FIC a440 服务手册
Software Functional Overview
3-10
FIC A440 Series Service Manual
3.3.12 PCI Device
The table below summarizes the IDSEL Pin Allocation:
IDSEL Pin
PCI
Device
Device
Number
Function
Number
Device Name
AD11
Device 00
Function 0
VT8601 Host to PCI bridge.
AD12
Device 01
Function 0
VT8601 PCI to PCI bridge.
AD17
Device 06
Function 0
MODEM / LAN
Function 0
VT82C686A – PCI to ISA bridge
Function 1
VT82C686A – IDE interface
Function 2
VT82C686A – USB Port 0-1 Interface
AD18
Device 07
Function 3
VT82C686A – USB Port 2-3 Interface.
Function 4
VT82C686A – PMU and SMBus interface
Function 5
VT82C686A – AC97 Audio Interface.
Function 6
VT82C686A – AC97 Modem Interface.
AD21
Device 0A
Function 0
Card Bus Socket A
Function 1
Card Bus Socket B
The table below summarizes the INT Pin Allocation:
INT Pin
PCI Device
INTA CardBus
INTB LAN/Modem
INTC VGA/Audio
INTD USB
INTB LAN/Modem
INTC VGA/Audio
INTD USB
The table below summarizes the PCI bus master Allocation:
REQ# Pin
PCI Device
REQ 0
CardBus
REQ 1
VGA
REQ 2
Audio
REQ 3
LAN/Modem