Intel AN430TX Product Specification - Page 50

PCI Configuration Space Map, 2.5 Interrupts, Table 37.

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AN430TX Motherboard Technical Product Specification 2.4 PCI Configuration Space Map Table 37. PCI Configuration Space Map Bus Number (hex) 00 00 00 00 00 00 00 00 00 00 Device Number (hex) 00 07 07 07 07 08 0D 0E 0F 10 Function Number (hex) 00 00 01 02 03 00 00 00 00 00 Description Intel 82430TX (MTXC) Intel 82430TX (PIIX4 ) PCI/ISA bridge, function 0 Intel 82430TX (PIIX4 ) IDE Bus Master, function 1 Intel 82430TX (PIIX4 ) USB, function 2 Intel 82430TX (PIIX4) Power Management, function 3 ATI VGA Graphics PCI Expansion Slot #1 (J4E2) PCI Expansion Slot #2 (J4E1) PCI Expansion Slot #3 (J4D1) PCI Expansion Slot #4 (J4C1) 2.5 Interrupts Table 38. Interrupts IRQ System Resource NMI I/O Channel Check 0 Reserved, Interval Timer 1 Reserved, Keyboard Buffer Full 2 Reserved, Cascade Interrupt From Slave PIC 3 COM2* 4 COM1* 5 LPT2 (Plug and Play option) / Audio / User available 6 Floppy Drive 7 LPT1* 8 Real Time Clock 9 User available 10 User available / USB 11 Windows Sound System* / User available 12 Onboard Mouse Port (if present, else user available) 13 Reserved, Math Coprocessor 14 Primary IDE (if present, else user available) 15 Secondary IDE (if present, else user available) * Default, but can be changed to another IRQ 50

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AN430TX Motherboard Technical Product Specification
50
2.4 PCI Configuration Space Map
Table 37.
PCI Configuration Space Map
Bus
Number (hex)
Device
Number (hex)
Function
Number (hex)
Description
00
00
00
Intel 82430TX (MTXC)
00
07
00
Intel 82430TX (PIIX4 ) PCI/ISA bridge, function 0
00
07
01
Intel 82430TX (PIIX4 ) IDE Bus Master, function 1
00
07
02
Intel 82430TX (PIIX4 ) USB, function 2
00
07
03
Intel 82430TX (PIIX4) Power Management, function 3
00
08
00
ATI VGA Graphics
00
0D
00
PCI Expansion Slot #1 (J4E2)
00
0E
00
PCI Expansion Slot #2 (J4E1)
00
0F
00
PCI Expansion Slot #3 (J4D1)
00
10
00
PCI Expansion Slot #4 (J4C1)
2.5 Interrupts
Table 38.
Interrupts
IRQ
System Resource
NMI
I/O Channel Check
0
Reserved, Interval Timer
1
Reserved, Keyboard Buffer Full
2
Reserved, Cascade Interrupt From Slave PIC
3
COM2*
4
COM1*
5
LPT2 (Plug and Play option) / Audio / User available
6
Floppy Drive
7
LPT1*
8
Real Time Clock
9
User available
10
User available / USB
11
Windows Sound System* / User available
12
Onboard Mouse Port (if present, else user available)
13
Reserved, Math Coprocessor
14
Primary IDE (if present, else user available)
15
Secondary IDE (if present, else user available)
*
Default, but can be changed to another IRQ