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Topic: Antminer V9 4TH (Read 19995 times)

brand new
Activity: 0
Merit: 0
April 23, 2020, 10:18:31 AM
good Wink Smiley
sr. member
Activity: 446
Merit: 347
April 07, 2020, 05:33:25 AM
hum ... V9 = S7 (remasterised)

totaly simply ! so, of corse, no AB
newbie
Activity: 42
Merit: 0
April 03, 2020, 06:53:55 PM
The V9 boards dont overclock that well unless you want to pull a lot of Watts from the wall and use proper cooling.
Not even AB is going to solve that....i dont think Bitmain released any firmware builds that has AB enabled anyway....
hero member
Activity: 1220
Merit: 612
OGRaccoon
March 30, 2020, 12:27:06 PM
I would be wary of running the V9 at 5th you might find the boards get too hot so keep your eyes on the temps

V9's should be in the range

Chips 30 - 70 MAX
PCB max. 80
newbie
Activity: 20
Merit: 4
March 30, 2020, 09:47:07 AM
hi
can i overclock antminer v9 Huh

please guid me.....
thanks



I increased the frequency in v9 miners
And the Hash rates went up by 5 th/s

http://uupload.ir/files/ffar_v9_test_1.jpg

A few trahash can be overclocked?HuhHuh
newbie
Activity: 29
Merit: 0
September 26, 2019, 02:23:56 AM
I have an unusual situation.  Free power with rent as a deal with the landlord. So I picked up a T9+ but the controller quit from a mishap with oil cooling that turned conductive.  (no leds, no response on ipscan, intermittent, then dead).  However, my friend has a new in box V9.  Is it possible to reflash a V9 board to utilize the 3 good hash boards I have on the T9+ ?
I probed the T9+ board to discover that it's not a complete circuit anymore near the cpu itself. Only partially some of the circuits are live on a logic probe.

So the question is, these controller boards have six sockets for hash boards, how do they know which chips are on them, programmed beforehand? If so, then one would assume that you can flash the board for the correct hash boards attached. I'm more familiar with BIOS updates on motherboards from Intel, gpus, and not sure about the architecture driving these hash boards. ?
hero member
Activity: 1220
Merit: 612
OGRaccoon
December 04, 2018, 07:44:23 AM
hello

does anyone have an old V9 that they are breaking for parts? i need some cables and the controller board

zac

I have 10 available PM me.

can see my topics here.

https://bitcointalksearch.org/topic/m.48441085
newbie
Activity: 114
Merit: 0
December 03, 2018, 01:19:07 PM
hello

does anyone have an old V9 that they are breaking for parts? i need some cables and the controller board

zac
hero member
Activity: 1220
Merit: 612
OGRaccoon
November 08, 2018, 09:01:50 PM
anyone else having issue with no best share showing and no nonce values on the GUI of the V9's
I have a load of then and none ever show the best share I have updated them with the firmware from bitmain site but still nothing.
legendary
Activity: 2464
Merit: 1710
Electrical engineer. Mining since 2014.
November 04, 2018, 05:53:03 PM
Sounds good. Should be a better choice than a new V9 hash board.
newbie
Activity: 114
Merit: 0
November 04, 2018, 05:05:55 AM
Yeah, but you can get more hash rate with the same money.
https://www.cryptouniverse.at/shop/avalonminer-741-up-to-8th-s-august/

Ofc you also need Rasp Pi and power supply with this, but still something to think about.

Oh! I did not even know about These! Thank you. I have a couple of my own rasp Pi. So presumably if I do some research I can use my own rather than buy theirs.

Brilliant. Thanks a lot.



Just ordered a couple. They are good value.  I reckon 6 months for ROI. Just need to dig out the old raspberry Pi's now
legendary
Activity: 2464
Merit: 1710
Electrical engineer. Mining since 2014.
November 04, 2018, 04:38:09 AM
Yeah, but you can get more hash rate with the same money.
https://www.cryptouniverse.at/shop/avalonminer-741-up-to-8th-s-august/


Ofc you also need Rasp Pi and power supply with this, but still something to think about.
newbie
Activity: 114
Merit: 0
November 04, 2018, 04:30:06 AM
If you know how to do board level repairs, you can try.
But I guess you don't necessarily have experience and tools for that.

You also might want to think if it makes sense to buy a new hash board. 60GBP is a high price if you think about how unefficient this V9 miner is.

Yes I hear ya. Woulndt bother at all with the V9s if I didn't get free elec for them.  Wink
legendary
Activity: 2464
Merit: 1710
Electrical engineer. Mining since 2014.
November 04, 2018, 04:22:57 AM
If you know how to do board level repairs, you can try.
But I guess you don't necessarily have experience and tools for that.

You also might want to think if it makes sense to buy a new hash board. 60GBP is a high price if you think about how unefficient this V9 miner is.
newbie
Activity: 114
Merit: 0
November 04, 2018, 04:19:44 AM
You need to replace that faulty hash board (Chain #2).

Is your warranty still valid?

Hiya

I guessing the warranty is 12 months so this miner is just over that.
I see on eBay boards for about £60. So I'll just get one of those I think.
Looks simple enough to replace.  
But in your experience once they fail like this they're not fixable?
legendary
Activity: 2464
Merit: 1710
Electrical engineer. Mining since 2014.
November 03, 2018, 06:20:19 PM
You need to replace that faulty hash board (Chain #2).

Is your warranty still valid?
newbie
Activity: 114
Merit: 0
November 03, 2018, 04:51:00 PM
hello everyone,

i have a problem with my V9. it looks like i have a board down. does anyone know what is should do first please?

Code:
Chain# ASIC# Frequency GH/S(RT) HW Temp(PCB) ASIC status
1          45           600 1331.74 1 79 oooooooo oooooooo oooooooo oooooooo oooooooo ooooo
2          45           600 0.00 84,263 36 xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx xxxxxxxx xxxxx
3          45           600 1261.65 1 73 oooooooo oooooooo oooooooo oooooooo oooooooo ooooo
copper member
Activity: 18
Merit: 0
Coming for the game
August 20, 2018, 08:48:23 AM
Great topic I have 10 of then V9's  upgraded from s3's as a home miner but found quickley that I could not run them dew to the noise
I am currently looking to find suitable premisis to house the miners.

I noticed the firmware has changed and no longer do we have as many options in the gui from say the s3's.

What is everyones take on the clocking of them?  
Has anyone tested and found any sweet spots for the power/ hash
member
Activity: 93
Merit: 11
July 28, 2018, 09:59:32 AM
Anyone lose a hash board on one of these yet?

Lost one last night and no doubt due to the recent and ongoing heat

Not worth sending back to Bitmain as I have $175 into the machine

Options:
1) Leave it in unplugged, maintain air flow as designed
2) Remove and look for obvious sign of failure, bad cap, etc
3) Purchase new spare for $135 and keep for parts machine, fan's hash boards, etc

Being old tech in design, might be better to leave as is and let it run itself down
I don't have a rework station or other higher end gear/experience  so not an option either
member
Activity: 93
Merit: 11
July 26, 2018, 12:00:36 PM
This saved my bacon with a V9 today when my password no longer worked

https://bitcointalksearch.org/topic/antminer-t9-or-v9-how-to-use-software-on-bitmain-site-to-recover-control-board-3314603

The timing noted for resetting is very important

My Antminer's IP changed also upon the reset

I'm assuming the reset button does work on some V9's, hopefully most

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