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"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 Catalog
System Memory Catalog
Memory Address System Function
x00000000 - x0009FFFF System board extension for PnP BIOS
x000A0000 - x000AFFFF NeoMagic MagicGraph 128XD
x000B0000 - x000BFFFF NeoMagic MagicGraph 128XD
x000C0000 - x000CBFFF NeoMagic MagicGraph 128XD
x000E0000 - x000FFFFF System board extension for PnP BIOS
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20che...ESARIO%201270,%201670,%20and%201675/spec.html (4 of 10)6/27/2004 2:46:03 AM