SB4002A_Data Sheet_EN

SB4002A

2.4 Vital Product Data (VPD)

VPD is a capability register prepared to provide additional information on the system and the

device.

VPD is located in the memory devices such as serial EEPROM. The data are accessed through

the VPD capability register in the Configuration Space Header. The register addresses can be

changed. In SB4002A, the register is in 48h~4Fh. In order to use VPD, you need to set the

capability pointer to 48h.

SB4002A adopts the VPD format defined in PCI Specification Revision 2.3. The following figure

shows the registers contained in the Configuration Space Header. SB4002A supports read access

via VPD, and does not support write access.

4Ch

VPD Address

VPD Data

Capability ID1F Next Item Ptr148h

Table 2-31. Vital Product Data Registers

Capability ID1 Register

Vital Product Data ID

Table 2-32. Capability ID1 Register Layout for Vital Product Data

Capability ID for the Vital Product Data. The default is 03h. [RO : non-downloadable]

Next Item Pointer1 Register

Next Item Pointer1

Table 2-33. Next Item1 Pointer Register Layout

The pointer indicates the address of the register for the next capability. If there is no next capability, the value

must be 00h. [RO : downloadable]