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6300ESB ICH Development Kit User’s Manual 27
System Overview
5.3 Platform 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
Intel
6300ESB
I/O
Controller
Hub
MCH
Port 80
PCI-E
PCI-X
PCI-X
PCI 32
FWH
CPU 1
CPU 0
ITP-700
PCI-X
PCI-X
PCI-X
SIO IDE
PXH