Alternative cgminer 3.7.2 for Scrypt Mining on Gridseed 5-chip GC3355 ASICs

22 Mar
2014

cgminer-3-7-2-gridseed-windows-alt

There is a new fork of cgminer for the Gridseed 5-chip GC3355 ASIC devices that we have compiled for windows (source) that you can download below, it is based on the previous version by dbartle, but adds some useful extra functions for people with multiple ASICs. You get to set the operating frequencies of the ASIC at a smaller steps from 700 to 1088 MHz, below is the full list of supported frequencies:

700, 706, 713, 719, 725, 731, 738, 744, 750, 756, 763, 769, 775, 781, 788, 794, 800, 813, 825, 838, 850, 863, 875, 888, 900, 913, 925, 938, 950, 963, 975, 988, 1000, 1013, 1025, 1038, 1050, 1063, 1075, 1088.

Also you are able to set different operating frequency for each device by giving the devices’ serial number and operating frequency, below is an example:

--gridseed-freq 6D9426984857=988,6D9656774857=975,6D8956965251=975

This can help you maximize the hashrate that you get from all of the devices you have, though it will need some time to figure out what is the best frequency for each of your ASICs. You can normally see the serial number of a device after the GSD X, this also works with both the newer and older revisions, the only difference is the serial number you will see (0001 for the older vs something like 6D8956965251 for the newer devices). Note that you should be able to set a general frequency and only change some of the miners operating frequency with their serials.

You can download cgminer 3.7.2 ALT for Gridseed ASICs on Windows OS here…



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5 Responses to Alternative cgminer 3.7.2 for Scrypt Mining on Gridseed 5-chip GC3355 ASICs

ccallstar

March 24th, 2014 at 03:01

This doesn’t seem to work at all. –gridseed-freq: unrecognized option

Am I messing something?

Could you please provide a sample of a working config?

admin

March 24th, 2014 at 10:07

Make sure you use double dashes in front of the parameter in the command line, not a single one.

Devin

March 27th, 2014 at 01:05

I installed VCP, ran zadig, installed cgminer 3.7.2 for gridseed. CGminer said hashing around 350kh, but did not accept any work. The default 975 was getting HW errors at 33 in just ten minutes or so. So I set to 800 and it accepted work right away. Hashing at 340 so sounds fine for now.

wabbit313

March 27th, 2014 at 05:04

I have managed to compile your source for RPi, however, after running a while, I get paging error.

I am using the Gold GS. Frequency tested 850, 900, 950Mhz.

I have increase the swapfile size from 100MB to 256MB to see if I still get the paging error on my Raspberry Pi.

Karl D

November 25th, 2014 at 14:17

Hi, how do I run cgminer for a specific gridseed device? I have 2 gridseed 5 chips. GSD 0 and GSD 1 appears, how do I cgminer to run GSD 0 on one pool, and cgminer GSD 1 on another pool? I have cgminer 3.7.2 downloaded and already tried -d 0, -d 1 doesn’t work. Thanks

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