The Basics

I’ve operated various versions of the L3+ for around a year and have done testing with various firmware versions, speeds, and even cooling techniques so many of the articles below are through my own testing, trial and error, and sometimes outright failure. 

For starters, here’s the most recent L3+ Hashboard Walkthrough I’ve written…

• 
  Crypto Miner Fan ReplacementOctober 20, 2022
  What to do when you’re not hashing anymore, a very frustrating but often simple problem to … Continue reading “Crypto Miner Fan Replacement”
• 
  Quick hack to monitor that your L7 (or any miner) is workingAugust 12, 2022
  I’ve seen a lot of posts lately, and even got an message or two, asking how … Continue reading “Quick hack to monitor that your L7 (or any miner) is working”
• 
  How a cheap knockoff duct fan almost took out my crypto farmJune 22, 2022
  How is that for a headline? Certainly nothing you ever want to read or even think … Continue reading “How a cheap knockoff duct fan almost took out my crypto farm”
• 
  How to troubleshoot your L3+ using the kernel log.May 18, 2022
  We’ve all had miners fail (if you’re here that’s most likely why), it’s frustrating, maddening, but … Continue reading “How to troubleshoot your L3+ using the kernel log.”
• 
  Installing 120V or 240V 20A branch circuits for your crypto minersApril 24, 2022
  In my series of, “I know what I want to see, but what do you want … Continue reading “Installing 120V or 240V 20A branch circuits for your crypto miners”
• 
  A (not so) Quick Tutorial on HiveOS Tuning of an L3+April 19, 2022
  Got a question the other day about how to autotune an L3+ with aftermarket firmware. There … Continue reading “A (not so) Quick Tutorial on HiveOS Tuning of an L3+”
• L3+ Keeps ResettingApril 18, 2022
  A buddy called me up and let me know he was having trouble with his L3+. … Continue reading “L3+ Keeps Resetting”
• What’s my fans CFM and how do I measure it?March 23, 2022
  Part of managing your crypto miner is finding the perfect balance between performance, power usage, cooling, … Continue reading “What’s my fans CFM and how do I measure it?”
• 
  What to do when you can’t fix an ASIC chip on an L3+ Hash Board?March 19, 2022
  Bypass it, jump over it, leave it in the dust, at least that’s a path that … Continue reading “What to do when you can’t fix an ASIC chip on an L3+ Hash Board?”
• 
  How to know if it’s a bad 14V boost circuit or bad LDO’sMarch 13, 2022
  I’ve always heard the first thing that fails on an L3 hash board is the 14V … Continue reading “How to know if it’s a bad 14V boost circuit or bad LDO’s”
• 
  Inside the Antminer L3+ HashboardMarch 8, 2022
  One of the challenging things with working on an L3+ hash board is the lack of … Continue reading “Inside the Antminer L3+ Hashboard”
• 
  Don’t skimp on the solder when reflowing an ASIC…February 20, 2022
  What is that I see above? That’s ASIC 28 on an L3+ hash board. You probably … Continue reading “Don’t skimp on the solder when reflowing an ASIC…”
• A Walkthrough of the L3+ Hash Board (2nd Edition)February 17, 2022
  Like many of you I’ve had some frustrations with my L3+ units, mostly surrounding the hash … Continue reading “A Walkthrough of the L3+ Hash Board (2nd Edition)”
• 
  What to do with 0 asics found and CRC5 errors?February 8, 2022
  Has anyone else ever been frustrated with an error that simply says, “bitmain_scanreg,crc5 error, should be … Continue reading “What to do with 0 asics found and CRC5 errors?”
• 
  Programming the PIC on an L3+ Hash BoardFebruary 6, 2022
  I recently came across an L3+ hash board that wasn’t producing 10V from the buck controller … Continue reading “Programming the PIC on an L3+ Hash Board”
• 
  Reviving a $300 “for parts only” L3+ I bought off EbayFebruary 4, 2022
  I’m always looking for a project, and a good deal, so I’ll often browse Ebay and see … Continue reading “Reviving a $300 “for parts only” L3+ I bought off Ebay”
• 
  How many miners, how big of a miner, can I fit on a circuit?February 2, 2022
  More and more I’ve seen questions from folks about how many, or how big, of a … Continue reading “How many miners, how big of a miner, can I fit on a circuit?”
• Using HiveOS Shell to Fix Problems RemotelyJanuary 23, 2022
  If you’re like me you’re always wondering how you can tweak or fix every little problem … Continue reading “Using HiveOS Shell to Fix Problems Remotely”
• No chips, no temp, no hash, no problem!January 15, 2022
  Hey all, How many times have you seen a post by someone that has a hash … Continue reading “No chips, no temp, no hash, no problem!”
• 120V or 240V, what’s right look like?January 12, 2022
  I’ve seen a lot of posts about crypto miners (all types and brands) where people are … Continue reading “120V or 240V, what’s right look like?”
• A Walkthrough of the L3+ Hash Board (1st Edition)January 1, 2022
  Like many of you I’ve had some frustrations with my L3+ units, mostly surrounding the hash … Continue reading “A Walkthrough of the L3+ Hash Board (1st Edition)”
• Replacing the Antminer L3+ 14.2V Boost CircuitDecember 30, 2021
  Like many of you I’ve had the displeasure of my L3+ lose a hash board, frustrating, … Continue reading “Replacing the Antminer L3+ 14.2V Boost Circuit”
• 
  L3+ V1.6 hashboard shows missing or very few chips and abnormal temp readings.December 28, 2021
  So I’ve had a hash board down for a few weeks and just now finally got … Continue reading “L3+ V1.6 hashboard shows missing or very few chips and abnormal temp readings.”
• 
  DIY Test Fixture for the L3+December 24, 2021
  To continue our series on Bitmain’s Antminer L3+, we enter the troubleshooting phase. Over the last … Continue reading “DIY Test Fixture for the L3+”
• 
  Overclocking dangers (Why does an L3+ hash board love up to 240W)December 20, 2021
  I’ve had a lot of folks hit me up with various overclock settings, and while most … Continue reading “Overclocking dangers (Why does an L3+ hash board love up to 240W)”
• 
  Maximize your circuits and minimize costsDecember 11, 2021
  To continue the journey into setting up your crypto miners, specifically the L3+, you should start … Continue reading “Maximize your circuits and minimize costs”
• 
  Overclocking on the L3+, is the juice worth the squeeze?December 10, 2021
  Like many of you I’ve often wondered just how much can I get out of my … Continue reading “Overclocking on the L3+, is the juice worth the squeeze?”
• 
  L3+ Cheap and Effective noise reductionDecember 4, 2021
  When I bought my first L3+ miner in early 2021 I was excited to plug it … Continue reading “L3+ Cheap and Effective noise reduction”
• 
  Installation of Hive OS on an L3+December 4, 2021
  So after learning a thing or two about the stock Bitmain firmware I quickly realized that … Continue reading “Installation of Hive OS on an L3+”
• 
  You’ve got to keep the dust out, blah blah blah…August 28, 2021
  If you’ve heard it once, you’ve heard it a million times, you’ve got to keep the … Continue reading “You’ve got to keep the dust out, blah blah blah…”