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    Saturday, October 9, 2021

    GPU Mining My mining operation. Waiting on 2 3070 FE's which should put me just over 1GHS. Also having a buddy come over to run me some 20amp designated outlets for the wire rack.

    GPU Mining My mining operation. Waiting on 2 3070 FE's which should put me just over 1GHS. Also having a buddy come over to run me some 20amp designated outlets for the wire rack.


    My mining operation. Waiting on 2 3070 FE's which should put me just over 1GHS. Also having a buddy come over to run me some 20amp designated outlets for the wire rack.

    Posted: 08 Oct 2021 06:53 PM PDT

    Did thermal pad mod to my 3080 ti FE and now my vram temps are 66 C. Only problem is now my GPU temp is 80+ ��. What did I do wrong?

    Posted: 08 Oct 2021 12:16 PM PDT

    T-Rex Miner Fully Unlocks NVIDIA LHR Graphics Cards: True or False? Test Results.

    Posted: 08 Oct 2021 08:57 AM PDT

    T-Rex Miner Fully Unlocks NVIDIA LHR Graphics Cards: True or False? Test Results.

    https://2miners.com/blog/t-rex-miner-fully-unlocks-nvidia-lhr-graphics-cards-true-or-false-test-results/

    We tested the dual mining mode to unlock NVIDIA LHR GPUs on the popular mining software T-Rex (version 0.24.0 released on October 7, 2021). GeForce RTX 3080 Ti graphics cards were used, but the results are applicable to any LHR GPU.

    T-rex Miner

    submitted by /u/2miners
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    pcie cable brand recommendation

    Posted: 09 Oct 2021 07:34 AM PDT

    I need to buy some pcie cables, but most of the ones on amazon have mixed reviews. Can anyone recommend some decent cables for mining?

    Specifically, I need one 8-pin cable to power a 1080 that has one 8 pin input and two 6 pin cables to power two risers. I'm using a EVGA 650w PSU to power two 1080s on a rig.

    submitted by /u/jwheelgun
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    3080 ti FE repad, vram temps below 80C but core temps above 80C. I used 2mm gelid extreme on die side, same as on my 3080 FE, but core temps are waaaaay worse for 3080 ti. Help?

    Posted: 08 Oct 2021 08:28 PM PDT

    RTX 3080 LHR dual mining: why I'm buying 3 more LHR cards.

    Posted: 08 Oct 2021 06:11 PM PDT

    RTX 3080 LHR dual mining: why I'm buying 3 more LHR cards.

    Several people have pointed out that mining ETH at 71% is in fact more profitable, at today's prices, than mining 30/70 ETH RVN.

    For me, as a casual mine-and-hold miner since 2011, that really misses the point. If I needed to cash in tomorrow to pay my electricity, of course I'd have a different take. I only cash out to buy more hardware.

    Yesterday I bought a NIB RTX 3080 LHR for $1350 USD on FB.

    Here it is on T-Rex 71%:

    \"C:\t-rex\t-rex.exe\" -a ethash -o stratum+tcp://eu1.ethermine.org:4444 -u *** -p x -w rig0 --lock-cclock 1580 --pl 70 --fan t:50 --cclock 0 --mclock 1525

    Pretty good! At ~72 MH/s, that's almost exactly what I'd hoped for.

    Here it is on RVN:

    \"C:\t-rex\t-rex.exe\" -a kawpow -o stratum+tcp://rvn.2miners.com:6060 -u **** -p x --lock-cclock 1580 --pl 70 --fan t:50 --cclock 0 --mclock 1525

    Also totally great.

    With those numbers in mind, I would hope that if the dual mining worked correctly and efficiently, I'd be getting ~30 MH/s ETH and ~30 MH/s RVN. *Drum roll*

    \"C:\t-rex\t-rex.exe\" -a ethash --lhr-algo kawpow -o stratum+tcp://us2.ethermine.org:4444 -u **** -p x -w rig0 --url2 stratum+tcp://rvn.2miners.com:6060 --user2 **** --pass2 x --lock-cclock 1580 --pl 70 --fan t:50 --cclock 0 --mclock 1525

    Holy shit! The point here for me is that 100% of the GPU is mining, and at almost perfectly 30/70. Yes, of course, I could do 100% RVN and get 100% GPU utilization, but having the option of having a bit of both is very appealing to me for my mining goals.

