[ANN] Introduction to DualMiner USB (could mine both BTC and LTC) - page 6.

dualminer

newbie

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Quote from: TheRealSteve on March 21, 2014, 11:15:47 AM

As per the above, you only get that price per 10 if you buy 50 (or more).

You'd have to compare 50x DM2 vs 5x HD7970. The theoretical parity period is the same, but the initial investment (for either option) a fair bit higher.
I.e.
1. your comparison (note that I don't have all the variables you used, so give or take..) - investment: $612 - parity in 357 days
2. actual comparison to get that price - investment: $3,060 - parity in 357 days
3. if you truly bought only 10 ($70.20/each, per website) to match a single HD7970 - investment: $702 - parity in 464 days
http://imgur.com/a/YP5qk
( bitcointalk.org's image proxy is having a fit, so album link it is )

Of course one might be able to get a better deal on 5x HD7970, the resale value of graphics cards after a year is probably better, the static values are unlikely to remain static, etc.

Still, it's a pretty nice pricepoint

Thank you for your correction. Your points are well taken

TheRealSteve

hero member

Activity: 686

Merit: 500

FUN > ROI

Quote from: dualminer on March 21, 2014, 09:44:36 AM

When you purchase 50+ DM2 devices, you pay $61.2 for each DM2 device.

Quote from: dualminer on March 21, 2014, 09:44:36 AM

10 DM2 parameters; cost=$612

As per the above, you only get that price per 10 if you buy 50 (or more).

You'd have to compare 50x DM2 vs 5x HD7970. The theoretical parity period is the same, but the initial investment (for either option) a fair bit higher.
I.e.
1. your comparison (note that I don't have all the variables you used, so give or take..) - investment: $612 - parity in 357 days
2. actual comparison to get that price - investment: $3,060 - parity in 357 days
3. if you truly bought only 10 ($70.20/each, per website) to match a single HD7970 - investment: $702 - parity in 464 days
http://imgur.com/a/YP5qk
( bitcointalk.org's image proxy is having a fit, so album link it is )

Of course one might be able to get a better deal on 5x HD7970, the resale value of graphics cards after a year is probably better, the static values are unlikely to remain static, etc.

Still, it's a pretty nice pricepoint

dualminer

newbie

Activity: 59

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As you may know, our DualMiner USB 2 (DM2) has a price promation on volume purchase this month. When you purchase 50+ DM2 devices, you pay $61.2 for each DM2 device. I did a quick cost/reward comparision between the DM2 and one GPU (Radeon HD7970) system, and reached a conclusion that the DM2 is alreay neck to neck with Radeon HD7970 when comparing cost/reward matrix. Below is my detail analysis;

Assumptions:
Difficulty is steady

Given Conditions:
Host required to mine is not included in this comparision
External cooling is not included in this comparision
$/LTC convertion rate = $16.94
Electricity cost (KW/Hour) = $0.15
Pool Fee = 2%
Duration for comparision = 375 days
Radeon HD7970 parameters; cost=$310, Hash Rate=700KH/s, Power comsumption=250W
10 DM2 parameters; cost=$612, Hash Rate=700KH/s, Power comsumption=15W
LTC reward calculator used in this analysis; https://bitcoinwisdom.com/litecoin/calculator

Calculations:
GPU extra electricity fee (/day) = ((250W-15W)*24/1000)*0.15=$0.846/day
GPU extra electricity fee (375 days) = $0.846*375=$317.25
10 DM2 $ reward from 375 days' mining = $743.9 (using calculator https://bitcoinwisdom.com/litecoin/calculator)

GPU net reward (at the 375th day) = $743.9-$310-$317.25=$116.65
DM2 net reward (at the 375th day) = $743.9-$612=$131.9

Takeaway point: With the per device price of $61.2, the DM2 should give you better long term ROI compared to Radeon HD7970.

dualminer

newbie

Activity: 59

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Quote from: dyland on March 21, 2014, 08:27:31 AM

I have dualminer 2.0 (LTC only) and I can't seem to get more than three hashing on Orico 10-port hub consistently.

They are also incredibly hot to the touch.

Using the dualminer software.

Any help much appreciated.

We recommend to use a small fan to cool these miners when mining.

dyland

full member

Activity: 238

Merit: 100

We must become the pitiless censors of ourselves.

I have dualminer 2.0 (LTC only) and I can't seem to get more than three hashing on Orico 10-port hub consistently.

They are also incredibly hot to the touch.

Using the dualminer software.

