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Appendix B Technical Summary
Page: B-6
PPC-7508F USER
′
S MANUAL
I/O & MEMORY MAP
Fixed I/O Ranges Decoded by ICH2
:
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 Forwarder 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
4E-4F LPC SIO LPC SIO Forwarder to LPC
50h-52h Timer/Counter Timer/Counter PIT
53h Reserved Timer/Counter PIT
60h Microcontroller Microcontroller Forwarder to LPC
61h NMI Controller NMI Controller Processor I/F
62h Microcontroller Microcontroller Forwarder to LPC
63h NMI Controller NMI Controller Processor I/F
64h Microcontroller Microcontroller Forwarder to LPC
65h NMI Controller NMI Controller Processor I/F
66h Microcontroller Microcontroller Forwarder to LPC
67h NMI Controller NMI Controller Processor I/F
70h Reserved
5
NMI & RTC controller RTC
71h RTC Controller RTC Controller RTC
72h RTC Controller NMI & RTC controller RTC
73h RTC Controller RTC Controller RTC
74h RTC Controller NMI & RTC controller RTC
75h RTC Controller RTC Controller RTC
76h RTC Controller NMI & RTC controller RTC
77h RTC Controller RTC Controller RTC