HP Nc4000 HP Compaq nc4010 Notebook PC - Maintenance and Service Guide - Page 149
Table 6-9, System I/O Addresses, I/O Address, System Function
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Specifications I/O Address (hex) 000 - 00F 010 - 01F 020 - 021 022 - 024 025 - 03F 02E - 02F 040 - 05F 044 - 05F 060 061 062 - 063 064 065 - 06F 070 - 071 072 - 07F 080 - 08F 090 - 091 092 093 - 09F 0A0 - 0A1 Table 6-9 System I/O Addresses System Function (shipping configuration) DMA controller no. 1 Unused Interrupt controller no. 1 Opti chipset configuration registers Unused 87334 "Super I/O" configuration for CPU Counter/timer registers Unused Keyboard controller Port B Unused Keyboard controller Unused NMI enable/RTC Unused DMA page registers Unused Port A Unused Interrupt controller no. 2 Maintenance and Service Guide 6-9
Specifications
Maintenance and Service Guide
6–9
Table 6-9
System I/O Addresses
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