Product specifications
CN333 Data Sheet
Revision 1.0, January 5, 2005 -33- Device 0 Function 0 Register Descriptions - AGP
AGP Miscellaneous Control
Offset 4F – Multiple Function Control (00h)..................RW
7-1 Reserved ........................................ always reads 0
0 Bridge Configuration Supports Multiple
Functions
0 Not supported, other functions 1, 2, 3, 4 and 7
cannot be seen and will return FFFFFFFFh
when accessed........................................default
1 Supported (this bit is reflected on Rx0E[7])
AGP Power Management Control
Offset 50 – Power Management Capability ID ............... RO
7-0 Capability ID ..................................always reads 01h
Offset 51 – Power Management Next Pointer................. RO
7-0 Next Pointer ......... always reads 00h (“Null” Pointer)
Offset 52 – Power Mgmt Capabilities I............................ RO
7-0 Power Management Capabilities ..always reads 02h
Offset 53 – Power Mgmt Capabilities II .......................... RO
7-0 Power Management Capabilities ..always reads 00h
Offset 54 – Power Mgmt Control / Status ...................... RW
7-2 Reserved ........................................always reads 0
1-0 Power State
00 D0 .................................................... default
01 -reserved-
10 -reserved-
11 D3 Hot
Offset 55 – Power Management Status............................ RO
7-0 Power Management Status............always reads 00h
Offset 56 – PCI-to-PCI Bridge Support Extensions ....... RO
7-0 P2P Bridge Support Extensions ....always reads 00h
Offset 57 – Power Management Data .............................. RO
7-0 Power Management Data ..............always reads 00h