    I have no idea where the market is going, but I am betting that over the long haul it will trend up. RVN has a lot of long term support at $0.05, and resistance at $0.15-$0.20. If it gains more traction with general crypto enthusiasts (I only hear miners talk about it) that resistance could break through (not a fortune teller, but it's a possibility).

    TL;DR: If you are mining today and cashing in tomorrow, mining ETH at 71% is the best bet. But even as it stands right now, it's not worth it after exchange fees to mine 71% and then convert some to RVN to hold, though that will change from day to day of course.

    submitted by /u/end_chldhd
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    Getting error after adding new GPU: TREX: Can't find nonce with device [ID=1, GPU #1], cuda exception: CUDA_ERROR_LAUNCH_TIMEOUT, try to reduce overclock to stabilize GPU state

    Posted: 09 Oct 2021 04:16 AM PDT

    I have been running 2x3080 and 1x3070 on T-Rex on HiveOS with no issues for weeks. I recently added a new 3080 Ti into my rig and it started running into frequent issues. After an hour or so, T-Rex will stop mining and start constantly repeating the following error until the hashrate watchdog forces the miner restart or the rig to reboot. It will run again for a little while but then start having issues again.

    TREX: Can't find nonce with device [ID=1, GPU #1], cuda exception: CUDA_ERROR_LAUNCH_TIMEOUT, try to reduce overclock to stabilize GPU state 

    The GPU ID is random every time, meaning the error doesn't make sense since I've tested each of these GPUs individually with their OC settings and they run just fine. It's just when they're together on my rig that this issue start happening.

    Can anyone help me figure out what's going on?

    My setup:

    • Motherboard: ASUS B450-F Gaming CPU: Ryzen 9 3950x RAM: 16GB XTREEM ARGB Storage: SSD
    • OS: HiveOS Miner: T-Rex miner Settings: `"lhr-tune": "4,0,0,0"` where GPU #0 is the 3080 Ti
    submitted by /u/a_miners_delight
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    pins for powering pcie risers

    Posted: 09 Oct 2021 02:23 AM PDT

    my gpu is a 8 pin with a 6 pin, are you supposed to plug all 14 pins in the gpu and 6 more in the pcie riser or would you plug 8 in the gpu and 6 in the riser leaving the 6 pin on the gpu empty.

    submitted by /u/shredstifer
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    PSA: Pass your Ethernet through your surge protector

    Posted: 08 Oct 2021 03:26 PM PDT

    Lightning hit my building and knocked out my modem, passed through the Ethernet cable knocking out my gaming PC port, with literal sparks flying from the network hub connected to my 3 rigs. I was lucky and nothing else was damaged. New surge protectors with Ethernet this time and new hub on the way. Downstairs neighbor lost entire PC (keyboard was slightly nuked), and another neighbor lost their modem as well. Stay safe folks

    submitted by /u/visionJX
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    Brand new Rx 6800 very low hashrate

    Posted: 09 Oct 2021 12:52 AM PDT

    Just got a brand new xfx 6800 xt and I went to start mining with it and it was only getting 7 mhs. I plugged it into my 2nd rig and same thing . Under 10 mhs.

    Does anyone know if this means it's a bad card or what? Real confused this is the first GPU that has done this to me

    submitted by /u/SplashinDap0t
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    Connect 2 PSUs on one motherboard. I searched but like to get recent advice.

    Posted: 08 Oct 2021 09:25 PM PDT

    I got the Dual PSU Power Supply Extension Cable for ATX Motherboard,Full Copper 24pin Chassis Power Start line,24 pin to 24(20+4) pin, 1ft/30cm. I have a Super Flower Leadex Titanium 1000W 80+ Titanium and EVGA eVGA Power Supply 220-P2-0850-X1 SuperNOVA 850 P2 Platinum. Please advise on connecting. Thanks.

    submitted by /u/yellowsubmarine2016
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    Where do you guys buy your cables?

