Craig Hart's PCI+AGP bus sniffer, version 0.48vkA, freeware made in 1996-2003.

PCI BIOS Version 2.10 found!
Number of PCI Busses : 3
PCI Characteristics  : Config Mechanism 1 

Searching for PCI Devices using the OEMHLP$ driver

 Vendor 8086h Intel Corporation
 Device 2770h 82945G Processor to I/O Controller
 Command 0006h (Memory Access, BusMaster)
 Status 2090h (Has Capabilities List, Supports Back-To-Back Trans., Received Master Abort, Fast Timing)
 Revision 02h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Bridge, type PCI to HOST
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 New Capabilities List Present:
   Vendor-Dependant Capability

 Vendor 8086h Intel Corporation
 Device 2772h 82945G Integrated Graphics Controller
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0090h (Has Capabilities List, Supports Back-To-Back Trans., Fast Timing)
 Revision 02h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Display, type VGA
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 0 is a Memory Address (anywhere in 0-4Gb) : 50100000h
 Address 1 is an I/O Port : 000020E0h
 Address 2 is a Memory Address (anywhere in 0-4Gb, Prefetchable) : 40000000h
 Address 3 is a Memory Address (anywhere in 0-4Gb) : 50180000h
 System IRQ 11, INT# A
 New Capabilities List Present:
   Message Signalled Interrupt Capability
     MSI is disabled
     MSI function can generate 32-bit addresses
   Power Management Capability
     Supports power state D1
     Current Power State : D0 (Device operational, no power saving)

 Vendor 8086h Intel Corporation
 Device 27D8h 82801G (ICH7 Family) High Definition Audio
 Command 0006h (Memory Access, BusMaster)
 Status 0010h (Has Capabilities List, Fast Timing)
 Revision 01h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 Cache line size 64 Bytes (16 DWords)
 PCI Class Multimedia, type Unknown!
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 0 is a Memory Address (anywhere in 64-bit space) : 00000000501C0000h
 System IRQ 9, INT# A
 New Capabilities List Present:
   Power Management Capability
     Supports power state D1
     Current Power State : D0 (Device operational, no power saving)
   Message Signalled Interrupt Capability
     MSI is disabled
     MSI function can generate 64
-bit addresses
   Unknown Capability (Code 10h)!!

 Vendor 8086h Intel Corporation
 Device 27D0h 82801G (ICH7 Family) PCI Express Root Port
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0010h (Has Capabilities List, Fast Timing)
 Revision 01h, Header Type 81h, Bus Latency 00h
 Self test 00h (Self test not supported)
 Cache line size 64 Bytes (16 DWords)
 PCI Class Bridge, type PCI to PCI
 PCI Bridge Information:
   Primary Bus Number 0, Secondary Bus Number 1, Subordinate bus number 1
   Secondary Bus Command 0004h (ISA mapping)
   Secondary Bus Status 2000h (Received Master Abort, Fast Timing)
   Secondary Bus Latency 00h
   I/O Port Range Passed to Secondary Bus : None
   Memory   Range Passed to Secondary Bus : FFF00000h to 000FFFFFh
   Prefectchable Memory Range Passed to Secondary Bus : FFF00000h to 000FFFFFh
 New Capabilities List Present:
   Unknown Capability (Code 10h)!!
   Message Signalled Interrupt Capability
     MSI is disabled
     MSI function can generate 32-bit addresses
   Unknown Capability (Code 0Dh)!!
   Power Management Capability
     Supports power state D1
     Current Power State : D0 (Device operational, no power saving)

 Vendor 8086h Intel Corporation
 Device 27D2h 82801G (ICH7 Family) PCI Express Root Port
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0010h (Has Capabilities List, Fast Timing)
 Revision 01h, Header Type 81h, Bus Latency 00h
 Self test 00h (Self test not supported)
 Cache line size 64 Bytes (16 DWords)
 PCI Class Bridge, type PCI to PCI
 PCI Bridge Information:
   Primary Bus Number 0, Secondary Bus Number 2, Subordinate bus number 2
   Secondary Bus Command 0004h (ISA mapping)
   Secondary Bus Status 2000h (Received Master Abort, Fast Timing)
   Secondary Bus Latency 00h
   I/O Port Range Passed to Secondary Bus : 1000h to 1FFFh (16-bit)
   Memory   Range Passed to Secondary Bus : 50000000h to 500FFFFFh
   Prefectchable Memory Range Passed to Secondary Bus : FFF00000h to 000FFFFFh
 New Capabilities List Present:
   Unknown Capability (Code 10h)!!
   Message Signalled Interrupt Capability
     MSI is disabled
     MSI function can generate 32-bit addresses
   Unknown Capability (Code 0Dh)!!
   Power Management Capability
     Supports power state D1
     Current Power State : D0 (Device operational, no power saving)

