Intel AL440LX User Manual

Technical Reference
52
PCI Configuration Space Map
Table 34. PCI Configuration Space Map
Bus
Number (hex)
Device
Number (hex)
Function
Number (hex) Description
00 00 00 Intel 82440LX (PAC)
00 01 00 Intel 82371AB (PIIX4 ) A.G.P. bus
00 07 00 Intel 82371AB (PIIX4 ) PCI/ISA bridge
00 07 01 Intel 82371AB (PIIX4 ) IDE bus master
00 07 02 Intel 82371AB (PIIX4 ) USB
00 07 03 Intel 82371AB (PIIX4 ) 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)
Interrupts
Table 35. 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 Reserved
10 User available
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

Intel AL440LX Specifications

General

Brand	Intel
Model	AL440LX
Category	Motherboard
Language	English