"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1246, 1277, 1278, and 1279
System I/O Address
System I/O Address
I/O Address (Hex) System Function (Shipping Configuration)
0000 - 000Fh Direct memory access controller
0020h - 0021h Programmable interrupt controller
0040h - 0043h System timer
0060h - x0060h Standard 101/102-Key or Microsoft Natural Keyboard
0061h - x0061h System speaker
0064h - x0064h Standard 101/102-Key or Microsoft Natural Keyboard
0070h - 0071h System CMOS/real time clock
0080h - 0080h Motherboard resources
0081h - 008Fh Direct memory access controller
0092h - 0092h Motherboard resources
00A0h - 00A1h Programmable interrupt controller
00B1h - 00B3h Motherboard Resources
00C0h - 00DFh Direct memory access controller
00EAh - 00EBh Motherboard resources
00F0h - 00FFh Numeric data processor
0100h - 010Fh Motherboard resources
0170h - 0177h
ALi M5229 PCI Bus Master IDE Controller
0170h - 0177h Secondary IDE controller (dual fifo)
01F0h - 01F7h ALi M5229 PCI Bus Master IDE Controller
0200h - 0203h Gameport Joystick
0220h - 022Fh ESS SOLO-1 DOS Emulation
0330h - 0331h ESS SOLO-1 DOS Emulation
0376h - 0376h
Secondary IDE controller (dual fifo)
0376h - 0376h ALi M5229 PCI Bus Master IDE Controller
0378h - 037Fh Printer Port (Ltp1)
0388h - 038Bh ESS SOLO-1 DOS Emulation
03B0h - 03BBh
RAGE LT PRO AGP 2X (English)
03C0h - 03DFh
RAGE LT PRO AGP 2X (English)
03F0h - 03F5h Standard Floppy Disk Controller
03F6h - 03F6h
Primary IDE controller (dual fifo)
03F6h - 03F6h ALi M5229 PCI Bus Master IDE Controller
03F7h - 03Fh7 Standard Floppy Disk Controller
03F8h - 03FFh Communication Port (COM1)
040Bh - 040Bh Motherboard Resources
040D0h - 04D1h Motherboard Resources
04D6h - 04D6h Motherboard Resources
0CF8h - 0CFFh PCI Bus
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...20SERIES%201246%201277%201278%201279/spec.html (4 of 9)6/27/2004 2:33:35 AM
To Next Page
Loading...
