I think I killed my MSI Z97 U3 PLUS Motherboard!!!

[Sasqui]

Thank you for the tip on the CMOS battery, will make sure it's removed before flashing the bios, and yes it is possible your cable is faulty but I'm sure embedded computers will be happy to send you a replacement, by the way the cable seems to only be 10 pin and most JSPI1 ports are 11 so that could be an issue, but I assume one of the pins is simply a reserve pin so probably not.

What you're looking at is 10 pins 2.54mm header to the Flashcat header. The other end (black with small trace PCB) is 11-pin (12 in reality) 2mm for the JSPI1 ...it's also compatible with the 9-pin version of JSPI1

 

[Kyan31]

What you're looking at is 10 pins 2.54mm header to the Flashcat header. The other end (black with small trace PCB) is 11-pin (12 in reality) 2mm for the JSPI1 ...it's also compatible with the 9-pin version of JSPI1

Ah I see, that's a pretty handy cable, might have to pick up something similar in the future for situations like this haha.

 

[Sasqui]

Ah I see, that's a pretty handy cable, might have to pick up something similar in the future for situations like this haha.

If it would only work! Sometimes it'll connect but the chip ID is wrong each time. I tried every configuration since you can plug it in 2 different ways each end. When I have time, I'm going to try my original DIY cable configuration

 

[Kyan31]

If it would only work! Sometimes it'll connect but the chip ID is wrong each time. I tried every configuration since you can plug it in 2 different ways each end. When I have time, I'm going to try my original DIY cable configuration

Seems like your best bet, I have no clue why it doesn't work for you as it really should but yeah with the right set of jumper cables you can redo what you did before with success, good luck!

 

[Kyan31]

Little update, I managed to fix my motherboard! Went pretty smoothly and now my system is up and running again, thanks to everyone here who provided all the diagrams and stuff, was a ton of help and thank you @Sasqui for the tips, appreciate it so much. I really thought I killed my motherboard but now it's working better than ever, cheers all

 

[Sasqui]

Little update, I managed to fix my motherboard! Went pretty smoothly and now my system is up and running again, thanks to everyone here who provided all the diagrams and stuff, was a ton of help and thank you @Sasqui for the tips, appreciate it so much. I really thought I killed my motherboard but now it's working better than ever, cheers all

Nice work dude, and congrats! Did you use JSPI1 and the individual wire headers?

 

[Kyan31]

Nice work dude, and congrats! Did you use JSPI1 and the individual wire headers?

Yup, wired it individually by following the JSPI1 diagram you showed me and I just matched it up to the corresponding pins on my programmer, for the extra write pin (since it's an 11 pin header) I just used one of the spare available pins on my programmer to supply power, it worked a charm.