Intel SDS2 User Manual

Page 37

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Intel® Server Board SDS2

I/O Subsystem

Revision 1.2

Order Number: A85874-002

23

Figure 4. SDS2 Interrupt Routing Diagram

PCIIRQ1

PIRQ_LATCH

PCIIRQ3

PIRQ1

PCIIRQ2

PCIIRQ4

PCIIRQ5

PCIIRQ6

PCIIRQ7

PCIIRQ8

PCIIRQ9

PCIIRQ10

PCIIRQ11

PCIIRQ12

PCIIRQ13

PCIIRQ14

PCIIRQ15

PCIIRQ0

Super I/O

Timer

Keyboard

Serial Port2/ISA

Serial Port1/ISA

ISA

Floppy/ISA

ISA

RTC

SCI/ISA

ISA

ISA

Mouse/ISA

Coprocessor Error

P_IDE/ISA

S_IDE/ISA

Cascade

Serialized IRQ Interface

SERIRQ

SCSI Ch B

NIC 1

SCSI Ch A

NIC 2

SCI from SIO

Video

Slot1 INTA

Slot2 INTA

Slot3 INTA

Slot4 INTA

Slot5 INTA

Slot6 INTA

INTBCD

INTBCD

INTBCD

N/C

PCI IRQ Serializer

PCI Clock

33 MHz

CSB5 Interrupt Routing

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