what is this on a motherboard?

[cknewcastleuk]

http://img46.imageshack.us/img46/9046/asusp5gd1fms091129ebaye.jpg

 

Anyone tell me what this is some kind of heat conductor or something (arrow pointing), its blown on this mobo and i need to find out if can be repaired.

 

 

Thanks in advance.

 

CK

[KenB]

Hi,

 

What you are refering to looks like an RF Choke.

It has a ferrite ( carbon based ) core and copper windings. It is used to filter high frequencies from other electronic devices ( TV for instance ). Not all M/Bs have them.

 

They don't usually fail.

 

What has happened to yours?

If it has failed - replacing it may not solve the problem.

[Plastic Nev]

Hi, these are properly termed RF chokes or filters, and they are there as Ken says to prevent radio frequencies from passing through into other parts of the circuit.

 

Considering they are nearly always placed in a power supply line, and for it to have burned through, it means something else has failed to create the high current that has blown it.

 

A fault of that nature is not worth trying to follow through as there may well be other unseen damage that an incredible amount of work would be needed to find.

The cost of that alone therefore means it is cheaper to buy another motherboard.

Nev.