    Posted: 08 Oct 2021 08:40 PM PDT

    I'm trying to hook up multiple cards to my PSU, and don't want to use a splitter. Is there a good place to get some good quality cables?

    submitted by /u/Altruistic_Box4462
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    Sold half of my GPUs for a good price

    Posted: 08 Oct 2021 05:15 PM PDT

    Bought some GPUs in May/June, mined for a few months, then sold them a little above what I paid. All values in CAD.

    2x 3080- paid $2100 ea, sold for $2200 ea

    1x 3070- paid $1700, sold for $1600

    1x 5700 xt- paid $1000, sold for $1100

    2x 5700- paid $1100 ea, sold for $1100 ea

    I still have 440mh left that I'll continue to mine on. After getting rid of these cards, I now have a ton of extra mining equipment. Either I sell the parts or I buy more GPUs lol.

    Shout out to the guy from near Toronto that sold his rig recently too :)

    Edit- formatting

    submitted by /u/mojo11jojo
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    Why Are Motherboards 10x MSRP?

    Posted: 08 Oct 2021 04:33 PM PDT

    I was looking to buy a new mining motherboard (B250 Mining Expert) and was shocked at how much they are charging for them. How does something that costs around $100 going for $1,000 now? WTF? Are people actually paying that much?

    submitted by /u/Ilovelamp_0
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    LPT: You'll never ROI on 3090s at scalper prices

    Posted: 08 Oct 2021 06:09 PM PDT

    Is there a place where you can see ALL GPU minable cryptos network hash rate in a list of table format?

    Posted: 08 Oct 2021 01:40 PM PDT

    I'm trying to create a sheet showing the potential impact of Eth 2.0. If interested feel free to use my template. I still need to update many sections (NOT COMPLETE YET), but a list of network hash rates would be very useful...

    https://docs.google.com/spreadsheets/d/1HyKoZhD_K_vcn5QqHMlZEX-o3FQ_i7SnCRjvfIR0SVw/edit?usp=sharing

    Also shout out to Sebs FinTech Channel (https://www.youtube.com/c/SebsFinTechChannel) who originally made this sheet. I copied and pasted his template into mine. Only problem with it, it's taking values from a point in time. So I made a import tab that pulls in live data over. I will also save historical data in prior tabs to see how hash rate moves.

    submitted by /u/mrcrns
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    T-Rex miner, I just updated T-Rex on my rigs. I noticed two things, in TaskManager there’s two versions of T-Rex running. And on start up t Rex has some odd code (grey color) that I’m not sure what it is. Does this look OK or have my rigs been hacked?

    Posted: 08 Oct 2021 10:46 AM PDT

    SINGLE PCIE 2 (6+2) daisy chained AND split once to power a 3 8pin 3080?

    Posted: 08 Oct 2021 10:33 AM PDT

    I have an older PSU (Quark 750W) that only provides two 2x(6+2) PCIe cables. Rosewill has no replacements, but I'm trying to ask support if they have any alternatives. Supposing this doesn't work out...

    I have a 2080 ti hashing with one single daisy chained cable at 155W.

    For the second cable, and since these PCIe cables are technically rated at 300W, would it be possible to further split the second daisy chain into 3, so that the 3080 is fully plugged in with 3 cables that are connected in one? I set it to have a power draw of 65%, but is really drawing 250W. Would this work?

    I saw a video of a guy using a single PCI-e cable to power 2 8pin 3080 and riser, running the 3080 at 220W. But he noted that if the OCs do reset for a bit, it could potentially become a fire hazard.

    Another concern I have is if the underclocks somehow get reset, in which case my PSU would not be able to accommodate for full capacity (Other have a max load of 250W according to pcpartpicker + 2080ti max 250W + 3080 max 330W = 830W). This is part of my workstation where I occasionally play games, but otherwise is pretty idle. Is there some way to hard cap the GPU power limit somewhere in Bios to completely OCs from getting reset?

    If not at all, I think my only 2 options is getting a smaller PSU solely for the 2080ti or replacing it a 1000/1200 watt PSU

    Thanks!

    submitted by /u/jet0303
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