Catalyst 10.4 and 10.5 don't see HD4870

Discussion created by Raistmer on Jun 7, 2010
Latest reply on Jun 7, 2010 by Raistmer
if it installed in secondary PCI-E slot and first used by GSO9600

OS is Windows 2003 x64, 2 PCI-E slots, first occupied by GSO9600, second by HD4870.
Catalyst driver can't identify ATI GPU at all.
NV GPU works OK. Monitor plugged to both GPUs.

What can I do to enable both GPUs ?