Intel® Quark SoC X1000—Legacy Bridge
Table 132. 8259 I/O Registers Alias Locations
Registers
Original I/O Location
MICW1
MOCW2
20h
MOCW3
MICW2
MICW3
21h
MICW4
MOCW1
SICW1
SoCW2
SoCW3
A0h
SICW2
SICW3
SICW4
SoCW1
ELCR1
ELCR2
A1h
4D0h
4D1h
Alias I/O Locations
24h
28h
2Ch
30h
34h
38h
3Ch
25h
29h
2Dh
31h
35h
39h
3Dh
A4h
A8h
ACh
B0h
B4h
B8h
BCh
A5h
A9h
ADh
B1h
B5h
B9h
BDh
N/A
N/A
Table 133. Summary of I/O Registers
Offset
Start
20h
21h
24h
Offset
End
20h
21h
24h
Register ID—Description
“Master Initialization Command Word 1 (MICW1)—Offset 20h†on
page 893
“Master Initialization Command Word 2 (MICW2)—Offset 21h†on
page 894
“Master Operational Control Word 2 (MOCW2)—Offset 24h†on
page 894
Default
Value
81Fh
63h
67h
Intel® Quark SoC X1000
DS
892
October 2013
Document Number: 329676-001US