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Specification Sheet

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Processor Graphics Registers
116 Datasheet, Volume 2 of 2
4.14 Subsystem Identification (SID2)—Offset 2Eh
This register is used to uniquely identify the subsystem where the PCI device resides.
Access Method
Default: 0h
4.15 Video BIOS ROM Base Address (ROMADR)—Offset
30h
The Processor Graphics does not use a separate BIOS ROM. Therefore, this register is
hardwired to 0s.
Access Method
Default: 0h
Type: CFG
(Size: 16 bits)
Offset: [B:0, D:2, F:0] + 2Eh
15 12 8 4 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
SUBID
Bit
Range
Default &
Access
Field Name (ID): Description
15:0
0h
RW_O
SUBID: This value is used to identify a particular subsystem. This field should be
programmed by BIOS during boot-up. Once written, this register becomes Read_Only.
This register can only be cleared by a Reset.
Type: CFG
(Size: 32 bits)
Offset: [B:0, D:2, F:0] + 30h
3
1
2
8
2
4
2
0
1
6
1
2
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RBA
ADMSK
RSVD
RBE