Intel 6300ESB ICH, Xeon user manual Platform Resets, Platform Reset Diagram

System Overview

5.3Platform Resets

Figure 7 depicts the reset logic for the CRB. The Intel 6300ESB I/O Controller provides most of the reset following assertion of power good and system reset. However, the glue logic within the SIO is also used to buffer reset to PXH, MCH, FWH, and IDE.

Figure 7.	Platform Reset Diagram		￿￿￿￿￿￿￿
		PCI 32
		SIO		IDE
		￿￿￿￿￿￿￿￿
		PCI-X
	￿￿￿￿￿￿￿￿￿￿	PCI-X	FWH	￿￿￿￿￿￿￿	CPU 0
		Intel	MCH		CPU 1
	￿￿￿￿￿￿￿￿￿	Port 80
		I/O
		￿￿￿￿￿￿￿￿￿		￿￿￿￿￿￿￿￿￿￿￿￿￿￿	ITP-700
		6300ESB
		Controller			PCI-X
		￿￿￿￿￿￿￿￿￿￿￿￿￿	PXH
		Hub
					PCI-X
			PCI￿￿￿￿￿￿￿￿￿￿￿￿￿￿-E		￿￿￿￿￿￿￿￿
					PCI-X

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