Specifications

E
I/O map
161
I/O map
Thehubinterfacecyclesthatgototargetrangesthataremarkedas“RESERVED”arenot
decodedbytheICH;theyarepassedtothePCI.IfaPCImastertar g etsoneofthefixedI/O
targetranges,itispositivelydecodedbytheICHinMediumspeed.Addressrangesthat
arenotmarkedorspecifiedinTable 54arenotdecodedbytheICHunlessassignedtoone
ofthevariablesranges.
Table 54. ICH10R I/O address map
I/O address Read target Write target Functional unit Location
00h–08h DMA Controller DMA Controller DMA ICH10R
09h–0Eh RESERVED DMA Controller DMA ICH10R
0Fh DMA Controller DMA Controller DMA ICH10R
10h–18h DMA Controller DMA Controller DMA ICH10R
19h–1Eh RESERVED DMA Controller DMA ICH10R
1Fh DMA Controller DMA Controller DMA ICH10R
20h–21h Interrupt Controller Interrupt Controller Interrupt ICH10R
24h–25h Interrupt Controller Interrupt Controller Interrupt ICH10R
28h–29h Interrupt Controller Interrupt Controller Interrupt ICH10R
2Ch–2Dh Interrupt Controller Interrupt Controller Interrupt ICH10R
2Eh–2Fh LPC SIO LPC SIO Forwarded to LPC ICH10R
30h–31h Interrupt Controller Interrupt Controller Interrupt ICH10R
34h–35h Interrupt Controller Interrupt Controller Interrupt ICH10R
38h–39h Interrupt Controller Interrupt Controller Interrupt ICH10R
3Ch–3Dh Interrupt Controller Interrupt Controller Interrupt ICH10R
40h–42h Timer/Counter Timer/Counter PIT (8254) ICH10R
43h RESERVED Timer/Counter PIT ICH10R
4Eh–4Fh LPC-SIO LPC SIO Forwarded to LPC ICH10R
50h-52h Timer/Counter Timer/Counter PIT ICH10R
53h RESERVED Timer/Counter PIT ICH10R
60h Microcontroller Microcontroller Forwarded to LPC ICH10R
61h NMI Controller NMI Controller Processor I/F ICH10R
62h Microcontroller Microcontroller Forwarded to LPC ICH10R
64h Microcontroller Microcontroller Forwarded to LPC ICH10R
66h Microcontroller Microcontroller Forwarded to LPC ICH10R
70h RESERVED NMI and RTC Controller RTC ICH10R
71h RTC Controller RTC Controller RTC ICH10R
72h RTC Controller NMI and RTC Controller RTC ICH10R
73h RTC Controller RTC Controller RTC ICH10R
74h RTC Controller NMI and RTC Controller RTC ICH10R
75h RTC Controller RTC Controller RTC ICH10R
76h RTC Controller NMI and RTC Controller RTC ICH10R
77h RTC Controller RTC Controller RTC ICH10R
80h DMA Controller, or LPC, or PCI DMA Controller, or LPC, or PCI DMA ICH10R