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Author Topic: [WTS] ATX PSU to 2.5 or 2.1/5.5mm 12V coaxial plug power cables [New Product!!]  (Read 63482 times)
dunand
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November 03, 2012, 05:43:11 PM
 #101

I want to power 4 bAsic 54Gh/s. How would you built cables to power them.  Let's suppose we know for sure each board can be powered with 100w.
Would you use one 8-pin PCIE connector per bAsic?
Can one 8-pin PCIE connector power more than one bAsic?

Here is my PSU mechanical drawing http://www.ocztechnology.com/manuals/psu/OCZ-Z850M.PDF


thanks
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Cablez
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November 03, 2012, 08:06:46 PM
 #102

I want to power 4 bAsic 54Gh/s. How would you built cables to power them.  Let's suppose we know for sure each board can be powered with 100w.
Would you use one 8-pin PCIE connector per bAsic?
Can one 8-pin PCIE connector power more than one bAsic?

Here is my PSU mechanical drawing http://www.ocztechnology.com/manuals/psu/OCZ-Z850M.PDF
thanks

Considering we have only hints at what the power draw will be I will leave this here as 'the safe method' so far. 

Looking at the specs of your PSU, you have twelve 12v lines coming out of the four modular 8pin PCIe connectors. Theoretically that means we could power 12 separate bASIC devices, but as your 850W PSU can only support 8 devices or less that # will have to do.

As for the cable itself I would suggest 16AWG as that would give us less voltage drop and be able to handle that kind of power for the most likely 6ft runs or more as they would probably be.

I would also make them direct to PSU cables so that we could remove any unnecessary 18AWG wire from between the power source and the bASIC and have less risk of burning. (at least until its tested thoroughly)

With that said I could build cables for you that contain up to 3 bASIC plugs each and connect directly to the PSU which should be the safe way at least until I can test other configurations out here.

Please PM me if you are still interested and thanks for the questions. Smiley

Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
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November 08, 2012, 04:45:26 PM
 #103

Just wanted to leave some feedback here for Cablez.  I got my four cables and 24pin switch in the mail today and they are exactly what I was hoping for.  I wanted to replace the 10 power bricks I have for my BFL Singles with a high efficiency atx power supply and get rid of the mess.  These cables look great and they perform awesome!  Thanks again Cablez and if anyone else is on the fence consider this a glowing recommendation.

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November 08, 2012, 07:18:42 PM
 #104

Thanks very much for the kudos benny32, I am glad the cables are working well for you.

I just want to post that the transaction was quick and flawless on benny's side as well. +1 trader!!

Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
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November 08, 2012, 10:04:54 PM
 #105

if we buy the psu's from bASIC's website would we need custom cables?
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November 08, 2012, 11:06:25 PM
 #106

if we buy the psu's from bASIC's website would we need custom cables?
bASIC's will accept the flat 4-pin molex that comes off (almost) every PSU - so no.

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November 09, 2012, 12:49:52 AM
 #107

if we buy the psu's from bASIC's website would we need custom cables?
bASIC's will accept the flat 4-pin molex that comes off (almost) every PSU - so no.

I will add one caveat to this statement: considering the bASIC draws up to 120W (for now) I would not load a molex peripheral chain with multiple devices. The 18AWG wire is really not rated for more than 15A.

In this case you would need custom cables.

Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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November 09, 2012, 02:29:18 AM
 #108

if we buy the psu's from bASIC's website would we need custom cables?
bASIC's will accept the flat 4-pin molex that comes off (almost) every PSU - so no.

I will add one caveat to this statement: considering the bASIC draws up to 120W (for now) I would not load a molex peripheral chain with multiple devices. The 18AWG wire is really not rated for more than 15A.

In this case you would need custom cables.

what do u mean by peripheral chain?   i could guess but i want to know exactly what u mean.
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November 09, 2012, 04:35:46 AM
 #109

what do u mean by peripheral chain?   i could guess but i want to know exactly what u mean.

Typically an ATX PSU will chain together 2 to 3 4pin molexes all on one cable with the intent to power several hard drives. They are all using the same 18AWG 12V wire to do this.

If you were to chain several bASIC devices this way you would overload that 18AWG wire and have a burned wire because the max is 15A or 1.5 bASIC devices.

A custom cable that takes this into account can be built to safely power multiple devices by using multiple source wires. I hope that this explanation makes it clearer, if not please ask more. Smiley 


Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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November 09, 2012, 03:07:54 PM
 #110

I just had a single power brick die and figured this would be a perfect time to order some cables from you. What cable would you suggest to power 4 BFL singles? Also would these be able to power BFL Single SC ASICs when they come out? Can they plug in via molex? The computer also has GPUs running on it so I am not sure what other free connections it has besides molex (not at home atm to check)

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November 09, 2012, 07:32:08 PM
 #111

I just had a single power brick die and figured this would be a perfect time to order some cables from you. What cable would you suggest to power 4 BFL singles? Also would these be able to power BFL Single SC ASICs when they come out? Can they plug in via molex? The computer also has GPUs running on it so I am not sure what other free connections it has besides molex (not at home atm to check)

Hey Morblias, 

Bad luck with that power brick.  I would be happy to set you up with cables for you power needs. In answer to your questions: Depending on what connectors you have free on your PSU we can do 4 singles with 1 or 2 cables. The BFL SC singles are in the same power envelope as the current gen singles and also uses the same connector so a cable purchased now can be re-used. The BFL single only uses a 2.5mmID/5.5mmOD coaxial plug (DC barrel jack) for power so that is all we can work with.

