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Author Topic: GekkoScience 2Pac/Compac BM1384 Stickminer Official Support Thread  (Read 148396 times)
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sidehack
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January 15, 2018, 07:36:41 PM
 #1421

White light means you've probably got a chip that shot craps.

Got a new 28-135GH stick miner!
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marousi
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January 15, 2018, 07:44:55 PM
 #1422

When increasing voltage and one turns to max voltage, does it stop turning, or go to lowest voltage?
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January 15, 2018, 08:25:45 PM
 #1423

The potentiometer will go full circle, past max will return to minimum.

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January 16, 2018, 10:38:44 AM
 #1424

ok, 200 MHZ seems to be the optimal for my 2pacs, otherwise zombies. All 6 have been stable for 5 hours so far.
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January 16, 2018, 12:08:49 PM
 #1425

White light means you've probably got a chip that shot craps.

ok, is there anything to do ?
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January 16, 2018, 02:14:50 PM
 #1426

I have three 2pacs on a 60 watt powered anker hub, can I add more?
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January 16, 2018, 04:28:14 PM
 #1427

I had 2 2Pacs on a 30 W hub and 250 MHz was the limit to go.

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January 17, 2018, 08:38:42 AM
 #1428

These 2pacs are really temperamental,  When they go zombie I change the port on the hub and they work again for awhile and then again become zombie. I've . tested them from 100 -300 MHZ and ca't figure out the optimal settings. Seems to be impossible to get all seven 2pacs working at the same time.
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January 17, 2018, 09:58:45 AM
 #1429

guys just new to this and bought one 2 pac latetst version ,

and i am wondering if this hub is oke for use with the 2 pac usb miner :

http://www.raidsonic.de/products/external_cases/mm_cardreader/index_en.php?we_objectID=771

thanks in advanced
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January 17, 2018, 10:04:26 AM
 #1430

Should be ok as long as it is powered, I prefer anker usb hubs.
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January 17, 2018, 10:16:05 AM
 #1431

Should be ok as long as it is powered, I prefer anker usb hubs.


yes i know it must be powered this one has a 12volt input so itought this one would be oke , i cant buy a anker here in the Netherlands ....i think


its a 12volt 3 amp
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January 17, 2018, 01:13:01 PM
 #1432

Should be ok as long as it is powered, I prefer anker usb hubs.


yes i know it must be powered this one has a 12volt input so itought this one would be oke , i cant buy a anker here in the Netherlands ....i think


its a 12volt 3 amp

Since it's rated @ 36 watts, it SHOULD support 3 sticks.

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Avalon 741 x 2; BM S7 x 1, C1 x 1, S3 x 1; GekkoScience R808 x 2, 2Pac x 8
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January 17, 2018, 01:52:19 PM
 #1433

Should be ok as long as it is powered, I prefer anker usb hubs.


yes i know it must be powered this one has a 12volt input so itought this one would be oke , i cant buy a anker here in the Netherlands ....i think


its a 12volt 3 amp

Since it's rated @ 36 watts, it SHOULD support 3 sticks.

ah oke thanks for telling me ;-) realy appreciated !
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January 17, 2018, 07:05:18 PM
 #1434

Since it's rated @ 36 watts, it SHOULD support 3 sticks.
Not if you want to overclock. 1 stick at about 250 MHz with optimal voltage setting needs about 15 W.
But if you want to overclock, just buy another one.

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January 17, 2018, 07:20:06 PM
 #1435

Sometimes my little 2pac miners at home zombify while I'm at work. Three 2pacs are connected to a Plugable 7 port 60w USB2.0 hub (ports 2, 4, and 6) with a couple fans on an Ubuntu 16.04 system. I've found a couple scripts that will reset USB ports, and used them, as well as the USB commands in cgminer, but can't get them zombies to come back to life remotely. Is there a way to resurrect zombie 2pacs remotely, or do I need to physically remove and reinsert them?

Thanks.
sidehack
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January 17, 2018, 07:29:47 PM
 #1436

According to the charts, 250MHz optimal should run more like 10W.

Only way to resurrect is a power cycle. Unless you want to start modifying the hardware.

Got a new 28-135GH stick miner!
Currently in development - 100+GH USB stick; 800GH 60W pod; 6TH volt-adjustable S1/3/5 upgrade kit
Server PSU interface boards and cables. USB and small-scale miners. Hardware hosting, advice and odd-jobs. Supporting the home miner community since 2013 - http://www.gekkoscience.com
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January 17, 2018, 07:41:10 PM
 #1437

According to the charts, 250MHz optimal should run more like 10W.
15 W was my measuring. By turning up the voltage any more, one stick zombied. And I had two sticks in a 30 W hub.

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January 17, 2018, 08:25:52 PM
 #1438

Since it's rated @ 36 watts, it SHOULD support 3 sticks.
Not if you want to overclock. 1 stick at about 250 MHz with optimal voltage setting needs about 15 W.
But if you want to overclock, just buy another one.

Good point, and I should have mentioned that.

I have an old hub I'm thinking about modding to supply 5V, 3A to each port.  It probably won't be pretty. Grin

Coining bits since 2017 
Avalon 741 x 2; BM S7 x 1, C1 x 1, S3 x 1; GekkoScience R808 x 2, 2Pac x 8
Kano Pool is the BEST BTC mining pool.
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January 17, 2018, 09:59:00 PM
 #1439

Only way to resurrect is a power cycle. Unless you want to start modifying the hardware.

Thanks for the response. I'm adventurous, but I think I may pass on the hardware mods. I'm pushing my luck by thinking about slitting the USB cables and running 5v directly to the little buggers. I wouldn't know where to start with the hardware mods.
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January 18, 2018, 07:52:32 AM
 #1440

Unplugging and re-plugging the 2pacs in the hub is annoying, just to get them to mine. I won't be buying anymore 2pacs.
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