AMD
P R E L I M I N A R Y
Am79C930 Device ISA Plug And Play Mode Plug And Play Register Set
ISA Plug and Play
Plug and Play Port
ADDRESS
Register Name
Set READ_DATA port
Serial Isolation
Physical Location
00h
01h
02h
03h
04h
BIU
BIU
Configuration Control
Wake [CSN]
BIU
BIU
Resource Data
Flash Memory 1 FC00h–1 FFF0h
Total of 1K–16 bytes. The uppermost 16
bytes of Flash memory space are
reserved because they are the location of
the embedded 80188 core’s instruction
pointer following an Am79C930 device
reset operation.
Status
05h
06h
BIU
BIU
BIU
NA
Card Select Number (CSN)
Logical Device Number
Unused
07h
08h–2Fh
30h
Activate
BIU
BIU
NA
I/O Range Check
Unused
31h
32h–3Fh
0 40h
Memory Base Address
bits [23:16] descriptor
BIU
Memory Base Address
bits [15:08] descriptor
0 41h
BIU
Memory Control
42h
BIU
BIU
Memory range length
0 43h
bits [23:16] for descriptor
Memory range length
0 44h
BIU
bits [25:08] for descriptor
Unused
45h–5Fh
0 60h
NA
I/O Base Address
BIU
bits [15:08] descriptor
I/O Base Address
0 61h
BIU
bits [07:00] descriptor
Memory Control
62h–6Fh
70h
BIU
BIU
BIU
NA
Interrupt request level select 0
Interrupt request type select
Unused
0 71h
72h–73h
74h
DMA Channel Select 0
Unused
BIU
NA
75h–FFh
Am79C930
69
AMD [ AMD ]
