IBM Aptiva Hardware Maintenance Guide

General Information 1-11
Table 1- 3 System Input / Output Addresses Table
Address range
(hexadecimal)
Function
0040-0047 System timer
0050-0057 System timer
0060-006F System controller 8742
0070 CMOS RAM address and NMI mask
0078-007B Real-time clock
0080-009F DMA page register
00A0-00BF Interrupt controller 2
00C0-00DF DMA controller 2
00F0 Clear math coprocessor
00F1 Reset math coprocessor
00F8-00FF Math coprocessor
0170-0177, 0376 Secondary IDE controller
01F0-01F7, 03F6 Primary IDE controller
0200-0207 Joystick
0220-022F,
0388-038B,
0534-0537
Audio
0330-0333 MIDI
0278-027F Parallel port 2
02F8-02FF Serial port
0378-037F Parallel port 1
03F0-03F7 Diskette drive controller
03F8-03FF Modem
0CF8 PCI mechanism #1 configuration
address register
0CFC PCI mechanism #2 configuration
data register
7400-740F Bus master IDE

IBM Aptiva Specifications

General

Brand	IBM
Model	Aptiva
Category	Desktop
Language	English