Hardware IRQ
System function
IRQ12
Synaptics PS/2 TouchPad
IRQ13
Numeric data processor
IRQ14
Primary IDE channel
IRQ15
Secondary IDE channel
*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none.
NOTE:
PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port
may assert IRQ3 or IRQ4.
System I/O address specifications
I/O address (hex)
System function (shipping configuration)
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
92 Chapter
6
Specifications
ENWW
Summary of Contents for V3000
Page 1: ...Compaq Presario V3000 Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ENWW ...
Page 8: ...viii ENWW ...
Page 12: ...4 Chapter 1 Product description ENWW ...
Page 144: ...136 Index ENWW ...
Page 145: ......
Page 146: ......