Member Avatar for byro73

I have recently acquired an old ATI Radeon 9550 Graphics card but i can't get it to work on my MSI 865 PE neo 2 mobo . It works fine on my older Intel 815 mobo

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A few practical checks that often solve “works in one AGP board but not another” problems, without redoing what and already covered.

Update and BIOS settings: flash the board to the latest MSI BIOS, then reset CMOS. Disable onboard video and set the primary display to the AGP slot (sometimes labelled “Init Display First” or “Primary Video”). If the BIOS exposes AGP options (AGP rate, Fast Writes, AGP aperture), try toggling them or forcing a lower rate rather than Auto.

Physical and electrical checks: inspect the card and slot for the correct keying/notch and for bent pins. Clean the card edge with 90%+ isopropyl alcohol and reseat firmly; don’t force a mismatched card. Also verify the PSU is stable—some older boards are sensitive to weak 12V/5V rails even for low-power cards. For background on how AGP cards/slots were keyed and why voltage/implementation matters, see the AGP standard summary: Accelerated Graphics Port.

Driver and isolation workflow: while the card is in a known-working machine, uninstall any vendor drivers so the card presents as generic hardware. Move it to the problematic board, boot to safe mode, install the correct Catalyst/driver package, then reboot. Test with minimal hardware (one stick of RAM, no extra cards) and listen for POST beeps or look for BIOS error codes to narrow whether it’s a post/BIOS init issue or an OS/driver one.

If none of the above helps, try the card in a third AGP system to isolate whether the card or the MSI board is at fault. If the card fails only on the MSI board after updates and the steps above, the board’s AGP implementation or BIOS may be incompatible and vendor support or a different motherboard may be the practical fix.

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Member Avatar for Rik_

I used to own the exact same card. It is AGP x8 compatible only! It does not support AGP x2 or x4 motherboards!
Hope that helps!

Member Avatar for byro73

Thanks Rik from RCE. I checked the MSI 865 mobo's manual and it states that it supports
AGP x8. Any other suggestions

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