Bus Map
Domain |
Bus |
Device |
Function |
Description |
|---|---|---|---|---|
0000 |
00 |
00 |
0 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
00 |
2 |
IOMMU: Input/output Memory Management Unit, handles memory access for devices. |
0000 |
00 |
01 |
0 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
01 |
1 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
00 |
01 |
3 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
00 |
02 |
0 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
03 |
0 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
03 |
1 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
00 |
04 |
0 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
07 |
0 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
07 |
1 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
00 |
08 |
0 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
08 |
1 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
00 |
14 |
0 |
SMBus: System Management Bus, used for communication with low-bandwidth devices. |
0000 |
00 |
14 |
3 |
ISA bridge: Legacy bridge for ISA devices. |
0000 |
00 |
18 |
0 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
18 |
1 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
18 |
2 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
18 |
3 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
18 |
4 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
18 |
5 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
18 |
6 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
00 |
18 |
7 |
Host bridge: Manages communication between the CPU and other components. |
0000 |
01 |
00 |
0 |
Non-Volatile memory controller: Manages non-volatile memory devices like SSDs. |
0000 |
02 |
00 |
0 |
USB controller: Manages USB devices and data transfer. |
0000 |
02 |
00 |
1 |
SATA controller: Manages SATA devices like hard drives and SSDs. |
0000 |
02 |
00 |
2 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
03 |
00 |
0 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
03 |
02 |
0 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
03 |
03 |
0 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
03 |
04 |
0 |
PCI bridge: Connects PCI buses, allowing expansion of PCI devices. |
0000 |
04 |
00 |
0 |
USB controller: Manages USB devices and data transfer. |
0000 |
05 |
00 |
0 |
Ethernet controller: Manages network communication via Ethernet. |
0000 |
06 |
00 |
0 |
Ethernet controller: Manages network communication via Ethernet. |
0000 |
08 |
00 |
0 |
VGA compatible controller: Manages video output and graphics. |
0000 |
08 |
00 |
1 |
Audio device: Manages audio input and output. |
0000 |
09 |
00 |
0 |
Non-Essential Instrumentation [1300]: Provides additional system functionality. |
0000 |
09 |
00 |
2 |
Encryption controller: Manages encryption and decryption operations. |
0000 |
09 |
00 |
3 |
USB controller: Manages USB devices and data transfer. |
0000 |
0A |
00 |
0 |
Non-Essential Instrumentation [1300]: Provides additional system functionality. |
0000 |
0A |
00 |
2 |
SATA controller: Manages SATA devices like hard drives and SSDs. |
Note
Global registry – PCI Special Interest Group.
Advanced Micro Devices, Inc (4130, 1022 Hex)
Intel Corporation (32902, 8086 Hex)