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Topic: Server Power Supply Interface Board - for standalone miners and GPU rigs - page 19. (Read 120730 times)

sr. member
Activity: 293
Merit: 261
Professional Ameteur
Do-want schematics.
member
Activity: 98
Merit: 10
Payment sent, sidehack!  Lemme know if you need any more info.

Thanks again.
full member
Activity: 238
Merit: 100
Not really. Someone already posted where the current share pin was on the supply, and it's also broken out to a header pin on my board. If you want to parallel multiple supplies, as far as I know all that is required is to put them on a common bus (hook the ground and 12V together) and then tie the current share pins together. The rest is internal, it should "just work".

One more tidbit for those wishing to do some more research.
They are also designed to be hot swappable in a redundant setup, with sidehacks plugings you can get that to work also, as the design is in the gold fingers length on the power plane, to be able to pull and plug without arcing, it will not power up till the new supplys power fingers are engaged. Or arc on removal, power good pin will disengage first..
You could really take the larger supplies "to the max" if wanted, 100s of amps 5000w systems possible. @12v
legendary
Activity: 3374
Merit: 1859
Curmudgeonly hardware guy
Not really. Someone already posted where the current share pin was on the supply, and it's also broken out to a header pin on my board. If you want to parallel multiple supplies, as far as I know all that is required is to put them on a common bus (hook the ground and 12V together) and then tie the current share pins together. The rest is internal, it should "just work".
hero member
Activity: 826
Merit: 1000
°^°
If you're just paralleling you can tie the Current Share pins together and the supplies will cross-regulate to balance the current outputs evenly between several supplies, so you can get 12V stupidly-high-current without exploding anything.
can you explain that a bit more?
legendary
Activity: 3374
Merit: 1859
Curmudgeonly hardware guy
Yep. Isolating the circuit ground from case ground/neutral means you can stack the voltages together by referencing one supply's ground to another supply's (isolated) 12V output, so measuring between one ground and the other's 12V gives you 24V without exploding anything. If you're just paralleling you can tie the Current Share pins together and the supplies will cross-regulate to balance the current outputs evenly between several supplies, so you can get 12V stupidly-high-current without exploding anything.
legendary
Activity: 2912
Merit: 1060
So grounding is for raising the voltage? But parallel doesn't matter?
full member
Activity: 238
Merit: 100
can anyone tell me the pinout / how to implement current share on the Z750P-00 ?


I use a bunch of them to charge my electric bike.... being able to parallel them up would be AWESOME!


I've googled my ass off but can't find anything useful :-(



p.s.... I'm assuming I can parallel a bunch of them without any problems yeah ?

There's something about the grounds I don't get yet

You do not need to know, it is needed info for the people using Remote Control RC cars and planes, they make chargers out of these and those threads started this info on jumping these PS for other uses long time ago.

SideHack saw the opportunity to use them for all crypto miners rigs ect, and he has done what is needed for your use.

If you "Want to know more" Read the RC threads just type in server power supply RC and you will find all the old info on jumping modding ect...

It is where I learned about them from.

Start here...
http://www.rcgroups.com/forums/showthread.php?t=1292514
legendary
Activity: 2912
Merit: 1060
can anyone tell me the pinout / how to implement current share on the Z750P-00 ?


I use a bunch of them to charge my electric bike.... being able to parallel them up would be AWESOME!


I've googled my ass off but can't find anything useful :-(



p.s.... I'm assuming I can parallel a bunch of them without any problems yeah ?

There's something about the grounds I don't get yet
member
Activity: 98
Merit: 10
Okay, so. We're officially opening sales for the Z750P boards at 6PM CST. The first batch will only have about 75 boards available, but when we have another stack about that size (in a few days) I'll update this again.

We're limiting it to ten boards per person this round, to make sure someone doesn't buy all of them.
Pricing is:
  1-5 units  -  $42.50 each
  6+ units  -  $40.00 each

We'll have some cables available, 18" 16AWG PCIe 6-pin with spades for mating to the boards' screw terminals. Cables are $3.50 apiece. I don't know how many we'll have, probably not a hundred total yet as we just got the parts in today to start generating them.

Shipping will probably be USPS Priority Medium Flat-Rate Box, unless otherwise specified and worked out with me while ordering.

Orders will be taken on a First-Come First-Serve basis; send me a PM AFTER 6PM CST with the desired number of boards and/or cables and I'll add you to the queue and work out payment details. We accept both PayPal and BTC, which the BTC price will be based off a random sampling of Coinbase's exchange rate taken sometime in the afternoon.

All order messages sent before 6PM CST according to the forum timestamp will be ignored.

PM sent!
newbie
Activity: 3
Merit: 0
It's somewhere here in this thread

oops, must have missed it, I'll read through again :-)

That is where they isolate the PS grounds it is RC cars and planes ect, using them for charging.
Hooked in series, they build output Like a diesel truck.
The link is in this thread several places

I've already got mine up and running, charging my bike at 4kw

I'd like to parallel a bunch up, so I can run at 8kw or 12kw for charging multiple bikes at once :-)


most of the time those RC guys just use these supplies for 24v or 48v to power there balancing charger, I'm charging direct to the batteries and have a BMS to sort out the balancing etc.. :-)



EDIT: current share pin is pin A2 ... so I just tie pin A2 of each parallel supply together right ?
(this is the bit I was stuck with... what to do with that pin)
full member
Activity: 238
Merit: 100
can anyone tell me the pinout / how to implement current share on the Z750P-00 ?


I use a bunch of them to charge my electric bike.... being able to parallel them up would be AWESOME!


I've googled my ass off but can't find anything useful :-(



p.s.... I'm assuming I can parallel a bunch of them without any problems yeah ?

It's somewhere here in this thread

That is where they isolate the PS grounds it is RC cars and planes ect, using them for charging.
Hooked in series, they build output Like a diesel truck.
The link is in this thread several places
hero member
Activity: 635
Merit: 500
can anyone tell me the pinout / how to implement current share on the Z750P-00 ?


I use a bunch of them to charge my electric bike.... being able to parallel them up would be AWESOME!


I've googled my ass off but can't find anything useful :-(



p.s.... I'm assuming I can parallel a bunch of them without any problems yeah ?

It's somewhere here in this thread
newbie
Activity: 3
Merit: 0
can anyone tell me the pinout / how to implement current share on the Z750P-00 ?


I use a bunch of them to charge my electric bike.... being able to parallel them up would be AWESOME!


I've googled my ass off but can't find anything useful :-(



p.s.... I'm assuming I can parallel a bunch of them without any problems yeah ?
hero member
Activity: 635
Merit: 500


Smiley

Sorry for the crappy picture. Made with my phone.
newbie
Activity: 36
Merit: 0
Got my Z750P-00's in today.  Looks like I'm going to need a bigger crate.
full member
Activity: 238
Merit: 100
anyone electrically isolating the case of the psu?

They were doing that to run two of em in series to get 24v, we need the case tied to ground for our use.
Even if ran redundant.
full member
Activity: 196
Merit: 100
Porn?


Fire hazard?  Shocked

Edit/ Only kidding - looking good.
hero member
Activity: 956
Merit: 1001
anyone electrically isolating the case of the psu?
hero member
Activity: 504
Merit: 500
+10 for this community-mod!

+20 for it's simplicity and potential "other" use as a general 12v, high-amp power-source!

+40 for the informative tips alone...
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