Went several pages deep from 1 and 55 hoping I didn't have to read all... After your reply, I started in the middle and found 2 posts quickly...
Here's an informative one if any more noobs show up with the same question. "how do I set frequency individually for each gekkoscience 2pac usb miner" Hopefully google picks this up for anyone else.
For all those that are having issues with some sticks going zombie, you should check the
troubleshooting / Q&A from the OP.
If you have followed the instructions (voltage adjutment etc) and you still have the zombie issue, continue reading (Windows only).
ImportantBy following the instructions below, you will end up using one instance of cgminer for each stick.
[1] Create a batch file in the cgminer folder (let's call it list-devices.bat)
@echo off
TITLE 2Pac - list devices
cgminer -n
pause
Run it and you should see something like this
[2017-07-11 20:00:08.577] USB all: found 13 devices - listing known devices
.USB dev 0: Bus 4 Device 12 ID: 10c4:ea60
[...some more info here...]
.USB dev 1: Bus 4 Device 10 ID: 10c4:ea60
[...some more info here...]
.USB dev 2: Bus 4 Device 14 ID: 10c4:ea60
[...some more info here...]
[2017-07-11 20:00:08.578] 3 known USB devices
Press any key to continue . . .
Write down the bus number (in my case 4) and each device ID (in my case 10, 12 and 14)
[4] Create a batch file in the cgminer folder for the first stick with the following
@echo off
TITLE BTC - solo (ckpool) - 2Pac #1
cgminer -o stratum+tcp://de.ckpool.org:3333 -u YOUR-USERNAME -p x --gekko-2pac-freq YOUR-DESIRED-FREQ --suggest-diff YOUR-DESIRED-DIFF --usb 4:10
pause
Create a batch file in the cgminer folder for the second stick with the following
@echo off
TITLE BTC - solo (ckpool) - 2Pac #2
cgminer -o stratum+tcp://de.ckpool.org:3333 -u YOUR-USERNAME -p x --gekko-2pac-freq YOUR-DESIRED-FREQ --suggest-diff YOUR-DESIRED-DIFF --usb 4:12
pause
Create a batch file in the cgminer folder for the third stick with the following
@echo off
TITLE BTC - solo (ckpool) - 2Pac #3
cgminer -o stratum+tcp://de.ckpool.org:3333 -u YOUR-USERNAME -p x --gekko-2pac-freq YOUR-DESIRED-FREQ --suggest-diff YOUR-DESIRED-DIFF --usb 4:14
pause
Repeat until you cover all devices
[8] Please note the
--usb 4:14 added at the end of the command line which instructs cgminer to use only the device found on bus 4 with ID 14 (see step 3).
Final notes:
- my 3 sticks were running fine most of the time but every 2-3 days one of them was going zombie
- with this setup I'm running fine @ 200 Mhz since the 6th of July (0 HW errors, no zombies)
- the hub I use is the
Plugable USB 2.0 version
HTH,
anorganix.
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