U3 gh/s | Bitcointalksearch.org

bmoscato

sr. member

Activity: 361

Merit: 267

I recall having an easier time running them BGMiner with them back in the day. That said, have you tried running the VH fork of CGMiner 4.11.1? I find it works well with the old U1/U2's, but I haven't tested it with a U3.

Follow the directions in this thread for the VH CGMiner: https://bitcointalksearch.org/topic/gekkoscience-newpac-terminus-r606-bm1387-official-support-thread-5053833

You can also mess with the settings using the current version of CGMIner:

Code:

--au3-freq Set AntminerU3 frequency in MHz, range 100-250 (default: 225.0)
--au3-volt Set AntminerU3 voltage in mv, range 725-850, 0 to not set (default: 775)

Also, this thread has a lot of information: https://bitcointalk.org/index.php?topic=827356.1480

Kidsid63

newbie

Activity: 39

Merit: 0

Cgminer 4.9.2, it seems to work with old version better

bmoscato

sr. member

Activity: 361

Merit: 267

I haven't messed with the U3's in a years (almost 5 to be exact), but I had a bunch of issues with the few I had. I could never keep them running long term and had to replace fans and redo the thermal paste... I felt like I was always trying to doctor those things. That said, when they ran, they hashed in the 60GH/s range.

What software are you using? CGMiner or BFGMiner?

Kidsid63

newbie

Activity: 39

Merit: 0

I switch my freq and volt to 240 800 now getting about 45 to 46 and it has ran for 24 hrs no zombie or errors

Easteregg69

sr. member

Activity: 1579

Merit: 267

Quote from: Kidsid63 on August 23, 2020, 09:47:37 PM

I finally got my u3 working but it’s only getting about 27 gh/s, any help on getting high gh/s my freq 238 a volt 750.

BitMain AntMiner U3 Specifications:
– Max Hash Rate: 63 GH/s ±5%
– Power Efficiency: 1Watt/GH/s on wall at 0.83V
– Voltage: DC 12V input, 6A
– Chip Quantity per unit: 4
– One 80mm fan
– Noise: ~25 DB at 25 °C ambient temperature
– Hashrate and VDD core voltage can be adjusted via cgminer command line
– USB connection
– 12V AC/DC power brick of 6A, but power line not included
– Certificate Compliance: FCC/CE

Kidsid63

newbie

Activity: 39

Merit: 0

I finally got my u3 working but it’s only getting about 27 gh/s, any help on getting high gh/s my freq 238 a volt 750.

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