"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675

 

x0022

- x0024

 

Motherboard resources

 

 

 

 

 

 

 

 

x0040

- x0043

 

System timer

 

 

 

 

 

 

 

 

x0060

- x0060

 

Standard 101/102-Key or Microsoft Natural Keyboard

 

 

 

 

 

 

 

 

x0061

- x0061

 

System speaker

 

 

 

 

 

 

 

 

x0064

- x0064

 

Standard 101/102-Key or Microsoft Natural Keyboard

 

 

 

 

 

 

 

 

x0070

- x0071

 

System CMOS/real time clock

 

 

 

 

 

 

 

 

x0080

- x0080

 

Motherboard resources

 

 

 

 

 

 

 

 

x0081

- x008F

 

Direct memory access controller

 

 

 

 

 

 

 

 

x0092

- x0092

 

Motherboard resources

 

 

 

 

 

 

 

 

x00A0- x00A1

 

Programmable interrupt controller

 

 

 

 

 

 

 

 

x00C0- x00DF

 

Direct memory access controller

 

 

 

 

 

 

 

x00EC - x00EF

 

Motherboard resources

 

 

 

 

 

 

 

x00F0 - x00FF

 

Numeric data processor

 

 

 

 

 

 

 

 

x0170

- x0177

 

Opti Viper Max Dual PCI IDE Controller

 

 

 

 

 

 

 

 

x0170

- x0177

 

Secondary IDE controller (dual fifo)

 

 

 

 

 

 

 

 

x01F0- x01F7

 

Opti Viper Max Dual PCI IDE Controller

 

 

 

 

 

 

 

System Memory CatalogSystem Memory Catalog
Memory Address

 

System Function

 

 

 

x00000000 - x0009FFFFx000A0000 - x000AFFFFx000B0000 - x000BFFFFx000C0000 - x000CBFFFx000E0000 - x000FFFFF
System board extension for PnP BIOSNeoMagic MagicGraph 128XD

NeoMagic MagicGraph 128XD

NeoMagic MagicGraph 128XD

System board extension for PnP BIOS

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