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Vig390s Motherboard Manual V1.0
114
03B0 - 03BB 12 bytes Video (monochrome)
03C0 - 03DF 32 bytes Video (VGA)
03E8 - 03EF 8 bytes COM3
03F0 - 03F5, 03F7 7 bytes Floppy Controller
03F6 1 byte Primary IDE controller
03F8 - 03FF 8 bytes COM1
04D0 - 04D1 2 bytes Edge/level triggered PIC
0530 - 0537 8 bytes Windows Sound System
LPTn + 400h 8 bytes ECP port, LPTn base address + 400h
0CF8 - 0CFF* 8 bytes PCI configuration registers
0CF9** 1 byte Turbo and reset control register
* DWORD access only
** Byte access only
Table 83: Typical PCI Configuration Space Map
Bus
Number (hex)
Device
Number (hex)
Function
Number (hex)
Description
00 00 00 Intel 82440BX (PAC)
00 01 00 Intel 82440BX (PAC) AGP bus
00 07 00 Intel 82371AB (PIIX4E ) PCI/ISA bridge
00 07 01 Intel 82371AB (PIIX4E ) IDE bus
master
00 07 02 Intel 82371AB (PIIX4E ) USB
00 07 03 Intel 82371AB (PIIX4E ) power
management
00 0D 00 PCI expansion slot 1 (J4D2)
00 0E 00 PCI expansion slot 2 (J4D1)
00 0F 00 PCI expansion slot 3 (J4C1)
00 10 00 PCI expansion slot 4 (J4B1)
Table 84: Standard interrupt assignments
I R Q Priority Standard Function
0 1 System Timer
1 2 Keyboard Controller
2 - Re-direct to IRQ#9
3 11 Communications Port (COM2)*
4 12 Communications Port (COM1)*
5 13 IRQ holder for PCI steering*
6 14 Floppy Disk Controller
7 15 Printer Port (LPT1)*
8 3 System CMOS/Real Time Clock
9 4 IRQ holder for PCI steering*
10 5 IRQ holder for PCI steering*
11 6 IRQ holder for PCI steering*
12 7 PS/2 Compatible Mouse Port*
13 8 Numeric Data Processor
14 9 Primary IDE Channel
15 10 Secondary IDE Channel
Note: * These IRQs are usually available for ISA or PCI devices.