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Intel® i960® RM/RN I/O Processor
Interrupt Routing
®
5.2
Intel
Add-in Card
When designing the
address and interrupt routing.
Figure 5-14. Example Secondary PCI Connector Interrupt Routing
Intel® 80960RM/RN Processor
S_INTD:A#
S_AD31:0
NOTE:
26
80960RM/RN Processor Implementation on an
RM/RN I/O processor
Secondary
PCI Connector 1
S_INTA#
INTA#
S_INTB#
INTB#
S_INTC#
INTC#
S_INTD#
INTD#
S_AD16
IDSEL
Secondary PCI Bus interrupt signals "rotate" on subsequent PCI connectors.
into an add-in card, refer to
Secondary
Secondary
PCI Connector 2
PCI Connector 3
S_INTB#
S_INTC#
INTA#
S_INTC#
S_INTD#
INTB#
S_INTD#
S_INTA#
INTC#
S_INTA#
S_INTB#
INTD#
S_AD17
S_AD18
IDSEL
*
Figure 5-14
for Device ID
Secondary
PCI Connector 4
S_INTD#
INTA#
INTA#
S_INTA#
INTB#
INTB#
S_INTB#
INTC#
INTC#
S_INTC#
INTD#
INTD#
S_AD19
IDSEL
IDSEL
Design Guide
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