Hello,
A small question about this 1600W power.
I have one of my S9i that has a card out of order, so I unplugged it.
If I leave the Braiins OS+ configuration on 1600W, will I have a maximum of 800W in each card or will the software automatically calculate to put only 533W per card?
A small question about this 1600W power.
I have one of my S9i that has a card out of order, so I unplugged it.
If I leave the Braiins OS+ configuration on 1600W, will I have a maximum of 800W in each card or will the software automatically calculate to put only 533W per card?
No it doesn't. Braiins OS+ delivers 1/3 of the power limit value you specify to each hashboard, doesn't matter if you have 3, 2 or 1 there is no need to change this value when you disable or remove hashboards.
Do not run PSUs near their max rated capacity. The Bitmain documentation for the APW3++ clearly states that efficiency drops hard after 93.5% load, this means 1496W. The default in Braiins OS is 1420W (473W or slightly less per hashboard) which leaves some safety margin. The miners tend to be more efficient with lower values, such as 1320W if you want to match stock firmware and yet produce better results at the same power use. Many people go even lower to about 900W (300W per hashboard) which even lets them use 110v and remove one fan.
BTW: In Braiins OS you can disable hashboards without the need to unplug them, just disable it in Miner > Configuration, at the Override Global Hash Chains sections the "Enable" check boxes.
