Antminer S1 Installation guide

Last updated: 12/15/2013
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AntMiner FAQ
Q: How to reset antMiner to the default state?
A: S2 is the reset button in the second version of control board, but there is no reset button in the
first version of control board. If AntMiner has to be reset, please follow these steps.
Step 1: Set your PC’s IP address as 192.168.2.x or 192.168.1.x, and then connect AntMiner with
your PC via a network cable.
Step2: Power on AntMiner for a while when it is in the normal state. The WAN LED should be light.
Step3: For the second version of control board, please press button S2 for more than 3 seconds.
For the first version of control board, please short the RESET PIN to 3.3V as the following picture
for more than 3 seconds.
Step4: Re-power antMiner. Ping 192.168.2.99 or 192.168.1.99. Note: from the version 20131212
of openwrt, the default IP is 192.168.1.99
Figure 1 Second batch of control board

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Figure 2 First batch of control board
Q: How to fix Network Time Protocol daemon (NTPD) Error?
Error: In some special network environment, NTPD server can’t be accessed and it is failed to start
cgminer. More information can be found at “Status -> System Log” tab.
A:
Step1: Modify /etc/init.d/cgminer as following to disable the NTPD detect for cgminer

Last updated: 12/15/2013
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Step2: Disable NTPD client for linux.
Step3: Re-power AntMiner.
Q: How to change the clock frequency of AntMiner?
Freqency (MHz)
ASIC hash rate (GHz)
ASIC Hex Value
Timeout for 32-chip chain
(ms)
150
1.2
0581
94
175
1.4
0681
80
200
1.6
0781
70
225
1.8
0881
63
250
2.0
0981
56

Last updated: 12/15/2013
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275
2.2
0A81
51
300
2.4
0B81
47
325
2.6
4C81
43
350
2.8
4D81
40
375
3.0
4E81
38
400
3.2
4F81
35
425
3.4
5081
33
450
3.6
5181
31
475
3.8
5281
30
500
4.0
5381
28