Bitcoin Forum

Other => CPU/GPU Bitcoin mining hardware => Topic started by: Meatball on July 28, 2011, 01:57:39 AM



Title: Run 3 PSU's on one Machine...
Post by: Meatball on July 28, 2011, 01:57:39 AM
Saw this today over at HardOCP (http://www.hardocp.com/news/2011/07/27/how_to_use_three_psus_in_one_system/).

http://www.youtube.com/watch?v=WsWdOMbQF94 (http://www.youtube.com/watch?v=WsWdOMbQF94)

Looks interesting, though they're a bit expensive (about $20 each) compared to some other options out there like just shorting out pins (http://www.directron.com/2powersupplies.html) or cable adapters.  Still nifty though.


Title: Re: Run 3 PSU's on one Machine...
Post by: marvinmartian on July 28, 2011, 02:56:31 AM
Saw this today over at HardOCP (http://www.hardocp.com/news/2011/07/27/how_to_use_three_psus_in_one_system/).

http://www.youtube.com/watch?v=WsWdOMbQF94 (http://www.youtube.com/watch?v=WsWdOMbQF94)

Looks interesting, though they're a bit expensive (about $20 each) compared to some other options out there like just shorting out pins (http://www.directron.com/2powersupplies.html) or cable adapters.  Still nifty though.

Why not just connect the green and black wires on each power supply?  They can be daisy chained afaik.  I've only had need to try it with two so far.  $20 for an adapter cable is steep.  Decent 500w power supplies can be had for just shy of double that.


Title: Re: Run 3 PSU's on one Machine...
Post by: BkkCoins on July 28, 2011, 03:11:26 AM
Since it uses a relay to trigger the power up of the second supply based on power on the first - I wonder what the delay is like? It will bring up second supplies only after first has reached high enough voltage to switch the relay.

I tend to think that jumping green wires is a better approach but this method, though more costly, is a quicker way to setup.


Title: Re: Run 3 PSU's on one Machine...
Post by: Xephan on July 28, 2011, 03:57:06 AM
Since it uses a relay to trigger the power up of the second supply based on power on the first - I wonder what the delay is like? It will bring up second supplies only after first has reached high enough voltage to switch the relay.

I tend to think that jumping green wires is a better approach but this method, though more costly, is a quicker way to setup.

I'm going to bet that most people will be able to setup jumpered green wires in the few days it takes to order an adapter and wait for it to get shipped :D


Title: Re: Run 3 PSU's on one Machine...
Post by: kano on July 28, 2011, 04:00:26 AM
... as I mentioned http://forum.bitcoin.org/index.php?topic=32439.0  :)

also it only took me half an hour to search through my junk and find some pins, solder them together and then put it all together
Remember to power on the cards before the CPU ...