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Help needed with redudant power supplies (HP/Dell/etc.)

post #1 of 7
Thread Starter 
Sup guys, I don't have any experience with this kind of hardware so it would be amazing if someone here can give me some infos before I spend my money on something that won't work at all biggrin.gif

Basically my idea was to get a redundant power supply backplane with a couple related power supplies, which I know are compatible (was especially eyeing a couple HP models but also Dell eventually). These come from disassembled servers, I think the one I was looking at was maybe for a DL180 gen6? I can look again if the exact model of the server and components is important.

Rewiring cables to ATX spec is no big deal for me, actually a very interesting project.
What I'm concerned with though are two cables that I noticed in the pictures and were referred to in the manual as "EFF cable" and "RPS cable".

Of course, having a standard consumer motherboard and not an HP one means that I can't connect these - which I believe are for the monitoring, the psu failure alarms, and for tweaking load balancing and all the various settings through the bios.

Now, what happens if I DON'T plug these in? Will the backplane still work? And how?

If anyone can test this, has tried this or has any clue on how it could work it would be incredibly appreciated thumb.gifthumb.gifthumb.gif
     
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post #2 of 7
By any chance, do you have a model number for the PSU itself, or are you just trying to plan ahead?

The cables you mentioned are not familiar to me and when I tried doing a bit of research, I am getting a plethora of unrelated information.
     
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post #3 of 7
Thread Starter 
I am doing some ahead research but I have the model number of both the backplane and the psu's I am eyeing:

Backplane: 519200-001, for a HP DL180 G6
PSUs: 511778-001 HP common slot

Considering that I'm planning to buy 2 backplanes and 4 PSUs, as cheap as they are it would still be 200+€ for me. Not worth risking that amount of money only to find out that the stuff is completely unusable (and very difficult to re-sell tongue.gif )
     
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post #4 of 7
I'm curious as to what you're trying to achieve? Is there any reason you wouldn't just look at a used server case that already has dual PSU's and outputs for standard motherboards (supermicro cases come to mind).
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post #5 of 7
Quote:
Originally Posted by mbreitba View Post

I'm curious as to what you're trying to achieve? Is there any reason you wouldn't just look at a used server case that already has dual PSU's and outputs for standard motherboards (supermicro cases come to mind).

 

Indeed something like this maybe: http://www.newegg.com/Product/Product.aspx?Item=N82E16817151135

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post #6 of 7
Thread Starter 
As you can see that's 350€ only for a single set, and I'm looking at buying dual sets or a single one of 1200w.
That gets expensive AS HELL.

While spare parts for old but not too old workstations/servers are incredibly cheap, specially HP stuff for some reason. The only reason I went with sets of 750W gold psus is because I wasn't able to find a compatible backplane for the 1200W platinum ones which are not too more costly.

Also, it's an interesting project thumb.gif
     
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post #7 of 7
But what exactly are you powering? Single server? Multiple servers? Not a server at all and some other 12V/5V item?

Something like this gets you dual PSU's (900watt) a bunch of drive sleds, a SAS backplane, and standard server board mounts...
http://www.ebay.com/itm/SUPERMICRO-4U-24-BAY-846E1-R900B-BAREBONE-SERVER-CHASSIS-WITH-24x-TRAYS-/172315518085?hash=item281ece2485:g:z1QAAOSwq19XB8Qf
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