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Hardware Specifications and Configurations
1-45
System I/O Address Specifications
I/O address (hex)
System Function (shipping configuration)
220 - 22F
Entertainment audio
230 - 26D
Unused
26E - 26
Unused
278 - 27F
Unused
280 - 2AB
Unused
2A0 - 2A7
Unused
2A8 - 2E7
Unused
2E8 - 2EF
Reserved serial port
2F0 - 2F7
Unused
2F8 - 2FF
Infrared port
300 - 31F
Unused
320 - 36F
Unused
370 - 377
Secondary diskette drive controller
378 - 37F
Parallel port (LPT1/default)
380 - 387
Unused
388 - 38B
FM synthesizer-OPL3
38C - 3AF
Unused
3B0 - 3BB
VGA
3BC - 3BF
Reserved (parallel port/no EPP support)
3C0 - 3DF
VGA
3E0 - 3E1
ExpressCard controller in CPU
3E2 - 3E3
Unused
3E8 - 3EF
Internal modem
3F0 - 3F7
"A" diskette controller
3F8 - 3FF
Serial port (COM1/default)
CF8 - CFB
PCI configuration index register
(PCIDIVO-1)
CFC - CFF PCI configuration data register
Summary of Contents for ASPIRE 4253
Page 1: ...Aspire 4253 4253G SERVICEGUIDE ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 56: ...1 46 Hardware Specifications and Configurations ...
Page 57: ...CHAPTER 2 System Utilities ...
Page 84: ...2 28 System Utilities ...
Page 85: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 88: ...3 4 ...
Page 110: ...3 26 Machine Maintenance Procedures ID Size Quantity Screw Type C M2 5 3 0 Ni 1 ...
Page 129: ...CHAPTER 4 Troubleshooting ...
Page 151: ...CHAPTER 5 Jumper and Connector Locations ...
Page 158: ...5 8 Jumper and Connector Locations ...
Page 159: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 160: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 20 ...
Page 179: ...CHAPTER 7 Model Definition and Configuration ...
Page 180: ...1 2 Acer 4255 7 1 Aspire 4253G 7 22 ...
Page 212: ...7 32 Model Definition and Configuration ...
Page 213: ...CHAPTER 8 Test Compatible Components ...
Page 214: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 223: ...CHAPTER 9 Online Support Information ...
Page 224: ...9 2 Introduction 9 3 ...
Page 226: ...9 4 Online Support Information ...