Acer Aspire 4250 Service Manual page 54

System IO Address Map
I/O address (hex)
000 - CF7
000 - 00F
000 - 01F
020 - 021
02E - 02F
040 - 043
060
061
062
064
066
070 - 071
072 - 073
080
081 - 08F
092
0A0 - 0A1
0B0 - 0B1
0C0 - 0DF
0F0 - 0FE
3B0 - 3BB
3C0 - 3DF
400 - 4CF
4D0 - 4D1
4D6
680 - 6FF
77A
C00 - C01
C14
C50 - C52
C6C
C6F
CD0 - CDB
1-44
System Function (shipping configuration)
PCI bus
Direct memory access controller
Motherboard resources
Programmable interrupt controller
Motherboard resources
System timer
Standard PS/2 Keyboard
System speaker
Microsoft ACPI-Compliant Embedded Controller
Standard PS/2 Keyboard
Microsoft ACPI-Compliant Embedded Controller
System CMOS/real time clock
Motherboard resources
Motherboard resources
Direct memory access controller
Motherboard resources
Programmable interrupt controller
Motherboard resources
Direct memory access controller
Numeric data processor
AMD Radeon HD 6250 Graphics
AMD Radeon HD 6250 Graphics
Motherboard resources
Motherboard resources
Motherboard resources
Motherboard resources
Motherboard resources
Motherboard resources
Motherboard resources
Motherboard resources
Motherboard resources
Motherboard resources
Motherboard resources
Hardware Specifications and Configurations