Ok I think I sorted it and yes looks to be a combination of things. Just took everything apart took lots of pictures and put everthing back together . .
I noticed that if I applied a little pressure to the top of the I/O blocks inside the case the backplate seemed to line up, there was nothing stopping the board was sinking 1mm-2mm so with pressure applied all was good. Taking the board out again it seems it was slightly *bowed* upwards so looking at it from the side where the I/O ports are there was a slight rainbow arch effect.
Gave the board a *very* gentle flex in the opposite direction (creak creak) appears to have straightened it out! Also there are a few other tiny factors involved one of which is deffo the I/O block that contains the eSata and Firewire red ports is too high in comparison to the other I/O ports i.e when I put pressure on the whole I/O block all the other ports are perfectly lines up and straight however the red eSata/Firewire block is still a bit too high! To get the eSata/Firewire block in line requires pushing the I/O block so far down that all the other ports sink to low!
So worst case scenario is maybe I lose access to the single rear Firewire port but as I straigtened the board out and there is still some play in it I imagine I will be able to replace the case side panel carefully and maybe have it pusing slightly against the top of the TRUE heatsink and just have the board lower itself by 1mm-2mm . . .sorted off to build!
Long term fix from ASUS=
I noticed that if I applied a little pressure to the top of the I/O blocks inside the case the backplate seemed to line up, there was nothing stopping the board was sinking 1mm-2mm so with pressure applied all was good. Taking the board out again it seems it was slightly *bowed* upwards so looking at it from the side where the I/O ports are there was a slight rainbow arch effect.
Gave the board a *very* gentle flex in the opposite direction (creak creak) appears to have straightened it out! Also there are a few other tiny factors involved one of which is deffo the I/O block that contains the eSata and Firewire red ports is too high in comparison to the other I/O ports i.e when I put pressure on the whole I/O block all the other ports are perfectly lines up and straight however the red eSata/Firewire block is still a bit too high! To get the eSata/Firewire block in line requires pushing the I/O block so far down that all the other ports sink to low!
So worst case scenario is maybe I lose access to the single rear Firewire port but as I straigtened the board out and there is still some play in it I imagine I will be able to replace the case side panel carefully and maybe have it pusing slightly against the top of the TRUE heatsink and just have the board lower itself by 1mm-2mm . . .sorted off to build!
Long term fix from ASUS=
- Don't ship boards that are slightly bowed
- Either fit the eSata/Firewire block properly so it sits lower on the board or cut the I/O shield with a bit more space to allow for this bad fit.
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