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Address (hex)
03E8-03EF
03F0-03F5
03F6
03F7
03F7, bit 7
03F7, bits 6:0
03F8-03FF
0CF8-0CFB - 4
bytes
0CF9
0CFC-0CFF - 4
bytes
PCI Configuration Space Map
Bus #
Device #
00
00
00
02
00
1E
00
1F
00
1F
00
1F
00
1F
01
08
01
09
01
0F
01
0E
01
0D
01
0C
Interrupts
IRQ
System Resource
NMI
I/O channel check
0
Reserved, interval timer
Appendix A: Technical Specifications
Description
COM3 (default)
Floppy Channel 1
Primary IDE channel command port
Floppy Channel 1 command
Floppy disk change channel 1
Primary IDE channel status report
COM1 (default)
PCI configuration address register
Reset control register
PCI configuration data register
Function #
Description
00
815E (Host Bridge)
00
815E VGA Controller
00
Hub Interface to PCI Bridge
00
C-ICH LPC Bridge
01
C-ICH Master IDE Controller
02
C-ICH USB
03
C-ICH SMBus Controller
00
LAN0 Controller (Ethernet
2459h)
00
LAN1 Controller (Ethernet
245Dh)
00
PCI expansion slot 1
00
PCI expansion slot 2
00
PCI expansion slot 3
00
PCI expansion slot 3
35
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