Source:http://blogs.amd.com/play/2009/10/22/ati-catalyst%E2%84%A2-9-10-driver-%E2%80%93-what%E2%80%99s-new/
New Features: Official ATI Catalyst WHQL release supporting ATI Radeon HD 5800 series GPUs
ATI Catalyst 9.10 now includes full GPU support for the award winning ATI HD Radeon 5800...
Over on XS with ACC enabled Propus with L3
http://valid.canardpc.com/show_oc.php?id=661740
Same as the Denebs outlined in red
Here are some testing with L3 enabled
http://www.xtremesystems.org/forums/showpost.php?p=3981450&postcount=45
Picked up my MA790X-UD4P.....my 550 unlocked as quad on M4A79, bought the gig mobo for a back up mobo and to try the 550 chip on that mobo.....Updated to bios F5, reboot and see what I got...heh
Where about you live, You can buy my M4A79, works here with 550 Chip and unlocks that chip as Quad with bios 1602, Ontario here
No problems here with mobo, just going with AM3
Here was my 7750 on this mobo
Here is CPUZ with that mobo and 7750 @ 3.5.....Rejected but I think its cuzz of...
Thanks, Yea I was just playing around with the volts, wasent sure how much it needed to boot up
550 @ Quad with 2 Sapphire HD 4850 CF
3DMark Score 19823 3DMarks
SM 2.0 Score 7912
SM 3.0 Score 9733
CPU Score 5038
http://service.futuremark.com/compare?3dm06=11182853
Another OC
AMD DOES,,,ASUS motherboard model and BIOS support Version:
M4A79 Deluxe
M4A79T Deluxe
M4A78-E
M4A78T-E
Open method: BIOS Lane, ACC function Unleashing Mode under a number of options, the Unleashing Mode is set to Enable, you can open the 4 core CPU smoothly.
I have it working on my Sapphire HD 4850 CF. Working in XP/SP3 and alos Vista 64 bit..Have you rebooted? maybe redownload it and install it as ADMIN....
http://support.amd.com/us/gpudownload/windows/Pages/radeonaiw_vista64.aspx?type=2.4.1&product=2.4.1.3.36&lang=English