Appendix B: Interrupt Request Lines (Irq); Appendix C: Memory Mapping - LGX Extended Temperature AU910 User Manual

Appendix B: Interrupt Request Lines (IRQ)

Peripheral devices use interrupt request lines to notify CPU for the service
required. The following table shows the IRQ used by the devices on board.
Level Function
IRQ 0 System Timer
IRQ 1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
IRQ 3 Communications Port (COM2)
IRQ 3 Intel(R) 5 Series/3400 Series Chipset Family SMBus Controller -
3B30
IRQ 4 Communications Port (COM1)
IRQ 8 System CMOS/real time clock
IRQ 9 Microsoft ACPI-Compliant System
IRQ 10 Communications Port (COM3)
IRQ 11 Communications Port (COM4)
IRQ 12 Microsoft PS/2 Mouse
IRQ 13 Numeric data processor
IRQ 16 Intel(R) HD Graphics
Intel(R) Management Engine Interface
Intel(R) 5 Series/3400 Series Chipset Family USB Enhanced Host
Controller - 3B3C
IRQ 17 Intel(R) 5 Series/3400 Series Chipset Family PCI Express Root Port
1 - 3B42
Intel(R) 82574L Gigabit Network Connection #2
Intel(R) 82574L Gigabit Network Connection
IRQ 18 Intel(R) 5 Series/3400 Series Chipset Family PCI Express Root Port
2 - 3B44
Intel(R) 5 Series/3400 Series Chipset Family PCI Express Root Port
6 - 3B4C
IRQ 19 Intel(R) 5 Series 6 Port SATA AHCI Controller
Standard Dual Channel PCI IDE Controller
IRQ 22 Microsoft UAA Bus Driver for High Definition Audio
IRQ 23 Intel(R) 5 Series/3400 Series Chipset Family USB Enhanced Host
Controller - 3B34
Appendix
- 72 -
Appendix

Appendix C: Memory Mapping

Address Device Description
D0000000 - FFFFFFFF PCI bus
D0000000 - FFFFFFFF Intel(R) HD Graphics
FB400000 - FB7FFFFF Intel(R) HD Graphics
FBC09000 - FBC0900F Intel(R) Management Engine Interface
FBC08000 - FBC083FF Intel(R) 5 Series/3400 Series Chipset Family USB
Enhanced Host Controller - 3B3C
FBC00000 - FBC03FFF Microsoft UAA Bus Driver for High Definition Audio
FBA00000 - FBBFFFFF Intel(R) 5 Series/3400 Series Chipset Family PCI
Express Root Port 2 - 3B44
FBA00000 - FBBFFFFF Intel(R) 82574L Gigabit Network Connection #2
FBB00000 - FBB1FFFF Intel(R) 82574L Gigabit Network Connection #2
FBB20000 - FBB23FFF Intel(R) 82574L Gigabit Network Connection #2
FB800000 - FB9FFFFF Intel(R) 5 Series/3400 Series Chipset Family PCI
Express Root Port 6 - 3B4C
FB800000 - FB9FFFFF Intel(R) 82574L Gigabit Network Connection
FB900000 - FB91FFFF Intel(R) 82574L Gigabit Network Connection
FB920000 - FB923FFF Intel(R) 82574L Gigabit Network Connection
FBC07000 - FBC073FF Intel(R) 5 Series/3400 Series Chipset Family USB
Enhanced Host Controller - 3B34
FBC06000 - FBC067FF Intel(R) 5 Series 6 Port SATA AHCI Controller
FBC05000 - FBC050FF Intel(R) 5 Series/3400 Series Chipset Family SMBus
Controller - 3B30
FED14000 - FED19FFF System board
E0000000 - EFFFFFFF System board
FED90000 - FED93FFF System board
FED20000 - FED3FFFF System board
FEE00000 - FEE0FFFF System board
FED1C000 - FED1FFFF System board
FEC00000 - FECFFFFF System board
FED08000 - FED08FFF System board
FF000000 - FFFFFFFF System board
- 73 -