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Intel® 460GX Chipset System Software Developer’s Manual ix
13.2.4 PCISTS–PCI Device Status Register (Function 2)..............................13-3
13.2.5 RID–Revision Identification Register (Function 2)...............................13-3
13.2.6 CLASSC–Class Code Register (Function 2).......................................13-4
13.2.7 MLT–Master Latency Timer Register (Function 2)..............................13-4
13.2.8 HEDT–Header Type Register (Function 2) .........................................13-4
13.2.9 USBBA–USB I/O Space Base Address (Function 2) ..........................13-5
13.2.10 SVID–Subsystem Vendor ID (Function 2)...........................................13-5
13.2.11 SID–Subsystem ID (Function 2)..........................................................13-5
13.2.12 INTLN–Interrupt Line Register (Function 2) ........................................13-5
13.2.13 INTPN–Interrupt Pin (Function 2)........................................................13-6
13.2.14 Miscellaneous Control (Function 2).....................................................13-6
13.2.15 SBRNUM–Serial Bus Release Number (Function 2) ..........................13-6
13.2.16 LEGSUP–Legacy Support Register (Function 2) ................................13-6
13.2.17 USBREN–USB Resume Enable .........................................................13-8
13.3 USB Host Controller I/O Space Registers........................................................13-8
13.3.1 USBCMD–USB Command Register (I/O) ...........................................13-8
13.3.2 USBSTS–USB Status Register (I/O).................................................13-10
13.3.3 USBINTR–USB Interrupt Enable Register (I/O) ................................13-10
13.3.4 FRNUM–Frame Number Register (I/O).............................................13-11
13.3.5 FLBASEADD–Frame List Base Address Register (I/O) ....................13-11
13.3.6 SOFMOD–Start of Frame (SOF) Modify Register (I/O).....................13-11
13.3.7 PORTSC–Port Status and Control Register (I/O) .............................13-12
14 SM Bus Controller Configuration...................................................................................14-1
14.1 SM Bus Configuration Registers (Function 3)..................................................14-1
14.2 System Management Register Descriptions ....................................................14-2
14.2.1 VID–Vendor Identification Register (Function 3) .................................14-2
14.2.2 DID–Device Identification Register (Function 3) .................................14-2
14.2.3 PCICMD–PCI Command Register (Function 3) ..................................14-2
14.2.4 PCISTS–PCI Device Status Register (Function 3)..............................14-3
14.2.5 RID–Revision Identification Register (Function 3)...............................14-3
14.2.6 CLASSC–Class Code Register (Function 3).......................................14-4
14.2.7 SMBBA–SMBus Base Address (Function 3).......................................14-4
14.2.8 SVID–Subsystem Vendor ID (Function 3)...........................................14-4
14.2.9 SID–Subsystem ID (Function 3)..........................................................14-5
14.2.10 INTLN–Interrupt Line Register (Function 3) ........................................14-5
14.2.11 INTPN–Interrupt Pin (Function 3)........................................................14-5
14.2.12 Host Configuration...............................................................................14-5
14.2.13 smbslvc–SMBus Slave Command (Function 3) ..................................14-6
14.2.14 smbshdw1–SMBus Slave Shadow Port 1 (Function 3).......................14-6
14.2.15 smbshdw2–SMBus Slave Shadow Port 2 (Function 3).......................14-6
14.3 SMBus I/O Space Registers.............................................................................14-6
14.3.1 smbhststs–SMBus Host Status Register (I/O) ....................................14-7
14.3.2 smbslvsts–SMBus Slave Status Register (I/O) ...................................14-7
14.3.3 smbhstcnt–SMBus Host Control Register (I/O)...................................14-8
14.3.4 smbhstcmd–SMBus Host Command Register (I/O)............................14-9
14.3.5 smbhstadd–SMBus Host Address Register (I/O) ................................14-9
14.3.6 smbhstdat0–SMBus Host Data 0 Register (I/O)..................................14-9
14.3.7 smbhstdat1–SMBus Host Data 1 Register (I/O)................................14-10
14.3.8 smbblkdat–SMBus Block Data Register (I/O) ...................................14-10
14.3.9 smbslvcnt–SMBus Slave Control Register (I/O)................................14-10
14.3.10 smbslvdat–SMBus Slave Data Register (I/O) ...................................14-11