When you have time to check your PSU send me a PM and we can set something up. Thanks for your interest. Smiley

Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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November 09, 2012, 09:53:24 PM
 #112

I just had a single power brick die and figured this would be a perfect time to order some cables from you. What cable would you suggest to power 4 BFL singles? Also would these be able to power BFL Single SC ASICs when they come out? Can they plug in via molex? The computer also has GPUs running on it so I am not sure what other free connections it has besides molex (not at home atm to check)

Hey Morblias, 

Bad luck with that power brick.  I would be happy to set you up with cables for you power needs. In answer to your questions: Depending on what connectors you have free on your PSU we can do 4 singles with 1 or 2 cables. The BFL SC singles are in the same power envelope as the current gen singles and also uses the same connector so a cable purchased now can be re-used. The BFL single only uses a 2.5mmID/5.5mmOD coaxial plug (DC barrel jack) for power so that is all we can work with.

When you have time to check your PSU send me a PM and we can set something up. Thanks for your interest. Smiley

I'd like to know too,so I'll be wanting to know the outcome of this,please  Wink

I'll post the specs for the PSU I intend to use a little later.

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November 11, 2012, 06:07:24 AM
 #113

I just had a single power brick die and figured this would be a perfect time to order some cables from you. What cable would you suggest to power 4 BFL singles? Also would these be able to power BFL Single SC ASICs when they come out? Can they plug in via molex? The computer also has GPUs running on it so I am not sure what other free connections it has besides molex (not at home atm to check)

Hey Morblias, 

Bad luck with that power brick.  I would be happy to set you up with cables for you power needs. In answer to your questions: Depending on what connectors you have free on your PSU we can do 4 singles with 1 or 2 cables. The BFL SC singles are in the same power envelope as the current gen singles and also uses the same connector so a cable purchased now can be re-used. The BFL single only uses a 2.5mmID/5.5mmOD coaxial plug (DC barrel jack) for power so that is all we can work with.

When you have time to check your PSU send me a PM and we can set something up. Thanks for your interest. Smiley

I'd like to know too,so I'll be wanting to know the outcome of this,please  Wink

I'll post the specs for the PSU I intend to use a little later.

I had a free CPU 4 pin plug in that will be used for 2 barrel connectors and also a GPU 6 pin for 3 barrel connectors. 5 Should be enough for now Smiley

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November 29, 2012, 02:51:59 AM
 #114

FYI:  Cablez delivers high quality products.  I have placed several orders with him and have never been disappointed.   

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November 29, 2012, 04:55:03 AM
 #115

FYI:  Cablez delivers high quality products.  I have placed several orders with him and have never been disappointed.   


Thank you for the vote of confidence.  I will say that my dealings with infamousdutch have gone super smooth and he has been very reputable. Smiley

Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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December 06, 2012, 09:25:05 PM
 #116

I would like a cable made a couple actually. I have a BFL Single and would like to plug it in to a Seasonic X750 PSU. Also I would like a individually wraped main power and EPS12V power cable. Let me know if you would consider making these.

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December 06, 2012, 10:05:32 PM
 #117

I would like a cable made a couple actually. I have a BFL Single and would like to plug it in to a Seasonic X750 PSU. Also I would like a individually wraped main power and EPS12V power cable. Let me know if you would consider making these.

Sure, I would be happy to help you out.  Please PM me and we can discuss specifics.

Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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February 06, 2013, 12:06:37 AM
 #118

Another successful order with Cablez completed.  Thanks Cablez!
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February 06, 2013, 01:37:26 AM
 #119

Another successful order with Cablez completed.  Thanks Cablez!

Thank you as well.  panda1 gets another +1 from me. Smiley

Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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March 28, 2013, 07:38:12 PM
 #120

EDIT: 3-28-2013   It has been one year since I started selling my cables here to help the FPGA mining community and I just wanted to say thank you for keeping this endeavor going. I always new it was a niche project but it was fun and allowed me to positively occupy my time.    Thank you guys again.

Because of current BTC pricing I will no longer list my prices as they become irrelevant too quickly. Just PM me for a quote.

Tired of substandard power distribution in your ASIC setup???   Chris' Custom Cablez will get you sorted out right!  No job too hard so PM me for a quote
Check my products or ask a question here: https://bitcointalk.org/index.php?topic=74397.0
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