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M o t h e r b o a r d : f e a t u r e s & u p g r a d e s
PCI Configuration Space Map
Bus
Device
Number (hex)
Number (hex)
00
00
01
00
00
02
00
02
00
02
00
02
00
03
00
09
00
0D
00
0E
00
0F
00
10
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
Plug and Play option /audio/user available
6
Floppy drive
7
LPT1*
8
Real time clock
9
Reserved
10
Windows Sound System*
11
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)
5/26
FT1200 HANDBOOK
Function
Number (hex)
00
00
00
01
02
03
00
00
00
00
00
00
∗
Default, but can be changed to another IRQ
Description
Intel 82443LX (PAC)
Intel 82371AB (PAC ) A.G.P. bus
Intel 82371AB (PIIX4 ) PCI/ISA bridge
Intel 82371AB (PIIX4 ) IDE bus master
Intel 82371AB (PIIX4 ) USB
Intel 82371AB (PIIX4 ) power
management
Ethernet
SCSI
PCI expansion slot 1 (J1D2)
PCI expansion slot 2 (J1D1)
PCI expansion slot 3 (J1C1)
PCI expansion slot 4 (J1B1)
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