Thank you for the reply, I have an xfx board http://www.techwarelabs.com/reviews/video/xfxgraphics_gf4ti4200/ I desoldered one of the caps C1422 right next to the missing one, looks like it serves the same function as the missing cap. Used an ESR meter and it showed up as 4 uf with an esr of 0.1. I …

The Virtuality VR system used ISA based 3D video cards. The entire system was on a 14-slot ISA backplane http://wiki.skullspace.ca/index.php/Virtuality_SU2000

I have a missing surface mount capacitor C1427 on the backside of the board underneath the GPU but it has no markings. Is there a parts list available for these old boards? EDIT: upon further inspection I found one more missing SMD capacitor C296 next to one of the memory chips. I've contacted …