103 Appendix B
B.20 SM Bus Connector (CN29)
B.21 System I/O Ports
Table B.20: SM Bus Connector (CN 29)
Pin Signal
1SMB_DATA
2SMB_CLK
Table B.21: System I/O Ports
Address Range HEX Device
000 00F Direct memory access controller
000 03A PCI Bus
010 01F Motherboard resources
020 021 Programmable interrupt controller
022 03F Motherboard resources
040 043 System timer
044 05F Motherboard resources
060 060 Standard 101/102 key or Microsoft
Natural PS/2
061 061 System speaker
062 063 Motherboard resources
064 064 Standard 101/102 key or Microsoft
Natural PS/2
065 06F Motherboard resources
070 073 System CMOS/real time clock
074 07F Motherboard resources
080 090 Direct memory access controller
091 093 Motherboard resources
094 09F Direct memory access controller
0A0 0A1 Programmable interrupt controller
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