Intel Xeon SMBus Block Diagram, System Overview, Repeater, IntelE7520, Chipset, CK409B

System Overview

5.4SMBus

				￿			￿￿￿￿￿￿￿
	Figure 8 below illustrates the routing of the SMBus signal among the components.
Figure 8.	SMBus Block Diagram
		￿￿￿￿￿￿￿	Intel		6300ESB I/O
			Controller Hub					PCI-X 133 MHz
		￿￿￿￿￿￿￿				￿￿￿￿￿￿￿￿￿￿		Slot (Slot #1)
								PCI-X 100 MHz
					LM 93			Slot (Slot #2)
		SMBus￿￿￿￿	￿￿￿￿		￿￿			PCI-X 100 MHz
		￿Repeater￿
	ITP-XDP							Slot (Slot #3)
	SMBus							PCI Express
	Master Only							Slot (Slot #4)
	Intel￿E7520							PCI Express
	Chipset		SMBus					Slot (Slot #5)
			Repeater
	PXH-D							PCI-X 66 MHz
	￿￿￿￿				DIMM #A1		DIMM #B1	Slot (Slot #6)
	￿￿￿				Addr 0xA0		Addr 0xA8	PCI-X 66 MHz
	CK409B
								Slot (Slot #7)
					DIMM #A2		DIMM #B2	PCI 32-bit /
	DB800				Addr 0xA2		Addr 0xAA
								33 MHz (Slot #8)
					DDR CH A		DDR CH B	￿￿￿￿￿￿￿￿

28Intel® Xeon™ Processor, Intel® E7520 Chipset, Intel® 6300ESB ICH Development Kit User’s Manual