Compaq PRESARIO Presario 1255 Maintenance And Service Manual page 87

Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275
Before You Begin
Removal Sequence
Product Description
Specifications
System I/O Address
I/O Address (Hex)
Presario 1200 Series
Specifications
Troubleshooting
Pin Assignments
System I/O Address
0000H - 000FH
0020H - 0021H
0022H - 0024H
0040H - 0043H
0060H - 0060H
0061H - 0061H
0064H - 0064H
0070H - 0071H
0080H - 0080H
0081H - 008FH
0092H - 0092H
00A0H - 00A1H
00C0H - 00DFH
00ECH - 00EFH
00F0H - 00FFH
0170H - 0177H
0170H - 0177H
01F0H - 01F7H
01F0H - 01F7H
0220H - 022FH
02F8H - 02FFH
0330H - 0331H
0370H - 0371H
0376H - 0376H
0376H - 0376H
0378H - 037FH
0388H - 038BH
03B0H - 03BBH
03C0H - 03DFH
03F0H - 03F5H
03F6H - 03F6H
03F6H - 03F6H
03F7H - 03F7H
03F8H - 03FFH
040BH - 040BH
0480H - 048FH
04D6H - 04D6H
0800H - 0807H
0CF8H - 0CFFH
FCF0H - FCF7H
FCF0H - FCFFH
FCF8H - FCFFH
Return to the index list of Specifications.
System Function
(Shipping Configuration)
Direct memory access
controller
Programmable interrupt
controller
Motherboard resources
System timer
Standard 101/102-Key or
Microsoft Natural Keyboard
System speaker
Standard 101/102-Key or
Microsoft Natural Keyboard
System CMOS/real time
clock
Motherboard resources
Direct memory access
controller
Motherboard resources
Programmable interrupt
controller
Direct memory access
controller
Motherboard resources
Numeric data processor
Opti Viper Max Dual PCI
IDE Controller
Secondary IDE controller
(dual fifo)
Opti Viper Max Dual PCI
IDE Controller
Primary IDE controller (dual
fifo)
ES1869 Plug and Play
AudioDrive
Compaq Presario 56K-DF
ES1869 Plug and Play
AudioDrive
Motherboard resources
Opti Viper Max Dual PCI
IDE Controller
Secondary IDE controller
(dual fifo)
Printer Port (LPT1)
ES1869 Plug and Play
AudioDrive
NeoMagic MagicGraph
128XD
NeoMagic MagicGraph
128XD
Standard Floppy Disk
Controller
Opti Viper Max Dual PCI
IDE Controller
Primary IDE controller (dual
fifo)
Standard Floppy Disk
Controller
Communications Port
(COM1)
Motherboard resources
Motherboard resources
Motherboard resources
ES1869 Control Interface
PCI bus
Primary IDE Controller
(dual fifo)
Opti Viper Max Dual PCI
IDE Controller
Secondary IDE Controller
(dual fifo)
Parts Catalog
Battery Operations
Index