User`s manual
Appendix B Technical Summary 
Page: B-6 
Prox-1750G1/G2 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 










