Intel Vig390s User Manual
Page 115

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.