Compliant with PCI BUS PM Interface spec Revision 1.1 Compliant with PCI Express to PCI/PCI-X Bridge spec 1.0 Compliant with PCI Local BUS spec Revision 2.2 Compliant with PCI-to-PCI Bridge Architecture spec Revision 1.2 Innovative Bracket Design Adapts and Secures the Existing Low Profile Bracket of the PCI Card LP4 Power Connector Included for Universal Voltage PCI Cards (3.3V/5V) PCI Bus Power Management interface 1.1 PCI Express base spec 1.0a compliant