Any help much appreciated.

edonkey

legendary

Activity: 1150

Merit: 1004

Quote from: dmsp on March 20, 2014, 12:47:53 AM

Please check your PM. Below is the topology I suggested for your 20 DMs. The Inside Orico P10-U2 diagram partly explained why leave one bottom port empty.

Thanks dmsp. After reconfiguring my DMs across the hubs, my rig has been stable for 48 hours. I'm happy.

Just to be clear to everyone, if you fill an Orico hub with 9 DMs, it is critical that you leave the correct port depopulated, as per CruzCoins' and dmsp's diagrams. If you depopulate the wrong port (which I did) you will see stability problems.

Thanks again for the great support!

Hektek

sr. member

Activity: 329

Merit: 250

How can i overclock with the cgminer on an raspberry ?

Thanks in advance.

best regards

Hektek

dualminer

newbie

Activity: 59

Merit: 0

Quote from: velvethammer2 on March 20, 2014, 12:50:53 AM

With your rasp pi setup...

How do we turn off dual mode ( i am seeing 2 lights on them when they are mining)

thanks

Quote from: dualminer on March 20, 2014, 12:48:47 AM

Hello, we have price promotions (based on volume purchase) of DM2 product. Please go to the 1st page of this thread for details. Thank you for interest and business.

You should see two lights on even in LTC only mode. I believe our current Pi setup is for LTC only mining.

dmsp

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One LED for LTC_Busy. The another one for Dev_Detect not for BTC status.
So two light is ok for LTC Only mining.

velvethammer2

member

Activity: 65

Merit: 10

With your rasp pi setup...

How do we turn off dual mode ( i am seeing 2 lights on them when they are mining)

thanks

Quote from: dualminer on March 20, 2014, 12:48:47 AM

Hello, we have price promotions (based on volume purchase) of DM2 product. Please go to the 1st page of this thread for details. Thank you for interest and business.

dualminer

newbie

Activity: 59

Merit: 0

Hello, we have price promotions (based on volume purchase) of DM2 product. Please go to the 1st page of this thread for details. Thank you for interest and business.

dmsp

newbie

Activity: 7

Merit: 0

Hi, edonkey

Please check your PM. Below is the topology I suggested for your 20 DMs. The Inside Orico P10-U2 diagram partly explained why leave one bottom port empty.
http://i.imgur.com/F7KYlq0.jpg

As we know, USB is a very tricky interface and has painful compatibility issues lack of unified solution and theory explanation. If we are so luck to find out a stable topology with specified hub assembly, we appreciate the hard work of test engineers and patient costumers.
How to explain it in theory is a question which we could think while we watching it running stably.
Looking forward your feedback.

-----------------
dmsp
DualMiner Support

edonkey

legendary

Activity: 1150

Merit: 1004

Quote from: edonkey on March 18, 2014, 10:04:42 AM

Quote from: edonkey on March 17, 2014, 09:11:22 AM

In the last few days, I see sporadic failures where one or more DM 2s get disabled...

Two more just failed:

Code:

 [2014-03-18 09:40:44] DM3: Comms error (rerr=-1 amt=0)
 [2014-03-18 09:40:44] DM 3 failure, disabling!
 [2014-03-18 09:40:44] Thread 3 being disabled
--
 [2014-03-18 09:41:03] DM1: Comms error (rerr=-1 amt=0)U:40.5/m          
 [2014-03-18 09:41:03] DM 1 failure, disabling!
 [2014-03-18 09:41:03] Thread 1 being disabled
--

Failed devices:

 [2014-03-18 07:11:28] DM1: Found at 1:28-i0                    
 [2014-03-18 07:11:28] DM3: Found at 1:26-i0

This time I used "lsusb -t" to list the devices before the failure and after. Here's the list from before:

Code:

