I'm having PSU problems. I'm trying to use a new Seasonic Platinum 1000 to run 2 cubes. The PSU is spec'd at 83A on the +12V rail (more than enough).
After power on (via paperclip) the cubes (at low clock) turn on but then when the relays click (a second or so later) the PSU shuts down. Removing the paperclip and adding it back results in the exact same behavior.
If I power the cubes individually, it works fine. Killawatt draw shows to be normal (220W on low clock) for both of them. PSU can power either one at high clock just fine as well.
Any thoughts? Seems like there is an initial rush of current that trips the PSU's overcurrent protection. I'm using heavy duty 6pin PCI-E cables that came with the PSU (2 per cube, so 4 total). PSU is supposed to have a shared +12V rail.
Interesting. As you say 12V rail is perfectly fine, and it powers one cube fine. Initial non mining power draw is only ~80W as well.
Unfortunately some of these larger PSUs have random technologies we don't particularly understand that are used to 'protect' us. While we don't know what is going on here, another example is an Enermax maxrevo 1500W I have. If it doesn't detect SOME power draw on 3.3v and 5v - it won't boot at all and so I can't use it to power 12V devices only. In an Avalon its perfectly happy though.
For now we obviously need to get you mining as that's $30 a day, so it might be worth just buying another PSU.
