User manual

95 PCA-6028 User Manual
Appendix B I/O Pin Assignments
B.20 Interrupt Assignments
B.21 1 MB Memory Map
B.22 PCI Bus Map
Table B.20: Interrupt Assignments
Interrupt# Interrupt source
IRQ0 System timer
IRQ1 Keyboard
IRQ2 Interrupt from controller 2 (cascade)
IRQ3 Communication port (COM2)
IRQ4 Communication port (COM1)
IRQ5 Available
IRQ6 Communication port (COM8-11) for PCA-COM485 module
IRQ7 Available
IRQ8 System COMS/Real-time clock
IRQ9 Available
IRQ10 Intel 8/C220 series SMBus Controller
IRQ11 Communication port (COM3-6) for PCA-COM232 module
IRQ12 PS/2 mouse
IRQ13 Numeric data processor
IRQ14 Available
IRQ15 Available
Table B.21: 1 MB memory map
Address Range Device
E8000h - FFFFFh BIOS
D0000h - E7F00 Unused
C0000h - CFF00 VGA BIOS
A0000h - BFFFFh Video Memory
00000h - 9FFFFh Base memory
Table B.22: PCI Bus Map
Signal IDSEL INT#PIN GNT REQ
PCI Slot 1 AD31 INT B, C, D, A GNT A REQ A
PCI Slot 2 AD30 INT C, D, A, B GNT B REQ B
PCI Slot 3 AD29 INT D, A, B, C GNT C REQ C
PCI Slot 4 AD28 INT A, B, C, D GNT D REQ D