/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/5p, 480M
        |__ Port 1: Dev 3, If 0, Class=vend., Driver=smsc95xx, 480M
        |__ Port 3: Dev 4, If 0, Class=hub, Driver=hub/4p, 480M
            |__ Port 4: Dev 5, If 0, Class=hub, Driver=hub/7p, 480M
                |__ Port 2: Dev 6, If 0, Class=vend., Driver=usbfs, 480M
                |__ Port 2: Dev 6, If 1, Class=vend., Driver=usbfs, 480M
                |__ Port 3: Dev 7, If 0, Class=vend., Driver=usbfs, 480M
                |__ Port 3: Dev 7, If 1, Class=vend., Driver=usbfs, 480M
                |__ Port 5: Dev 8, If 0, Class=hub, Driver=hub/4p, 480M
                    |__ Port 2: Dev 10, If 0, Class=vend., Driver=usbfs, 480M
                    |__ Port 2: Dev 10, If 1, Class=vend., Driver=usbfs, 480M
                    |__ Port 3: Dev 11, If 0, Class=vend., Driver=usbfs, 480M
                    |__ Port 3: Dev 11, If 1, Class=vend., Driver=usbfs, 480M
                    |__ Port 4: Dev 12, If 0, Class=hub, Driver=hub/7p, 480M
                        |__ Port 1: Dev 16, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 1: Dev 16, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 2: Dev 17, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 2: Dev 17, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 3: Dev 18, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 3: Dev 18, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 4: Dev 19, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 4: Dev 19, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 5: Dev 20, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 5: Dev 20, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 6: Dev 21, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 6: Dev 21, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 7: Dev 22, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 7: Dev 22, If 1, Class=vend., Driver=usbfs, 480M
                |__ Port 6: Dev 9, If 0, Class=hub, Driver=hub/4p, 480M
                    |__ Port 2: Dev 13, If 0, Class=vend., Driver=usbfs, 480M
                    |__ Port 2: Dev 13, If 1, Class=vend., Driver=usbfs, 480M
                    |__ Port 4: Dev 15, If 0, Class=hub, Driver=hub/7p, 480M
                        |__ Port 1: Dev 23, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 1: Dev 23, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 2: Dev 24, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 2: Dev 24, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 3: Dev 25, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 3: Dev 25, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 4: Dev 26, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 4: Dev 26, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 5: Dev 27, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 5: Dev 27, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 6: Dev 28, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 6: Dev 28, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 7: Dev 29, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 7: Dev 29, If 1, Class=vend., Driver=usbfs, 480M

And here's after the failure:

Code:

1-1.3.4.6.4.4:1.0: No such file or directory
1-1.3.4.6.4.4:1.1: No such file or directory
1-1.3.4.6.4.6:1.0: No such file or directory
1-1.3.4.6.4.6:1.1: No such file or directory
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/5p, 480M
        |__ Port 1: Dev 3, If 0, Class=vend., Driver=smsc95xx, 480M
        |__ Port 3: Dev 4, If 0, Class=hub, Driver=hub/4p, 480M
            |__ Port 4: Dev 5, If 0, Class=hub, Driver=hub/7p, 480M
                |__ Port 2: Dev 6, If 0, Class=vend., Driver=usbfs, 480M
                |__ Port 2: Dev 6, If 1, Class=vend., Driver=usbfs, 480M
                |__ Port 3: Dev 7, If 0, Class=vend., Driver=usbfs, 480M
                |__ Port 3: Dev 7, If 1, Class=vend., Driver=usbfs, 480M
                |__ Port 5: Dev 8, If 0, Class=hub, Driver=hub/4p, 480M
                    |__ Port 2: Dev 10, If 0, Class=vend., Driver=usbfs, 480M
                    |__ Port 2: Dev 10, If 1, Class=vend., Driver=usbfs, 480M
                    |__ Port 3: Dev 11, If 0, Class=vend., Driver=usbfs, 480M
                    |__ Port 3: Dev 11, If 1, Class=vend., Driver=usbfs, 480M
                    |__ Port 4: Dev 12, If 0, Class=hub, Driver=hub/7p, 480M
                        |__ Port 1: Dev 16, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 1: Dev 16, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 2: Dev 17, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 2: Dev 17, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 3: Dev 18, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 3: Dev 18, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 4: Dev 19, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 4: Dev 19, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 5: Dev 20, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 5: Dev 20, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 6: Dev 21, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 6: Dev 21, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 7: Dev 22, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 7: Dev 22, If 1, Class=vend., Driver=usbfs, 480M
                |__ Port 6: Dev 9, If 0, Class=hub, Driver=hub/4p, 480M
                    |__ Port 2: Dev 13, If 0, Class=vend., Driver=usbfs, 480M
                    |__ Port 2: Dev 13, If 1, Class=vend., Driver=usbfs, 480M
                    |__ Port 4: Dev 15, If 0, Class=hub, Driver=hub/7p, 480M
                        |__ Port 1: Dev 23, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 1: Dev 23, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 2: Dev 24, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 2: Dev 24, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 3: Dev 25, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 3: Dev 25, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 4: Dev 26, If 0, Class=vend., Driver=, 480M
                        |__ Port 4: Dev 26, If 1, Class=vend., Driver=, 480M
                        |__ Port 5: Dev 27, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 5: Dev 27, If 1, Class=vend., Driver=usbfs, 480M
                        |__ Port 6: Dev 28, If 0, Class=vend., Driver=, 480M
                        |__ Port 6: Dev 28, If 1, Class=vend., Driver=, 480M
                        |__ Port 7: Dev 29, If 0, Class=vend., Driver=usbfs, 480M
                        |__ Port 7: Dev 29, If 1, Class=vend., Driver=usbfs, 480M