 Vendor 8086h Intel Corporation
 Device 27D4h 82801G (ICH7 Family) PCI Express Root Port
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0010h (Has Capabilities List, Fast Timing)
 Revision 01h, Header Type 81h, Bus Latency 00h
 Self test 00h (Self test not supported)
 Cache line size 64 Bytes (16 DWords)
 PCI Class Bridge, type PCI to PCI
 PCI Bridge Information:
   Primary Bus Number 0, Secondary Bus Number 3, Subordinate bus number 3
   Secondary Bus Command 0004h (ISA mapping)
   Secondary Bus Status 2000h (Received Master Abort, Fast Timing)
   Secondary Bus Latency 00h
   I/O Port Range Passed to Secondary Bus : None
   Memory   Range Passed to Secondary Bus : FFF00000h to 000FFFFFh
   Prefectchable Memory Range Passed to Secondary Bus : FFF00000h to 000FFFFFh
 New Capabilities List Present:
   Unknown Capability (Code 10h)!!
   Message Signalled Interrupt Capability
     MSI is disabled
     MSI function can generate 32-bit addresses
   Unknown Capability (Code 0Dh)!!
   Power Management Capability
     Supports power state D1
     Current Power State : D0 (Device operational, no power saving)

 Vendor 8086h Intel Corporation
 Device 27D6h 82801G (ICH7 Family) PCI Express Root Port
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0010h (Has Capabilities List, Fast Timing)
 Revision 01h, Header Type 81h, Bus Latency 00h
 Self test 00h (Self test not supported)
 Cache line size 64 Bytes (16 DWords)
 PCI Class Bridge, type PCI to PCI
 PCI Bridge Information:
   Primary Bus Number 0, Secondary Bus Number 4, Subordinate bus number 4
   Secondary Bus Command 0004h (ISA mapping)
   Secondary Bus Status 2000h (Received Master Abort, Fast Timing)
   Secondary Bus Latency 00h
   I/O Port Range Passed to Secondary Bus : None
   Memory   Range Passed to Secondary Bus : FFF00000h to 000FFFFFh
   Prefectchable Memory Range Passed to Secondary Bus : FFF00000h to 000FFFFFh
 New Capabilities List Present:
   Unknown Capability (Code 10h)!!
   Message Signalled Interrupt Capability
     MSI is disabled
     MSI function can generate 32-bit addresses
   Unknown Capability (Code 0Dh)!!
   Power Management Capability
     Supports power state D1
     Current Power State : D0 (Device operational, no power saving)

 Vendor 8086h Intel Corporation
 Device 27C8h 82801G (ICH7 Family) USB Universal Host Controller
 Command 0005h (I/O Access, BusMaster)
 Status 0280h (Supports Back-To-Back Trans., Medium Timing)
 Revision 01h, Header Type 80h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Serial, type USB (UHCI)
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 4 is an I/O Port : 00002080h
 System IRQ 11, INT# A

 Vendor 8086h Intel Corporation
 Device 27C9h 82801G (ICH7 Family) USB Universal Host Controller
 Command 0005h (I/O Access, BusMaster)
 Status 0280h (Supports Back-To-Back Trans., Medium Timing)
 Revision 01h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Serial, type USB (UHCI)
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 4 is an I/O Port : 00002060h
 System IRQ 9, INT# B

 Vendor 8086h Intel Corporation
 Device 27CAh 82801G (ICH7 Family) USB Universal Host Controller
 Command 0005h (I/O Access, BusMaster)
 Status 0280h (Supports Back-To-Back Trans., Medium Timing)
 Revision 01h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Serial, type USB (UHCI)
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 4 is an I/O Port : 00002040h
 System IRQ 10, INT# C

 Vendor 8086h Intel Corporation
 Device 27CBh 82801G (ICH7 Family) USB Universal Host Controller
 Command 0005h (I/O Access, BusMaster)
 Status 0280h (Supports Back-To-Back Trans., Medium Timing)
 Revision 01h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Serial, type USB (UHCI)
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 4 is an I/O Port : 00002020h
 System IRQ 11, INT# D

 Vendor 8086h Intel Corporation
 Device 27CCh 82801G (ICH7 Family) USB 2.0 Enhanced Host Controller
 Command 0006h (Memory Access, BusMaster)
 Status 0290h (Has Capabilities List, Supports Back-To-Back Trans., Medium Timing)
 Revision 01h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Serial, type USB (EHCI)
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 0 is a Memory Address (anywhere in 0-4Gb) : 501C4000h
 System IRQ 11, INT# A
 New Capabilities List Present:
   Power Management Capability
     Supports power state D1
     Current Power State : D0 (Device operational, no power saving)
   Debug Port Capability

 Vendor 8086h Intel Corporation
 Device 244Eh 82801GB Hub Interface to PCI Bridge (ICH7 A1 step)
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0010h (Has Capabilities List, Fast Timing)
 Revision E1h, Header Type 01h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Bridge, type PCI to PCI (Subtractive Decode)
 PCI Bridge Information:
   Primary Bus Number 0, Secondary Bus Number 5, Subordinate bus number 5
   Secondary Bus Command 0004h (ISA mapping)
   Secondary Bus Status 2280h (Supports Back-To-Back Trans., Received Master Abort, Medium Timing)
   Secondary Bus Latency 20h
   I/O Port Range Passed to Secondary Bus : None
   Memory   Range Passed to Secondary Bus : FFF00000h to 000FFFFFh
   Prefectchable Memory Range Passed to Secondary Bus : FFF00000h to 000FFFFFh
 New Capabilities List Present:
   Unknown Capability (Code 0Dh)!!

