Will an 8x AGP vid card work on a 4x AGP mobo?

[Jmail999]

I have to RMA my mobo to newegg, meanwhile I wanna test out my Radeon 9500 NP, will it run on my brother's old mobo with 4x AGP? I don't think so, but I wanna make sure.

[Graphic67]

As long as your motherboard supports 4X AGP you will be fine running a newer 4x/8X card on it.

The combinations to avoid are either a new 4X/8X card on a 1X/2X (AGP 1.0) motherboard or a 1X/2X card on a 4X/8X motherboard. Signal voltages were changed between AGP 1.0 and AGP 2.0 and most if not all AGP 3.0 (current) cards and motherboards do not support the oldest AGP 1.0 standard. You may have noticed that new video cards and motherboards do not claim !x or 2X AGP support.

[Jmail999]

Ok, thanks for the info. I really wanna see if my Radeon 9500 NP softmods.

[couchpotato]

i am running a Radeon 9500 NP in my
Tyan Duallie - no Duallie Athlon has X8.
I am getting just 9900 in 3dmark02 and
about 4600 in 3d-03

[thalzaar24]

I'm running a 9500np softmodded on a 4x agp slot.

works just fine