Basically device 26 and 28 have fallen over. I'm not entirely sure how to correlate the devices that have been disabled to the physical units. However it sure seems like the failed devices are always on the same hub, and with high dev numbers.

Another oddity is how the DMs are assigned in the tree above. My physical layout is such that there's one "master" that's hooked to the Pi. The other two hubs are hooked to the master. I've got 2 DMs in the master, and 9 on each sub-hub.

So why is it that some of the DM devices (which I think are identified by "Class=vend., Driver=usbfs") appear directly on a sub-hub, and some appear to be in a hub within the hub?

Maybe the ports on the Orico hub are all the same? Some are sub-divided internally, apparently. Not sure if that's relevant or not.

I'm starting to think that maybe I should pull a DM or two from each sub-hub and plug them into the main one. But I'm just guessing here.

If anyone has any suggestions, I'd appreciate it.

ManeBjorn

legendary

Activity: 1288

Merit: 1004

That is great news.
You guys have been getting a steady supply that is a good deal.

Quote from: dualminer on March 18, 2014, 01:39:15 AM

Our on-line store received new supplies of both DM and DM 2. You could place your order in the on-line store again.

edonkey

legendary

Activity: 1150

Merit: 1004

Quote from: edonkey on March 17, 2014, 09:11:22 AM

In the last few days, I see sporadic failures where one or more DM 2s get disabled. I saw three disabled yesterday. The latest one just got disabled this morning:

Code:

[2014-03-17 06:41:28] DM0: Comms error (rerr=-1 amt=0)                    
(5s):919.5K (avg):1.362Mh/s | A:1443792  R:2288  HW:107  WU:22.2/m          
[2014-03-17 06:41:28] DM 0 failure, disabling!
[2014-03-17 06:41:28] Thread 0 being disabled
[2014-03-17 06:41:33] Submitting share a84cc765 to pool 0
[2014-03-17 06:41:28] DM 0 failure, disabling!                    
[2014-03-17 06:41:28] Thread 0 being disabled

I'm running the DM cgminer under Raspberry Pi on Orico hubs, with no more than 9 per hub. The rack is in a server closet that's kept cool. I have two USB fans (connected to a separate hub that's not connected to the Raspberry Pi) to move air through the units.

Any ideas as to how I can diagnose and fix this? Maybe there's an update to the cgminer software?

Once this happens, is there anything that I can do other than just rebooting? When I just bounce cgminer, the DMs don't necessarily come back. In fact, I just bounced cgminer and lost 6 devices.

When I woke up this morning, I found that three more DM 2s had failed. Here's the log entries (including the discovery of the USB devices, in case that helps):

Code:

[2014-03-17 07:14:02] [1;32mdualminer Detect: Test Success at 1:28-i0: get 00050cdd, should: 00050cdd[0m
[2014-03-17 07:14:02] DM1: Found at 1:28-i0
[2014-03-17 07:14:02] [1;32mdualminer Detect: Test Success at 1:27-i0: get 00050cdd, should: 00050cdd[0m
[2014-03-17 07:14:02] DM2: Found at 1:27-i0
[2014-03-17 07:14:02] [1;32mdualminer Detect: Test Success at 1:26-i0: get 00050cdd, should: 00050cdd[0m
[2014-03-17 07:14:02] DM3: Found at 1:26-i0

[2014-03-17 22:57:48] DM2: Comms error (rerr=-1 amt=0)
[2014-03-17 22:57:49] DM 2 failure, disabling!
[2014-03-17 22:57:49] Thread 2 being disabled

[2014-03-17 23:10:23] DM1: Comms error (rerr=-1 amt=0)                    
[2014-03-17 23:10:23] DM 1 failure, disabling!
[2014-03-17 23:10:23] Thread 1 being disabled

[2014-03-17 23:10:24] DM3: Comms error (rerr=-1 amt=0)
[2014-03-17 23:10:24] DM 3 failure, disabling!
[2014-03-17 23:10:24] Thread 3 being disabled

If no one has any suggestions, I'll contact DualMiner support.

dualminer

newbie

Activity: 59

Merit: 0

Our on-line store received new supplies of both DM and DM 2. You could place your order in the on-line store again.

