a idea to feed the motherboard molex from the server psu instead of the pico-psu. |
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I just get with claymore 9.7 round about 340 h/s  Modded bios? Optimized straps? Overclocked memory? |
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Glad to see you guys got the G7s up and running. I've been scouring ebay trying to find a better deal than those G7s for mining and haven't been able to find anything. I posted a little guide / blurb for how to run a 240V 30A outlet for residences in the USA.. If anyone needs more power... https://bitcointalk.org/index.php?topic=2772135.msg28578662#msg28578662What i have not solved yet is running 12 gpus in my G7. Im fairly sure how to solve the electricity, except how i solve common ground the best way, since i need to take 1-2 psu's and mount them externally to be able to fit the pci-e breakout boards. With normal ATX-psu's i have add2psu-adapters solving this, but now im not really confident in whats the best solution is? And also, does Windows Server support 12 gpu's? Put the GPUs on pci-e expansion boards. Power the expansion boards from the 2x psus you leave attached to the G7. Take other 2 PSUs, put breakout boards on them and run it to the GPU cards 6/8pin port. CPU Mining will kill 1kW (depending on cpus) from the 2x PSUs you leave in the unit. You should still be able to optionally stick a couple cards in the system itself. I don't know about windows, I'd never run windows for any miner. I'm not sure what you mean by a common ground. I'd just plug all the PSUs into the same PDU. Here's my PDU: https://www.amazon.com/gp/product/B0013HY9E2/ref=ox_sc_act_title_5?smid=ASF0S1GFIHF5V&psc=1Thanks a lot for this clarification. I tried booting up with SMOS with 2 cards mounted directly on the motherboard, but SMOS would only detect 1. What OS would you runt with 12 AMD RX cards in my G7? |
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Could i put this on a linux-live dist and run it from a usb without any drivers etc? Is it terminal based? |
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Hi, i have a bunch of SMOS-riggs all equipped with matching RX570 cards. Now i have taken the time to optimize the bios for my cards, and like to flash all of them. But i cant find a DOS-based ATI-Winflash version that support RX-cards? How do you normally solve this? All i want i a bootable usb-stick with my ROM that i can insert in all my rigs and convenient flash all cards.
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Glad to see you guys got the G7s up and running. I've been scouring ebay trying to find a better deal than those G7s for mining and haven't been able to find anything. I posted a little guide / blurb for how to run a 240V 30A outlet for residences in the USA.. If anyone needs more power... https://bitcointalk.org/index.php?topic=2772135.msg28578662#msg28578662What i have not solved yet is running 12 gpus in my G7. Im fairly sure how to solve the electricity, except how i solve common ground the best way, since i need to take 1-2 psu's and mount them externally to be able to fit the pci-e breakout boards. With normal ATX-psu's i have add2psu-adapters solving this, but now im not really confident in whats the best solution is? And also, does Windows Server support 12 gpu's? |
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After much weeping and gnashing of teeth, what should have been a painless procedure that has swallowed the better part of a day to figure out is finally complete. The DL580 G7 is rocking the E7 8837's. All in all, it required what should have been easy. A BIOS update. Thanks HP. <waves middle finger>
Spinx, what settings are you using for the miner? I'm currently seeing about 1K/s w/ the default config from launching it and letting it figure itself out.
"On my rig, I have 4x E7-8837 cpu's, which are 8 cores each, no hypherthreading, so 32 physical cores total. Each cpu has 24Mb cache, so 24Mb/2Mb=12 threads for mining on each cpu. To get 12 total threads running on the 8 cores, I run two threads on 4 of the cores, and one thread each on the other 4 cores = 8 total cores of the cpu.. To run two threads I set 'low_power_mode=true', and to run one thread I set 'low_power_mode=false'. So for each cpu, this is what I do on my E7-8837: { "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 0 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 1 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 2 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 3 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 4 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 5 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 6 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 7 },Then I duplicate that configuration four times for the other 3 cores. This is also the suggested configuration from xmr-stak-cpu. My experience is that a core running a single thread will hash 30/s to 40/s, and a core running two threads will be 60/s to 70/s. If the hash rate drops to 20/s, it is because too many threads are running and the cpu cache is being swapped out when the threads run. That means it is inefficient and the total hash rate is lower. I attached a picture showing all 32 cores running, and 48 threads running, hashing about 1650/s. My xmr-stak-cpu version 2 cpu.txt configuration file looks like this." "cpu_threads_conf" :
[
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 0 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 1 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 2 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 3 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 4 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 5 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 6 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 7 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 8 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 9 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 10 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 11 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 12 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 13 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 14 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 15 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 16 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 17 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 18 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 19 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 20 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 21 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 22 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 23 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 24 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 25 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 26 },
{ "low_power_mode" : true, "no_prefetch" : true, "affine_to_cpu" : 27 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 28 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 29 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 30 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 31 },
],
 |
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I've tried 2008R2, no go. I'm currently on Server 2016 using drivers for 2008 and 2012 plus Win 10 64 bit drivers for the Nvidia cards. Great minds must think alike. I bought a couple 12V to 5V converters myself. It's how I'm adapting the power feed that was for the SAS array to drive cards based off the onboard PSUs.  I'm going to place an order from China as I can get the for a fraction of the cost, just have to deal with the wait. I ordered enough to cover me for a server or two for now. Wait, I just realized those are lipo converters from the RC world, you fly too? I tried Server 2016 and got stuck on the first installation of lan driver, so i ditch that for now, going to try 2012 server tomorrow as it should have official support from the "Service Pack for ProLiant" http://h17007.www1.hpe.com/us/en/enterprise/servers/products/service_pack/spp/index.aspx . I don't fly, got it from a friend, i believe is from a custom drone project  |
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Cleared NVRAM and I'm back in business. My ROM date is from 2011. Would you mind when you get a chance to check what version yours is? What OS are you running btw?
