<p>I had the same error "Bmsc recv golden nonce timeout" after to try Windows10 Install. So I reinstall Zadig drivers, and reconect my U3. So works fine again.
I dont know if is your case, but:</p>

<p>To reinstall your Zadig (<a href="http://zadig.akeo.ie/" rel="nofollow">http://zadig.akeo.ie/</a>):
1) choose Options | List All Devices
2) Select CP2102 USB..
3) Choose "Replace Driver"</p>

CC BY-SA 3.0
2016-06-13T21:51:39.367Z
2016-06-13T23:46:56.243Z
2016-06-13T23:46:56.243Z
Roberto
<p>I've got other Antminers working, this one just throws these errors in debug mode - is this fixable?  </p>

<pre><code>[2014-01-30 19:03:10] Bmsc send golden nonce
[2014-01-30 19:03:10] ANT0: GetResults (amt=0 err=-7 ern=110)
[2014-01-30 19:03:10] Bmsc Read: No data for 101 ms
[2014-01-30 19:03:10] Bmsc recv golden nonce timeout
[2014-01-30 19:03:10] USB uninit ANT0
[2014-01-30 19:03:10] USB free ANT
[2014-01-30 19:03:10] USB unlock Bitmain 1-5
[2014-01-30 19:03:10] RES: Bitmain (1:5) lock=0
[2014-01-30 19:03:10] USB res unlock Bitmain 1-5
[2014-01-30 19:03:10] BTM looking for ANT 10c4:ea60 but found 0e0f:0003 instead
[2014-01-30 19:03:10] BTM looking for ANT 10c4:ea60 but found 0e0f:0002 instead
[2014-01-30 19:03:10] BTM looking for ANT 10c4:ea60 but found 1d6b:0002 instead
</code></pre>

<p>I'm running cgminer 3.9.0 from the fractal branch, though all the versions that support the antminer-u1 seem to have the same results, so I don't think it's necessarily the miner software.  I'm running with these options to underclock:</p>

<pre><code>--bmsc-options 115200:20  --bmsc-freq 0681 -D
</code></pre>

<asic><cgminer>
Problems with Antminer U1 - why doesn't it work?
Daniel Ness
# Problems with Antminer U1 - why doesn't it work?

(Asked by: username_0 on 2014-01-31)

I've got other Antminers working, this one just throws these errors in debug mode - is this fixable?

```
[2014-01-30 19:03:10] Bmsc send golden nonce
[2014-01-30 19:03:10] ANT0: GetResults (amt=0 err=-7 ern=110)
[2014-01-30 19:03:10] Bmsc Read: No data for 101 ms
[2014-01-30 19:03:10] Bmsc recv golden nonce timeout
[2014-01-30 19:03:10] USB uninit ANT0
[2014-01-30 19:03:10] USB free ANT
[2014-01-30 19:03:10] USB unlock Bitmain 1-5
[2014-01-30 19:03:10] RES: Bitmain (1:5) lock=0
[2014-01-30 19:03:10] USB res unlock Bitmain 1-5
[2014-01-30 19:03:10] BTM looking for ANT 10c4:ea60 but found 0e0f:0003 instead
[2014-01-30 19:03:10] BTM looking for ANT 10c4:ea60 but found 0e0f:0002 instead
[2014-01-30 19:03:10] BTM looking for ANT 10c4:ea60 but found 1d6b:0002 instead

```

I'm running cgminer 3.9.0 from the fractal branch, though all the versions that support the antminer-u1 seem to have the same results, so I don't think it's necessarily the miner software. I'm running with these options to underclock:

```
--bmsc-options 115200:20  --bmsc-freq 0681 -D

```

**Tags:** asic, cgminer


---

## 1 answers

### Answer by username_1 on 2016-06-13. Score: 0

I had the same error "Bmsc recv golden nonce timeout" after to try Windows10 Install. So I reinstall Zadig drivers, and reconect my U3. So works fine again.
I dont know if is your case, but:

To reinstall your Zadig (<http://zadig.akeo.ie/>):
1) choose Options | List All Devices
2) Select CP2102 USB..
3) Choose "Replace Driver"


---

