1-44
Hardware Specifications and Configurations
System IO Address Map (Continued)
202 - 21F
Unused
000 - 00F
DMA controller no. 1
010 - 01F
Unused
020 - 021
Interrupt controller no. 1
022 - 024
Opti chipset configuration registers
025 - 03F
Unused
02E - 02F
87334 "Super I/O" configuration for CPU
040 - 05F
Counter/timer registers
044 - 05F
Unused
060
Keyboard controller
061
Port B
062 - 063
Unused
064
Keyboard controller
065 - 06F
Unused
070 - 071
NMI enable/RTC
072 - 07F
Unused
080 - 08F
DMA page registers
090 - 091
Unused
092
Port A
093 - 09F
Unused
0A0 - 0A1
Interrupt controller no. 2
I/O Address (hex)
System function (shipping configuration)
0A2 - 0BF
Unused
0C0 - 0DF
DMA controller no. 2
0E0 - 0EF
Unused
0F0 - 0F1
Coprocessor busy clear/reset
0F2 - 0FF
Unused
100 - 16F
Unused
170 - 177
Secondary fixed disk controller
178 - 1EF
Unused
1F0 - 1F7
Primary fixed disk controller
1F8 - 200
Unused
I/O address (hex)
System Function (shipping configuration)
Summary of Contents for Aspire 7750
Page 1: ...Aspire 7750 7750G SERVICEGUIDE ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specification ...
Page 14: ...1 4 ...
Page 56: ...1 46 Hardware Specifications and Configurations ...
Page 57: ...CHAPTER 2 System Utilities ...
Page 79: ...CHAPTER 3 Machine Maintenance ...
Page 82: ...3 4 ...
Page 122: ...3 44 Machine Maintenance Procedures ...
Page 123: ...CHAPTER 4 Troubleshooting ...
Page 149: ...CHAPTER 5 Jumper and Connector Locations ...
Page 156: ...5 8 Jumper and Connector Locations ...
Page 157: ...CHAPTER 6 FRU List ...
Page 158: ...6 2 Exploded Diagrams 6 4 FRU List 6 6 Screw List 6 23 ...
Page 180: ...6 24 FRU Field Replaceable Unit List ...
Page 181: ...CHAPTER 7 Model Definition and Configuration ...
Page 182: ...7 2 Aspire 7750 7750G 7 3 ...
Page 253: ...CHAPTER 8 Test Compatible Components ...
Page 254: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 270: ...8 18 Test Compatible Components ...
Page 271: ...CHAPTER 9 Online Support Information ...
Page 272: ...9 2 Introduction 9 3 ...
Page 274: ...9 4 Online Support Information ...