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Title: 3 out of 4 GPUs mining slowly Post by: transposon on January 17, 2014, 09:36:24 PM I have a MSI Z77A-G45 with a ivybridge celeron.
There are 4 7950s connected. When I start hashing all of the cards go up to around 640 kh/s. Then all of the the cards except for the primary (the first x16 slot) start falling and settle to around 580kh/s. Any Ideas whats going on? Could it have something to do with PCI latency or some power saving mode? |