only changing boards necessary?
what about the soft running the s5? will it accept the new boards?
very interested

Update/upgrade Antminer s5, boards with BitFury chips
We would like to offer boards with BitFury chips 16nm to replace / upgrade Antminer S5
Specifications
Algorithm: SHA-256
Hashrate: 5 Th / s
Power Consumption: 550Watt
Power Efficiency: 0.11 w / ghash
Shipping out date: starting may 2016
Cost: reference to cost of terahash bitmain S7 minus 5%.