User manual

93 PCE-5127/7127 User Manual
Appendix B I/O Pin Assignments
B.18 Fixed I/O Ranges Decoded by Intel PCH
Table B.18: Fixed I/O Ranges Decoded by PCH
I/O Address Read Target Write Target Internal Unit
00h-08h
DMA Controller DMA Controller DMA
09h-0Eh
RESERVED DMA Controller DMA
0Fh DMA Controller DMA Controller DMA
10h-18h
DMA Controller DMA Controller DMA
19h-1Eh
RESERVED DMA Controller DMA
1Fh DMA Controller DMA Controller DMA
20h-21h
Interrupt Controller Interrupt Controller Interrupt
24h-25h
Interrupt Controller Interrupt Controller Interrupt
28h-29h
Interrupt Controller Interrupt Controller Interrupt
2Ch-2Dh
Interrupt Controller Interrupt Controller Interrupt
2Eh-2Fh
LPC SIO LPC SIO Forwarded to LPC
30h-31h
Interrupt Controller Interrupt Controller Interrupt
34h-35h
Interrupt Controller Interrupt Controller Interrupt
38h-39h
Interrupt Controller Interrupt Controller Interrupt
3Ch-3Dh
Interrupt Controller Interrupt Controller Interrupt
40h-42h
Timer/Counter Timer/Counter PIT (8254)
43h RESERVED Timer/Counter PIT
4Eh-4Fh
LPC SIO LPC SIO Forwarded to LPC
50h-52h
Timer/Counter Timer/Counter PIT
53h RESERVED Timer/Counter PIT
60h Micro controller Micro controller Forwarded to LPC
61h NMI Controller NMI Controller Processor I/F
62h Micro controller Micro controller Forwarded to LPC
64h Micro controller Micro controller Forwarded to LPC
66h Micro controller Micro controller Forwarded to LPC
70h RESERVED
NMI and RTC Control-
ler
RTC
71h RTC Controller RTC Controller RTC
72h RTC Controller
NMI and RTC Control-
ler
RTC
73h RTC Controller RTC Controller RTC
74h RTC Controller
NMI and RTC Control-
ler
RTC
75h RTC Controller RTC Controller RTC
76h RTC Controller
NMI and RTC Control-
ler
RTC
77h RTC Controller RTC Controller RTC
80h
DMA Controller, LPC,
PCI, or PCIe
DMA Controller, LPC,
PCI, or PCIe
DMA
81h
-83
h
DMA Controller D
MA Controller DMA
84h-86h
DMA Controller
DMA Controller and
LPC, PCI, or PCIe
DMA