Intel 460GX manual 6

	7.2	AGP Traffic.........................................................................................................		7-6
		7.2.1	Addresses Used by the Graphics Card.................................................	7-6
		7.2.2	Traffic Priority ........................................................................................	7-7
		7.2.3	Coherency, Translation and Types of AGP Traffic................................	7-7
		7.2.4	Ordering Rules ......................................................................................	7-8
		7.2.5	Processor Locks and AGP Traffic .........................................................	7-8
		7.2.6	Address Alignment and Transfer Sizes.................................................	7-9
		7.2.7	PCI Semantics Traffic ...........................................................................	7-9
	7.3	Bandwidth ........................................................................................................		7-13
		7.3.1	Inbound Read Prefetching ..................................................................	7-14
	7.4	Latency	.............................................................................................................	7-14
	7.5	GXB Address Map ...........................................................................................		7-14
8	WXB Hot-Plug .................................................................................................................			8-1
	8.1	IHPC Configuration Registers ............................................................................		8-1
		8.1.1	Page Number List for the IHPC PCI Register Descriptions...................	8-3
		8.1.2	VID: Vendor Identification Register .......................................................	8-3
		8.1.3	DID: Device Identification Register........................................................	8-3
		8.1.4	PCICMD: PCI Command Register ........................................................	8-4
		8.1.5	PCISTS: PCI Status Register................................................................	8-5
		8.1.6	RID: Revision Identification Register.....................................................	8-5
		8.1.7	CLASS: Class Register .........................................................................	8-6
		8.1.8	CLS: Cache Line Size ...........................................................................	8-6
		8.1.9	MLT: Master Latency Timer Register ....................................................	8-6
		8.1.10	HDR: Header Register ..........................................................................	8-6
		8.1.11	Base Address........................................................................................	8-7
		8.1.12	SVID: Subsystem Vendor Identification ................................................	8-7
		8.1.13	SID: Subsystem ID................................................................................	8-7
		8.1.14	Interrupt Line .........................................................................................	8-7
		8.1.15	Interrupt Pin...........................................................................................	8-8
		8.1.16	Hot-Plug Slot Identifier ..........................................................................	8-8
		8.1.17	Miscellaneous Hot-Plug Configuration ..................................................	8-8
		8.1.18	Hot-Plug Features .................................................................................	8-9
		8.1.19	Switch Change SERR Status................................................................	8-9
		8.1.20	Power Fault SERR Status.....................................................................	8-9
		8.1.21	Arbiter SERR Status ...........................................................................	8-10
		8.1.22	Memory Access Index.........................................................................	8-10
		8.1.23	Memory Mapped Register Access Port...............................................	8-10
	8.2	IHPC Memory Mapped Registers ....................................................................		8-10

8.2.1Page Number List for IHPC Memory Mapped Register Descriptions..8-12

8.2.2	Slot Enable..........................................................................................	8-12
8.2.3	Hot-Plug Miscellaneous ......................................................................	8-13
8.2.4	LED Control.........................................................................................	8-13
8.2.5	Hot-Plug Interrupt Input and Clear ......................................................	8-14
8.2.6	Hot-Plug Interrupt Mask ......................................................................	8-15
8.2.7	Serial Input Byte Data .........................................................................	8-16
8.2.8	Serial Input Byte Pointer .....................................................................	8-17
8.2.9	General Purpose Output .....................................................................	8-17
8.2.10	Hot-PlugNon-interrupt Inputs .............................................................	8-17
8.2.11	Hot-Plug Slot Identifier ........................................................................	8-17
8.2.12	Hot-Plug Switch Interrupt Redirect Enable..........................................	8-18
8.2.13	Slot Power Control ..............................................................................	8-18

vi Intel® 460GX Chipset System Software Developer’s Manual