HP AM872A#ABA Presario Select 1200 Series Maintenance and Service Guide - Page 83

System I/O Address, Hardware DMA, System Function, I/O Address Hex, System Function Shipping

Page 83 highlights

Hardware DMA 0 1 2 3 4 5 6 7 System DMA System Function ES1869 Plug and Play AudioDrive ES1869 Plug and Play AudioDrive Standard Floppy Disk Controller (free) Direct memory access controller (free) (free) (free) System I/O Address 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 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)

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System DMA
Hardware DMA
System Function
0
ES1869 Plug and Play AudioDrive
1
ES1869 Plug and Play AudioDrive
2
Standard Floppy Disk Controller
3
(free)
4
Direct memory access controller
5
(free)
6
(free)
7
(free)
System I/O Address
System I/O Address
I/O Address (Hex)
System Function (Shipping
Configuration)
x0000 - x000F
Direct Memory Access Controller
x0020 - x0021
Programmable interrupt controller
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
x01F0 - x01F7
Primary IDE controller (dual fifo)