12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
ID | Date | Version | Classification |
---|---|---|---|
767625 | 07/13/2023 | Public |
Revision ID and Class Code (RID2_CC_0_2_0_PCI) – Offset 8
This register contains the revision number for Device #2 Functions 0 and contains the device programming interface information related to the Sub-Class Code and Base Class Code definition for the IGD. This register also contains the Base Class Code and the function sub-class in relation to the Base Class Code.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:24 | 0x3 | RO/V | Base Class Code (BCC) This is an 8-bit value that indicates the base class code. When MGGC0[VAMEN] is 0 this code has the value 03h, indicating a Display Controller. When MGGC0[VAMEN] is 1 this code has the value 03h, indicating a Display Controller Device. |
23:16 | 0x0 | RO/V | Sub-Class Code (SUBCC) When MGGC0[VAMEN] is 0, this value is 00h. When MGGC0[VAMEN] is 1, this value is 80h, indicating other display device. |
15:8 | 0x0 | RO | Programming Interface (PI) When MGGC0[VAMEN] is 0 this value is 00h, indicating a Display Controller.When MGGC0[VAMEN] is 1 this value is 00h, indicating a NOP. |
7:0 | 0x0 | RW/V | Revision ID (RID) Revision ID of the device |