System Memory Catalog - Compaq 1234 Maintenance & Service Manual

"Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1234, 1235, 1236, 1237, 1238, 1240, 1242, 1250, and 1252
I/O Address (Hex)
x0000 - x000F
x0020 - x0021
x0022 - x0024
x0040 - x0043
x0060 - x0060
x0061 - x0061
x0064 - x0064
x0070 - x0071
x0080 - x0080
x0081 - x008F
x0092 - x0092
x00A0 - x00A1
x00C0 - x00DF
x00EC - x00EF
x00F0 - x00FF
x0170 - x0177
x0170 - x0177
x01F0 - x01F7
x01F0 - x01F7
x0220 - x022F
x02F8 - x02FF
x0330 - x0331
x0370 - x0371
x0376 - x0376
x0376 - x0376
x0378 - x037F
x0388 - x038B
x03B0 - x03BB
x03C0 - x03DF
x03F0 - x03F5
x03F6 - x03F6
x03F6 - x03F6
x03F7 - x03F7
x03F8 - x03FF
x040B - x040B
x0480 - x048F
x04D6 - x04D6

System Memory Catalog

file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20chec...7%201238%201240%201242%201250%201252/spec.html (4 of 8)6/27/2004 2:22:45 AM
System I/O Address
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