ManeBjorn

legendary

Activity: 1288

Merit: 1004

I understand what you are saying on the lights.
The code I gave you should do the trick for your O/C though using cgminer on the pi.

Quote from: velvethammer2 on March 17, 2014, 07:47:54 PM

I was asking for raspberry pi ... specifically CruzCoins build.

the switches are in the correct position and they still have 2 lights on with rasp pi.

on the old windows gui miner they show 1 light

thanks though

Wink

Quote from: ManeBjorn on March 17, 2014, 07:41:36 PM

You turn off dual mode by switching the dip switch to L on the unit.
In the param box of the GUI you can add this line.

Code:

–dualminer -pll 850

Or directly into your cgminer bat file.
I hope it helps you out.
Happy Mining.

Quote from: velvethammer2 on March 17, 2014, 07:23:50 PM

Your guide Rocks thanks....

2 quick questions...

how do we tell them to mine at 850 ... do we just add it to the line like:
sudo ./cgminer --scrypt -o stratum+tcp://yourfavoritepool.com:3333 -u yourusername -p x -pll 850 ??

How do we turn off dual mode ( i am seeing 2 lights on them when they are mining)

thanks

Quote from: CruzCoins on March 17, 2014, 03:16:12 PM

Please just follow my guide as it would have prevented all of the errors you are encountering. Go through the guide in my signature step by step before reporting back more problems.

velvethammer2

member

Activity: 65

Merit: 10

I was asking for raspberry pi ... specifically CruzCoins build.

the switches are in the correct position and they still have 2 lights on with rasp pi.

on the old windows gui miner they show 1 light

thanks though

Wink

Quote from: ManeBjorn on March 17, 2014, 07:41:36 PM

You turn off dual mode by switching the dip switch to L on the unit.
In the param box of the GUI you can add this line.

Code:

–dualminer -pll 850

Or directly into your cgminer bat file.
I hope it helps you out.
Happy Mining.

Quote from: velvethammer2 on March 17, 2014, 07:23:50 PM

Your guide Rocks thanks....

2 quick questions...

how do we tell them to mine at 850 ... do we just add it to the line like:
sudo ./cgminer --scrypt -o stratum+tcp://yourfavoritepool.com:3333 -u yourusername -p x -pll 850 ??

How do we turn off dual mode ( i am seeing 2 lights on them when they are mining)

thanks

Quote from: CruzCoins on March 17, 2014, 03:16:12 PM

Please just follow my guide as it would have prevented all of the errors you are encountering. Go through the guide in my signature step by step before reporting back more problems.

ManeBjorn

legendary

Activity: 1288

Merit: 1004

You turn off dual mode by switching the dip switch to L on the unit.
In the param box of the GUI you can add this line.

Code:

–dualminer -pll 850

Or directly into your cgminer bat file.
I hope it helps you out.
Happy Mining.

Quote from: velvethammer2 on March 17, 2014, 07:23:50 PM

Your guide Rocks thanks....

2 quick questions...

how do we tell them to mine at 850 ... do we just add it to the line like:
sudo ./cgminer --scrypt -o stratum+tcp://yourfavoritepool.com:3333 -u yourusername -p x -pll 850 ??

How do we turn off dual mode ( i am seeing 2 lights on them when they are mining)

thanks

Quote from: CruzCoins on March 17, 2014, 03:16:12 PM

Please just follow my guide as it would have prevented all of the errors you are encountering. Go through the guide in my signature step by step before reporting back more problems.

velvethammer2

member

Activity: 65

Merit: 10

Your guide Rocks thanks....

2 quick questions...

how do we tell them to mine at 850 ... do we just add it to the line like:
sudo ./cgminer --scrypt -o stratum+tcp://yourfavoritepool.com:3333 -u yourusername -p x -pll 850 ??

How do we turn off dual mode ( i am seeing 2 lights on them when they are mining)

thanks

Quote from: CruzCoins on March 17, 2014, 03:16:12 PM

Please just follow my guide as it would have prevented all of the errors you are encountering. Go through the guide in my signature step by step before reporting back more problems.

Topic: [ANN] Introduction to DualMiner USB (could mine both BTC and LTC) - page 6. (Read 114633 times)