Jump to content

faulty cable?

Guest
By Guest
in Power Supplies
 Share
Posted

It's normal.

Here's a pin map for 24 pin motherboard connectors. You can see pin 20 is marked as "Not Used". If you count out the pins you will see that it's pin 20 that is missing from your cable.
 

image.png.79388627b9d7c966815f5ca6d2a126dc.png

 

AFAIK the connector was used on older systems, but hasn't been used for a while so a lot of PSU manufacturers aren't including it.

CPU: Intel i7 6700k  | Motherboard: Gigabyte Z170x Gaming 5 | RAM: 2x16GB 3000MHz Corsair Vengeance LPX | GPU: Gigabyte Aorus GTX 1080ti | PSU: Corsair RM750x (2018) | Case: BeQuiet SilentBase 800 | Cooler: Arctic Freezer 34 eSports | SSD: Samsung 970 Evo 500GB + Samsung 840 500GB + Crucial MX500 2TB | Monitor: Acer Predator XB271HU + Samsung BX2450

Link to comment
https://linustechtips.com/topic/942527-faulty-cable/#findComment-11487096
Share on other sites
Link to post
Share on other sites
Posted
1 hour ago, oferk99 said:

Is this motherboard cable ok?

(stock cable from Be Quiet Straight Power 11 650w power supply)

 

Why do you ask?  Because of the missing wire?   First DIY build?  Or are you actually running into issues?

 

It's fine.  ATX standard is old.  Many requirements, like -5V rail, have been removed.  Newest DSG actually has -12V as "optional" so hopefully that will be removed as well.

 

Link to comment
https://linustechtips.com/topic/942527-faulty-cable/#findComment-11487235
Share on other sites
Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing Power Supplies

×