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Chapter 1
9
ALI M1543C GPIO (General Purpose I/O) PIN Definitions
I/O Address Map
Hex Range
Devices
000-00F
020-021
040-043
060-060
061-061
070-071
081-08F
0A0-0A1
0C0-0DF
0F0-0FF
170-177
1F0-1F7
278-27F
2F8-2FF
378-37F
3F0-3F5
3F6-3F6
3F7-3F7
3F8-3FF
0CF8
0CFC
778-77A
DMA Controller-1
Interrupt Controller-1
System Timer
Keyboard Controller 8742
System Speaker
CMOS RAM Address and Real Time Clock
DMA Controller-2
Interrupt Controller-2
DMA Controller-2
Math Co-Processor
Secondary IDE
Primary IDE
Parallel Printer Port 2
Serial Asynchronous Port 2
Parallel Printer Port 1
Floppy Disk Controller
Secondary IDE
Primary IDE
Serial Asynchronous Port 1
Configuration Address Register
Configuration Data Register
Parallel Printer Port 1
Item
Description
GPO3
FANOFFJ
0: Turn off the fan
1: Turn on the fan
GPO22
DISS0I01
0: Disabled
1: Enabled
GPI2
CHKPSW
0: Bypass
1: Check password
GPO2
PWRLED
0: Suspend
1: Normal
Summary of Contents for AcerPower SN
Page 6: ...VI ...
Page 44: ...36 Chapter 2 ...
Page 66: ...58 Chapter 4 ...
Page 70: ...62 Chapter 5 ...
Page 72: ...64 Chapter 6 ...
Page 80: ...72 Chapter 6 ...
Page 82: ...74 Appendix A ...
Page 90: ...82 Appendix B ...
Page 92: ...84 Appendix C ...