Compaq 1274 Laptop User Manual


 
United States January 3, 2003
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Presario 1200 Series
Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275
Before You Begin Specifications Parts Catalog
Removal Sequence Troubleshooting Battery Operations
Product Description Pin Assignments
Index
Specifications
System I/O Address
System I/O Address
I/O Address (Hex)
System Function
(Shipping Configuration)
0000H - 000FH
Direct memory access
controller
0020H - 0021H
Programmable interrupt
controller
0022H - 0024H Motherboard resources
0040H - 0043H System timer
0060H - 0060H
Standard 101/102-Key or
Microsoft Natural Keyboard
0061H - 0061H System speaker
0064H - 0064H
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
00C0H - 00DFH
Direct memory access
controller
00ECH - 00EFH Motherboard resources
00F0H - 00FFH Numeric data processor
0170H - 0177H
Opti Viper Max Dual PCI
IDE Controller
0170H - 0177H
Secondary IDE controller
(dual fifo)
01F0H - 01F7H
Opti Viper Max Dual PCI
IDE Controller
01F0H - 01F7H
Primary IDE controller (dual
fifo)
0220H - 022FH
ES1869 Plug and Play
AudioDrive
02F8H - 02FFH Compaq Presario 56K-DF
0330H - 0331H
ES1869 Plug and Play
AudioDrive
0370H - 0371H Motherboard resources
0376H - 0376H
Opti Viper Max Dual PCI
IDE Controller
0376H - 0376H
Secondary IDE controller
(dual fifo)
0378H - 037FH Printer Port (LPT1)
0388H - 038BH
ES1869 Plug and Play
AudioDrive
03B0H - 03BBH
NeoMagic MagicGraph
128XD
03C0H - 03DFH
NeoMagic MagicGraph
128XD
03F0H - 03F5H
Standard Floppy Disk
Controller
03F6H - 03F6H
Opti Viper Max Dual PCI
IDE Controller
03F6H - 03F6H
Primary IDE controller (dual
fifo)
03F7H - 03F7H
Standard Floppy Disk
Controller
03F8H - 03FFH
Communications Port
(COM1)
040BH - 040BH Motherboard resources
0480H - 048FH Motherboard resources
04D6H - 04D6H Motherboard resources
0800H - 0807H ES1869 Control Interface
0CF8H - 0CFFH PCI bus
FCF0H - FCF7H
Primary IDE Controller
(dual fifo)
FCF0H - FCFFH
Opti Viper Max Dual PCI
IDE Controller
FCF8H - FCFFH
Secondary IDE Controller
(dual fifo)
Return to the index list of Specifications.
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