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System Resources and Maps
EBX-37 Reference Manual
55
Table 25: PCI Interrupt Settings
PCI Interrupt
Source
INTA#
INTB#
INTC#
INTD#
INTE#
INTF#
INTG#
82541IT Ethernet
82574IT Ethernet
SATA
USB EHCI 1
USB EHCI 2
USB UHCI 1
USB UHCI 2
USB UHCI 3
USB UHCI 4
USB UHCI 5
USB UHCI 6
Audio
Video
PCIe Port 1
PCIe Port 2
PCIe Port 4
On-board I/O Devices
Table 26: On-board I/O Devices
I/O Device
Standard
I/O Addresses
PLED and Product ID Register
CA0h
Revision Indicator Register
CA1h
BIOS and Jumper Status Register
CA2h
Interrupt Control Register
CA3h
Interrupt Status Register
CA4h
8254 Timer Control/Status Register
CA5h
8254 Timer MS Base Address Register
CA6h
8254 Timer LS Base Address Register
CA7h
SPX Control Register
CA8h
SPX Status Register
CA9h
SPX Data Register 0
CAAh
SPX Data Register 1
CABh
SPX Data Register 2
CACh
SPX Data Register 3
CADh
Reserved for System Test
CAEh
A/D, D/A Control/Status Register
CAFh