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Title: Antminer S1 overclocking Post by: Mortimer452 on March 15, 2014, 02:04:50 AM I know how to overclock the Antminer S1, just looking for some folks to chime in with "real-world" experience.
How stable is the overclocked Antminer S1? I've heard plenty of folks say they were able to get 200GH or maybe more, but never hear back from them in terms of how well it worked longer-term or whether they ended up toasting their antminer after running overclocked for 2 weeks. I'm very tempted to do this for 10-15% hash increase, but don't want to burn up my Ants. Title: Re: Antminer S1 overclocking Post by: crazyates on March 15, 2014, 03:36:27 AM We're running all of our Ants at 393mhz, which brings them just over 200GH/s. We slid the blue/yellow pins out of the back fan, so it's running @ 100%. Then we added a second fan up front, which is also running @ 100%. Temps are in the high 30s on almost all of our Ants, with some in the low 40s.
Haven't had any issues to date. Title: Re: Antminer S1 overclocking Post by: Mortimer452 on March 15, 2014, 04:26:16 AM We're running all of our Ants at 393mhz, which brings them just over 200GH/s. We slid the blue/yellow pins out of the back fan, so it's running @ 100%. Then we added a second fan up front, which is also running @ 100%. Temps are in the high 30s on almost all of our Ants, with some in the low 40s. Haven't had any issues to date. That's very good to know, thanks! Do you know about how many watts each unit is pulling at 393Mhz? I have a 1200W PSU running two S1's right now, not sure if it will handle a 3rd if overclocked. Title: Re: Antminer S1 overclocking Post by: CCG on March 16, 2014, 02:41:27 AM Overclocking should push your S1 up to about 5 amps. We run 4 S1's on a 20Amp Breaker and use (8) 550w 25a power supply for stability. We overclock 1 miner in this configure to stay just under the amps needed to pop the breaker.
Title: Re: Antminer S1 overclocking Post by: crazyates on March 16, 2014, 06:02:47 PM We're running all of our Ants at 393mhz, which brings them just over 200GH/s. We slid the blue/yellow pins out of the back fan, so it's running @ 100%. Then we added a second fan up front, which is also running @ 100%. Temps are in the high 30s on almost all of our Ants, with some in the low 40s. That's very good to know, thanks! Do you know about how many watts each unit is pulling at 393Mhz? I have a 1200W PSU running two S1's right now, not sure if it will handle a 3rd if overclocked.Haven't had any issues to date. When we put 8 of them on a 208v 92% server PSU, they pull right around 16.5A for 8 of them (measured from the PDU). 16.5*208=3432/8=429*0.92=395 So 429W from the wall, and 395W from the PSU. Title: Re: Antminer S1 overclocking Post by: rausvi15 on April 01, 2014, 03:17:05 PM enyone try to overclock more than 400Mhz ?? what happend if speed up to 500Mhz ??
Title: Re: Antminer S1 overclocking Post by: allcoinminer on June 04, 2014, 07:37:33 PM We're running all of our Ants at 393mhz, which brings them just over 200GH/s. We slid the blue/yellow pins out of the back fan, so it's running @ 100%. Then we added a second fan up front, which is also running @ 100%. Temps are in the high 30s on almost all of our Ants, with some in the low 40s. Haven't had any issues to date. Its 393Mhz or 393.75Mhz ? What's your chip timeout and hex? |