Craig Hart's PCI+AGP bus sniffer, version 1.1, freeware made in 1996-2005.

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

Searching for PCI Devices using Configuration Mechanism 1

 Vendor 1106h VIA Technologies Inc
 Device 0585h VT82C585 Apollo VP,VPX,VPX-97 System Controller
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 02A0h (Supports 66MHz, Supports Back-To-Back Trans., Medium Timing)
 Revision 23h, Header Type 00h, Bus Latency Timer 20h
 Self test 00h (Self test not supported)
 PCI Class Bridge, type PCI to HOST

 Vendor 1106h VIA Technologies Inc
 Device 0586h VT82C586/A/B PCI to ISA Bridge
 Command 008Fh (I/O Access, Memory Access, BusMaster, Special Cycles, Wait Cycles)
 Status 0200h (Medium Timing)
 Revision 41h, Header Type 80h, Bus Latency Timer 00h
 Self test 00h (Self test not supported)
 PCI Class Bridge, type PCI to ISA

 Vendor 1106h VIA Technologies Inc
 Device 0571h VT82xxxx EIDE Controller (All VIA Chipsets)
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0280h (Supports Back-To-Back Trans., Medium Timing)
 Revision 06h, Header Type 00h, Bus Latency Timer 20h
 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
 Address 4 is an I/O Port : 0000F000h

 Vendor 1106h VIA Technologies Inc
 Device 3040h VT86C586B Power Management Controller
 Command 0000h (Bus Access Disabled!!)
 Status 0280h (Supports Back-To-Back Trans., Medium Timing)
 Revision 10h, Header Type 00h, Bus Latency Timer 00h
 Self test 00h (Self test not supported)
 PCI Class Unknown, type Undefined

 Vendor 1002h ATI Technologies Inc
 Device 4755h Rage 3D II+ [Mach64 GTB]
 Command 0087h (I/O Access, Memory Access, BusMaster, Wait Cycles)
 Status 0280h (Supports Back-To-Back Trans., Medium Timing)
 Revision 9Ah, Header Type 00h, Bus Latency Timer 20h
 Minimum Bus Grant 08h, Maximum Bus Latency 00h
 Self test 00h (Self test not supported)
 Cache line size 32 Bytes (8 DWords)
 PCI Class Display, type VGA
 Subsystem ID 47551002h Rage 3D II+ [Mach64 GTB] (Generic ID)
 Subsystem Vendor 1002h ATI Technologies Inc
 Address 0 is a Memory Address (anywhere in 0-4Gb) : E0000000h
 Address 1 is an I/O Port : 0000F200h
 Address 2 is a Memory Address (anywhere in 0-4Gb) : E1000000h
 Expansion ROM of 0Kb decoded by this card (Currently disabled)

 Vendor 10ECh Realtek Semiconductor
 Device 8139h RT8139 (A/B/C/813x) Fast Ethernet Adapter
 Command 0007h (I/O Access, Memory Access, BusMaster)
 Status 0290h (Has Capabilities List, Supports Back-To-Back Trans., Medium Timing)
 Revision 10h, Header Type 00h, Bus Latency Timer 20h
 Minimum Bus Grant 20h, Maximum Bus Latency 40h
 Self test 00h (Self test not supported)
 PCI Class Network, type Ethernet
 Subsystem ID 813910ECh RT8139 (A/B/C/810x) Fast Ethernet Adapter (Generic ID)
 Subsystem Vendor 10ECh Realtek Semiconductor
 Address 0 is an I/O Port : 0000F300h
 Address 1 is a Memory Address (anywhere in 0-4Gb) : E1001000h
 System IRQ 11, INT# A
 New Capabilities List Present:
   Power Management Capability, Version 1.1
     Supports low power State D1
     Supports low power State D2
     Supports PME# signalling from mode(s) D1, D2, D3hot
     PME# signalling is currently disabled
     Current Power State : D0 (Device operational, no power saving)

 Vendor 1274h Creative (Was: Ensoniq)
 Device 5000h ES1370 AudioPCI
 Command 0005h (I/O Access, BusMaster)
 Status 0400h (Slow Timing)
 Revision 00h, Header Type 00h, Bus Latency Timer 20h
 Minimum Bus Grant 0Ch, Maximum Bus Latency 80h
 Self test 00h (Self test not supported)
 PCI Class Multimedia, type Audio
 Subsystem ID 4C4C4942h Creative Sound Blaster AudioPCI 64
 Subsystem Vendor 4942h Known Bad Subsystem ID - no Vendor ID Available
 Address 0 is an I/O Port : 0000F400h
 System IRQ 10, INT# A

ROM PCI IRQ routing table Windows 9x Compatibility Tests....
No ROM PCI IRQ routing table found!!!

IRQ Summary: IRQs 10,11,14,15 are used by PCI devices
Shared IRQs: There are no shared PCI IRQs