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11−14
11.22 Subsystem Access Register
The contents of the subsystem access register are aliased to the subsystem vendor ID and subsystem ID registers
at PCI offsets 2Ch and 2Eh, respectively. See Table 11−15 for a complete description of the register contents.
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Name Subsystem access
Type RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Name Subsystem access
Type RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Register: Subsystem access
Offset: 50h
Type: Read/Write
Default: 0000 0000h
Table 11−15. Subsystem Access Register Description
BIT FIELD NAME TYPE DESCRIPTION
31−16 SubsystemID RW
Subsystem device ID. The value written to this field is aliased to the subsystem ID register at
PCI offset 2Eh.
15−0 SubsystemVendorID RW
Subsystem vendor ID. The value written to this field is aliased to the subsystem vendor ID
register at PCI offset 2Ch.