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Posts Tagged ‘cpuminer fixed power usage’

Download cpuminer OC Edition for Gridseed 5-chip GC3355 ASICs

5, Mar 2014

cpuminer-gc3355-win32-fixed-oc-edition

A few days ago we have published a version compiled for windows of the cpuminer for the 5-chip Gridseed ASICs that fixed the power consumption when using the devices for Scrypt mining only (6-8W power consumption). This version has allowed the user to set the operating frequency of the chips inside up to 900 MHz and our unit seem to work best at 850 MHz as at 900 MHz is seems to have more HW errors. That however did not stop us from modifying the cpuminer to allow for even higher operating frequencies of the Gridchip GC3355 processors, so now we release an OC Edition of the cpuminer that will allow you to go all the way up to 1200 MHz operating frequency.

The OVERCLOCK EDITION we have made allows you to go for higher operating frequency above 900 MHz – you can try running the chips at 950, 1000, 1100 and 1200 (use the –freq=xxx command line parameter to set these frequencies). We have found our test miner to perform best with 850 MHz, however yours might be able to function at higher frequency without problems (many HW errors), so you might want to try higher than 900 MHz all the way up to 1200. At 1000 MHz the device consumes about 9W and at 1200 MHz the power consumption might go as high as 10W, so there should be no problem with the cooling, however the chips might not be able to run well at so high frequencies and can give more or only HW errors.

– You can download the cpuminer OC Edition for the 5-chip GC3355 ASICs for Windows OS here…

Download cpuminer for Gridseed 5-chip GC3355 ASICs with Reduced Power Usage

2, Mar 2014

cpuminer-for-gridseed-5-chip-asic-fixed-power-usage

In our recently published first impressions from the Gridseed 5-chip Scrypt ASIC devices we have mentioned that with the provided cpuminer mining software the power consumption of these devices will remain high (up to 60W) even when only mining Scrypt cryptos. Normally the power consumption for scrypt mining with these devices should be about 6-8W, but it seems that the originally provided mining software had an issue. Gridseed have apparently provided an updated cpuminer, however only as a source that you needed to compile and there was no version available for Windows, so we have spent some time and efforts in order to compile the fixed version and provide you with a downloadable executable for Windows.

gridseed-5-chip-scrypt-asic-fixed-power-usage

As you can see after starting the new fixed version of cpuminer on our 5-chip Gridseed CG3355 ASIC device we now have 8W of power consumption instead of the 56W that we previously had with the older version of the cpuminer software. So if yo are using the older version, then you should update immediately to the new one as it will significantly reduce the power usage of the device to the promised level for Scrypt mining. Note that this reduction in power usage may also help you get slightly higher overclock, though such is not guaranteed. Note that we have compiled and provide you with a downloadable version of the fixed cpuminer for Windows only, use the link below to get it.

– You can download the fixed cpuminer for the 5-chip GC3355 ASICs for Windows OS here…


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