What Mobo is this

[rzami]

Hi everybody...

I gotta this mobo, and really dont understand which format is it...

ATX or BTX

http://microdream.co.uk/media/catalog/product/i/m/img_2375_1.jpg

http://www.txcesssurplus.com/catalog/21178-HP-404227001-Bd.jpg

 

[o1die]

That's a btx board (ports are on the wrong side, so atx cases can't be used without some serious dremil work).