Atomar
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November 19, 2013, 12:48:11 PM |
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Ok. Second stick modified from pencil-mode (2.6 gh/s) to 9.1k resistor (2.4 gh/s) both on bfgminer 3.2 w/o fan ;-)
I think there is some speed left we have to find .... maybe an 100k or 130k resistor on top of the 9.1k ?!
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btmtb
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November 19, 2013, 03:37:13 PM |
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Ok. Second stick modified from pencil-mode (2.6 gh/s) to 9.1k resistor (2.4 gh/s) both on bfgminer 3.2 w/o fan ;-)
I think there is some speed left we have to find .... maybe an 100k or 130k resistor on top of the 9.1k ?!
Have you got a fan you can try, to see if your error/reject performance improves with the cooling? What temperature is the chip running at?
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Atomar
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November 19, 2013, 05:04:22 PM Last edit: November 20, 2013, 09:07:30 AM by Atomar |
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Our EE resoldered the 9.1k + 120k on top with something else. I habe to ask him tomorow, what he did. Now it is only 1 restistor.
Somehow it was faster with the pencil mod the with the resistor ... hmmm
Now at home with both connected to the RaPi AND an USB fan blowing to it the readings are:
2.482 gh/s (reject:1 / error 8.0%) 2.627 gh/s (reject:0 / error 9.6%)
But startet 30min ago.
Edit: Our EE put an 82k resistor in. Somehow strange how different the sticks react ... After 12 hr strait mining with fan the sticks are NOT hot at all !! (can't messure the temp) So we might replace the resistor on the slow stick again to gain Speed ... ;-)
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psyberwolf
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November 20, 2013, 10:48:50 AM |
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so mine seem to be making a annoying high pitch noise while mining. Its kinda quiet, but can notice it at least. is this normal? i have 7 of them.
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OleOle
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November 20, 2013, 11:43:39 AM |
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so mine seem to be making a annoying high pitch noise while mining. Its kinda quiet, but can notice it at least. is this normal? i have 7 of them.
Doesn't seem normal, my twelve are completely quiet. I'm not really sure what to think of your remark to be honest... but maybe other folks have similar experiences? ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
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Mudbankkeith
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November 20, 2013, 11:47:49 AM |
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so mine seem to be making a annoying high pitch noise while mining. Its kinda quiet, but can notice it at least. is this normal? i have 7 of them.
Doesn't seem normal, my twelve are completely quiet. I'm not really sure what to think of your remark to be honest... but maybe other folks have similar experiences? ![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif) Is it all of them or only one? Mine are silent.
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BTc donations welcome:- 13c2KuzWCaWFTXF171Zn1HrKhMYARPKv97
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Mudbankkeith
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November 20, 2013, 11:51:17 AM |
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PENCIL MOD +. Heatsink removed, swapped for a CPU hsf unit. measured at @ 29deg C R15 = 0.85 (measured at 20k) HW's = 9.89% 2.732GH/s (5s avg)
You happen to have a picture of this you can post>? Any chance of a Picture yet?
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BTc donations welcome:- 13c2KuzWCaWFTXF171Zn1HrKhMYARPKv97
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Atomar
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November 20, 2013, 12:07:36 PM |
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I think I'm to old to hear that high pitch noise ;-) But I would say, mine are quiet to. Thinks the fan makes more noise ....
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Atomar
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 20, 2013, 04:06:56 PM |
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OK. Done playing with resistors. Have to make some Money :-) I am "happy" with the result.
1 with 91k is minig with 2.622 Mh/s 1 with 72k is minig with 2.528 Mh/s
Operating only WITH fan now.
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ineedit
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November 20, 2013, 07:00:22 PM |
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If I hold the a blue fury with the USB connector pointing up and look at the fury chip there are tags to the top, left and bottom that have solder loops joining some of the tags but no tags on the right hand side joined together. No blue fury that I have has the same set of tags joined by solder.
Can someone please confirm that the tags for the top, left and bottom are all joined together on the board and the tags make no difference?
