SB4002A_Data Sheet_EN

SB4002A
27
Subsystem Vendor ID/Subsystem ID Register
Subsystem Vendor ID
15 0
Table 2-18. Subsystem Vendor ID Register Layout
Subsystem ID
15 0
Table 2-19. Subsystem ID Register Layout
Subsystem ID shows information on the manufacturer and the subsystem. The register is used to identify
the devices of the same vendor ID and the device ID. The vendor ID and the device ID provide information
on the controller chip, and the subsystem vendor ID and the subsystem ID provide information on the PCI
card. A vendor ID can be shared by numbers of subsystems. [RO : downloadable]
Capabilities Pointer Register
7 0
Capabilities Pointer
Table 2-20. Capability Pointer Register Layout
The pointer shows the address of the register for new functions of the device. The functions are defined in
PCI, and the address designated by the pointer has the ID of the function. The address + 01h provides the
address of the register for new functions. It is possible to add functions in this linked list method. If there is
no more function to be added, the pointer is set to 00h. [RO : downloadable]
Interrupt Line Register
7
Interrupt Line
0
Table 2-21. Interrupt Line Register Layout
This register contains routing information of the interrupt line. This register is set at the system initialization.
[R/W : non-downloadable]