I had 3 cards running in the box and one being powered by a riser. For cooling reasons I'm about to fire the box with 2 risers and 2 in the case. (I'm short 4 pin molex power for the risers.) I've been doing some heavy adapting and outside of me blowing a dual 12v rail by accident. I'm getting to be fairly confident about running a bunch of GPUs in the box but of course, only time will tell!
I will check BIOS version later, not at the facility right now. First i ran SMOS, but could only get 1 card working. Im planning to install Windows Server 2012 as it supposed to have the best driver support from HP? What about you? Btw i did this mod tonight to be able to power my USB risers with a 2000W server PSU that only delivers 12V, this mod gives me 5V (molex design, need 5V to start the cards...) : https://bitcointalk.org/index.php?topic=1542527.0 . So far so good.  Credits to @SerialLain   |
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Hi, i didn't really do anything special, just reset the bios to default settings, switched the cpus and booted. I can check board revision, bios version etc tomorrow when i'll have time to indulge myself in the mining operation I just attempted the same. System still wouldn't boot with the 8837's. I tried 2 old CPU's with 2 of the new, that didn't work either. Then I left just 2 of the original CPUs and couldn't get it to boot. I've put the original CPUs back in and now I get a long and short beep indicating a fatal ROM error: system ROM not properly configured. Screen never comes up. Now I'm down 4 workers just because I wanted to mine ITNS on the CPUs...  I'm hoping I can get this guy back up. I was powering the cards pretty easily off the factory PSUs after figuring a few things out. Tuesday I go pickup 28 servers. Next week is going to be super busy... Sorry to hear that :/ But you did get more than 1 GPU running as i understand? On risers or? |
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Spinx, I tried to send you a PM but you don't accept them from noobs like me. I'm hoping you might be able to give me some advice. I'm having some problems getting my DL580 to boot w/ the 8837 chips installed. I fired her up and let her sit for 20 minutes but while on, it never booted. I also didn't get any error codes on the LCD indicator on the board, just 00. Did you have to do anything special to get the CPUs to work? I've read about some incompatibility problems based on board revisions etc. I've also read something about updating the CPLD. Any advice you have would be great. Thanks! Hi, i didn't really do anything special, just reset the bios to default settings, switched the cpus and booted. I can check board revision, bios version etc tomorrow when i'll have time to indulge myself in the mining operation |
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So, the conclusion of all the benchmarks I've read is: find an architecture that uses an AMD CPU Yes and no. If you are talking about modern desktop processors, Ryzen wins out, the main reason being because it includes the SHA instruction set. Probably the Epycs on the server side too, but they have barely released those to the market. If you are interested in making a run at mining cryptonight the best bet is to find an old server on ebay with multiple xeon chips in it (The HP DL580 G7 was mentioned earlier in the thread). The rub with the Ryzen chips are that the motherboards are expensive. My HP DL580 G7 with 4 x E7-8837 does about 1600H/s on cryptonight. how much power from the wall? thx I can measure this tomorrow, i guess around 800W, not sure tho. |
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The server runs better with the right OS like Suse or RedHat Linux, maybe. You need the right drivers for the hardware.
Use the internal GPU. Maybe the GPU-cards work without driver, only install the amd-sdk, no driver for the cards.
Good luck !
Thanks, i have acquired a copy of Windows Server 2016 and "The Service Pack" from HP wich as i understand should contain all the latest drivers? https://www.hpe.com/us/en/product-catalog/detail/pip.5104018.html# |
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I just picked up a ton of old iron at auction. Spent more than I wanted to, but I think I just became a mini hosting facility. I took every single lot they had, now to make a trip to pick it up, hopefully tomorrow or Friday. I started testing on a different server that is readily available. I was basically able to strip it of a ton of unnecessary stuff that would alllow me to condense it's size if I removed important boards out, or repurpose the front of the case where the SAS drive housing was to housing the cards themselves. Unfortunately, the 2 cards that were supposed to show up today from amazon are delayed until next week (hopefully by then!) so no testing today. SMOS doesn't CPU mine, at least not out of the box so I'm getting a winimage ready. But USB sticks so slow... lol I have 9 1060s coming tomorrow so I'll hopefully I'll be able to test the G7 that is supposed to show up later today along with the other server I already have up and going. Keep me posted! |
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I have not, but i will try this. Any more ideas? |
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I wish you the best of luck with this thing.
Thanks, no ideas? |
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So, the conclusion of all the benchmarks I've read is: find an architecture that uses an AMD CPU Yes and no. If you are talking about modern desktop processors, Ryzen wins out, the main reason being because it includes the SHA instruction set. Probably the Epycs on the server side too, but they have barely released those to the market. If you are interested in making a run at mining cryptonight the best bet is to find an old server on ebay with multiple xeon chips in it (The HP DL580 G7 was mentioned earlier in the thread). The rub with the Ryzen chips are that the motherboards are expensive. My HP DL580 G7 with 4 x E7-8837 does about 1600H/s on cryptonight. ...which means I'll have to dig a lot of information about them. Like do these things come with their power supplys? Usually 2 or 4 PSU's (1200W) included. That one u linked, has 2. I guess you could find a cheaper server and then only upgrade cpu's. No need for large amounts of RAM or HDDs. |
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