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If I have been help then please show your thanks BTC: 127PRogAVZiV3fEmpJERh9KemK3a3Ffh6G LTC: LXghFL8mZffpTFkm2nRTesuDrV5DJQP3Js
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HellDiverUK
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 20, 2013, 07:34:11 PM |
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If I hold the a blue fury with the USB connector pointing up and look at the fury chip there are tags to the top, left and bottom that have solder loops joining some of the tags but no tags on the right hand side joined together. No blue fury that I have has the same set of tags joined by solder.
Can someone please confirm that the tags for the top, left and bottom are all joined together on the board and the tags make no difference?
The one that died on me had all the legs on the left hand side connected together...but then again it looks like they're all ground plane anyway. It's death may or may not be related.
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mchu168
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November 20, 2013, 07:44:29 PM |
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Any update on Bitminter miner support with these? Would help us noobies out here. thx!
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btmtb
Sr. Member
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November 20, 2013, 08:12:08 PM |
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PENCIL MOD +. Heatsink removed, swapped for a CPU hsf unit. measured at @ 29deg C R15 = 0.85 (measured at 20k) HW's = 9.89% 2.732GH/s (5s avg)
You happen to have a picture of this you can post>? Any chance of a Picture yet? Sorry for the delay, I've edited my post above showing my mod to my test unit, let me know if it's any help.
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ineedit
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 20, 2013, 09:24:12 PM |
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If I hold the a blue fury with the USB connector pointing up and look at the fury chip there are tags to the top, left and bottom that have solder loops joining some of the tags but no tags on the right hand side joined together. No blue fury that I have has the same set of tags joined by solder.
Can someone please confirm that the tags for the top, left and bottom are all joined together on the board and the tags make no difference?
The one that died on me had all the legs on the left hand side connected together...but then again it looks like they're all ground plane anyway. It's death may or may not be related. Thanks for the info, I think that they are all joined together but it would be nice to know for certain although it does not seem to affect the operation.
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If I have been help then please show your thanks BTC: 127PRogAVZiV3fEmpJERh9KemK3a3Ffh6G LTC: LXghFL8mZffpTFkm2nRTesuDrV5DJQP3Js
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LockUnlock
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November 20, 2013, 11:02:51 PM |
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Anyone else noticed that sometimes the LED's on the Blues just blink red on and off but sometimes they light up alternate yellow > orange > red and don't blink at all?
It doesn't make any difference to the hashing speed, just wondered why this was
I know in BGFMiner you can toggle an identify switch, which switches the miner from showing the yellow LED on or off, personally i prefer it off with a red flash for accepted work. Where can I access the toggle?
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Taugeran
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![](https://bitcointalk.org/Themes/custom1/images/post/xx.gif) |
November 21, 2013, 01:39:19 AM |
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Anyone else noticed that sometimes the LED's on the Blues just blink red on and off but sometimes they light up alternate yellow > orange > red and don't blink at all?
It doesn't make any difference to the hashing speed, just wondered why this was
I know in BGFMiner you can toggle an identify switch, which switches the miner from showing the yellow LED on or off, personally i prefer it off with a red flash for accepted work. Where can I access the toggle? [M]anage device up/down arrows to the device in question [I]dentify
this will toggle the light red to orange or vice versa
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LockUnlock
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November 21, 2013, 02:54:39 AM |
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Anyone else noticed that sometimes the LED's on the Blues just blink red on and off but sometimes they light up alternate yellow > orange > red and don't blink at all?
It doesn't make any difference to the hashing speed, just wondered why this was
I know in BGFMiner you can toggle an identify switch, which switches the miner from showing the yellow LED on or off, personally i prefer it off with a red flash for accepted work. Where can I access the toggle? [M]anage device up/down arrows to the device in question [I]dentify
this will toggle the light red to orange or vice versa
Thanks Taugeran! Seems like there are only two options on the Red Fury, red only or red and yellow indicators.
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Atomar
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November 21, 2013, 05:42:53 AM |
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eRRoRist
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November 21, 2013, 06:04:03 AM |
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Is a certain amount of hardware error acceptable? What actually happens when there is a hardware error? I'm using CGminer 3.8.2 on a Win 7 PC. All miners are directly connected to a USB port not using a hub. This is what I'm getting, speed don't seem to be that great too. https://i.imgur.com/R0Eb8gc.jpg
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