Adapters needed to connect power supply to Intel S2600CP server boards

I have built two servers containing Intel S2600CP server boards.

These server boards are connected to a Raidmax Cobra Power 1200W 80 Plus Gold Power Supply.

The problem is that these "Raidmax Cobra Power 1200W 80 Plus Gold Power Supplies" don't have the right kind of power connectors for connecting to the connectors on the Intel S2600 CP server system boards next to the two CPUs. They contain a six pin connector and a detachable 2 pin connector.

The main power connector that comes from these power supplies that connects to the server system board plugs in without any issues; the problem is that the two other smaller power connectors that plug into the server system board (next to the CPUs) have only six pins instead of the eight that are needed.

When just the six pin connector is connected to these two locations on the server system boards the server system boards won't power on and produce a lot of beep codes (and nothing displays on the monitor). The same thing happens when the other two detachable pins are connected alongside these six pin power connectors.

So I'm hoping that there are adapters or cables I can buy that will plug into these "Raidmax Cobra Power 1200W 80 Plus Gold Power Supplies" on one end and that will then plug into the two eight-pin connectors on the server system board (next to the CPUs).

What sort of adapters or cables are available that will allow me to use the "Raidmax Cobra Power 1200W 80 Plus Gold Power Supplies" with these Intel S2600cp server system boards?

I have attached the manuals for the Intel S2600cp server system boards and for this power supply.

This power supply is described here: https://www.newegg.com/Product/Product.aspx?Item=N82E16817152045.

Please let me know if any further information is needed.

20789_4050365.pdf
Manual-g26942005_s2600cp_p4000cp_tps.pdf
Specs-g54899001-s2600cp-p4000cp-sg-r.pdf
IT GuyNetwork EngineerAsked:
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Casey WeaverNetwork EngineerCommented:
What you need is known as an EPS connector. You can use a molex  to EPS connector like this:  https://m.newegg.com/products/9SIA85V3E24994?ignorebbr=true&nm_mc=KNC-GoogleMKP-Mobile&cm_mmc=KNC-GoogleMKP-Mobile-_-pla-_-Data+Adapters-_-9SIA85V3E24994&gclid=EAIaIQobChMIpLW1jsKu2gIVC7jACh0Kpw1IEAQYAyABEgKyvPD_BwE&gclsrc=aw.ds  I have not found a PCI-e to EPS adapter, seems to be because of a lack of wattage that can be put through the PCI-e power cable (molex handles 130W and 6pin GPU only 75W). It seems that Athena possibly made one that took two 6/8 pin pci-e power inputs and gave you a single eps output. Most adapters you'll find take molex and give EPS.

All that being said, 6pin pcie is not the same as eps, in fact they are keyed differently and are reverse polarity. If you did manage to plug in in wrong, which it seems a lot on the internet have because of poor keying, the board is most likely irreparably damages now.
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Casey WeaverNetwork EngineerCommented:
You linked pci express 6to8 pin adapters. PCI express 8 pin and eps 8 pin are not the same. Also, his power supply already has 6+2 pci express power cables.
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IT GuyNetwork EngineerAuthor Commented:
I purchased the right type of power supplies last night for these two server boards.

Luckily the server boards work fine and don't have any damage or issues.
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