 Vendor 8086h Intel Corporation
 Device 27B8h 82801GB/GR (ICH7 Family) LPC Interface Controller
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0210h (Has Capabilities List, Medium Timing)
 Revision 01h, Header Type 80h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Bridge, type PCI to ISA
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 New Capabilities List Present:
   Vendor-Dependant Capability

 Vendor 8086h Intel Corporation
 Device 27DFh 82801G (ICH7 Family) Ultra ATA Storage Controller
 Command 0005h (I/O Access, BusMaster)
 Status 0288h (Signalled Interrupt, Supports Back-To-Back Trans., Medium Timing)
 Revision 01h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Storage, type IDE
 PCI EIDE Controller Features :
   BusMaster EIDE is supported
   Primary   Channel is at I/O Port 01F0h and IRQ 14
   Secondary Channel is at I/O Port 0170h and IRQ 15
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 0 is an I/O Port : 00000000h
 Address 1 is an I/O Port : 00000000h
 Address 2 is an I/O Port : 00000000h
 Address 3 is an I/O Port : 00000000h
 Address 4 is an I/O Port : 000020B0h
 System IRQ 10, INT# A

 Vendor 8086h Intel Corporation
 Device 27C0h 82801GB/GR/GH (ICH7 Family) Serial ATA Storage Controller
 Command 0005h (I/O Access, BusMaster)
 Status 02B0h (Has Capabilities List, Supports 66MHz, Supports Back-To-Back Trans., Medium Timing)
 Revision 01h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Storage, type IDE
 PCI EIDE Controller Features :
   BusMaster EIDE is supported
   Primary   Channel is in native mode at Addresses 0 & 1
   Secondary Channel is in native mode at Addresses 2 & 3
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 0 is an I/O Port : 000020C8h
 Address 1 is an I/O Port : 000020ECh
 Address 2 is an I/O Port : 000020C0h
 Address 3 is an I/O Port : 000020E8h
 Address 4 is an I/O Port : 000020A0h
 System IRQ 9, INT# B
 New Capabilities List Present:
   Power Management Capability
     Supports power state D1
     Current Power State : D0 (Device operational, no power saving)

 Vendor 8086h Intel Corporation
 Device 27DAh 82801G (ICH7 Family) SMBus Controller
 Command 0001h (I/O Access)
 Status 0280h (Supports Back-To-Back Trans., Medium Timing)
 Revision 01h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 PCI Class Serial, type SMBus Controller
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 4 is an I/O Port : 00002000h
 System IRQ 9, INT# B

 Vendor 10ECh Realtek Semiconductor
 Device 8168h RTL8168/8111 PCI-E Gigabit Ethernet NIC
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0010h (Has Capabilities List, Fast Timing)
 Revision 01h, Header Type 00h, Bus Latency 00h
 Self test 00h (Self test not supported)
 Cache line size 64 Bytes (16 DWords)
 PCI Class Network, type Ethernet
 Subsystem ID D6068086h Unknown
 Subsystem Vendor 8086h Intel Corporation
 Address 0 is an I/O Port : 00001000h
 Address 2 is a Memory Address (anywhere in 64-bit space) : 0000000050000000h
 System IRQ 10, INT# A
 Expansion ROM of 128Kb decoded by this card
 New Capabilities List Present:
   Power Management Capability
     Supports power state D1
     Current Power State : D0 (Device operational, no power saving)
   Vital Product Data Capability
   Message Signalled Interrupt Capability
     MSI is disabled
     MSI function can generate 64
-bit addresses
   Unknown Capability (Code 10h)!!
   Vendor-Dependant Capability

ROM PCI IRQ routing table Windows 9x Compatibility Tests....
 ROM IRQ routing table found at F000h:E990h
 Table Version 1.0 - OK
 Table size 352 bytes - OK
 Table Checksum 3Bh - Failed!
 IRQ's dedicated to PCI : None
 The ROM PCI IRQ routing table appears to be faulty!!

IRQ Summary: IRQs 9,10,11,14,15 are used by PCI devices
Shared IRQs: IRQ 9 is shared by 4 PCI Devices
             IRQ 10 is shared by 3 PCI Devices
             IRQ 11 is shared by 4 PCI Devices
