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Bitfields for PCI Configuration CardBus CIS Pointer
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Bit
Description
2 - 0
address space
000
-
in device's device-specific configuration space
001
-
in memory pointed to by base address register 0
010
-
in memory pointed to by base address register 1
011
-
in memory pointed to by base address register 2
100
-
in memory pointed to by base address register 3
101
-
in memory pointed to by base address register 4
110
-
in memory pointed to by base address register 5
111
-
in device's expansion ROM
27 - 3
offset within address space defined by bits 2-0
31 - 28
ROM image number (when address space is expansion ROM)
See Also:
#00878