By using only some of the ports, we were able to mine at just about 4Gh/s consistently. Plus while some of them were extremely hot, some were cool to the touch.Ī million combinations of ports, spacing, and timing later, we discovered that our powered USB hub wasn't quite so powered after all.If we tried to use every port, some of them wouldn't receive enough power.
Once we were successfully mining ( the Eligius mining pool has great stats) it was a long afternoon of getting as many of those Eruptors successfully working as we could.Īt first it seemed like they were all chugging along, but we noticed our hashrate was way lower than expected, and lots of rejections and hardware errors were piling up on some of the Eruptors.
It takes a while for cgminer to detect and utilize all the Eruptors, so be patient if it takes a while for them all to show up.
#Asic bitcoin usb block erupter install
Use zadig to install drivers for your USB sticksĬgminer.exe -o "" -u YOUR_BITCOIN_ADDRESS -p anything.Download the "zadig" USB Driver installer.Download the latest release of CGMiner (we used 3.8.2).If the erupter founds a valid nonce, it sends it back to the computer. The erupter tries all 232 possible nonces. Computer running mining software (like cgminer) sends a task to the erupter.
#Asic bitcoin usb block erupter how to
We weren't surprised to find that a lot of the information about how to set up the mining software to talk to the USB sticks was out of date, so here's how things stand in November 2013 if you're mining with ASICMiner Block Eruptor Sapphire USB sticks on Windows. At first, let me shortly explain how Block Erupters (generally known as icarus miners) work. With 16 of the cute little guys, a powered USB hub, and a slow afternoon, we got to fiddlin'. We love Bitcoin, and while we haven't done much mining since GPUs got involved, last week Josh saw some little ASICMiner Block Eruptor USB sticks available for $30 each and figured they would be fun to mess around with. This was a very respectable amount of hashing power at the time. The total hashing power of this setup was about 8.5 GH/sec. The right USB hub has my original 2 Red Furies in it. Guess who doesn't pay for electricty in their office? The left and center powered USB 2.0 hubs are running Block Erupters exclusively.
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