System i/o address map – Sony PCV-RX270DS User Manual
Page 105
Miscellaneous Technical Information
91
System I/O Address Map
Address Range
(hex)
Description
0000h - 000Fh
Direct memory access controller.
0010h - 001Fh
Motherboard resources.
0020h - 0021h
Programmable interrupt controller.
0022h - 002Dh
Motherboard resources.
002Eh - 002Fh
Motherboard resources.
0030h - 003Fh
Motherboard resources.
0040h - 0043h
System timer.
0044h - 005Fh
Motherboard resources.
0060h - 0060h
Standard 101/102-Key or Microsoft Natural Keyboard.
0061h - 0061h
System speaker.
0062h - 0063h
Motherboard resources.
0064h - 0064h
Standard 101/102-Key or Microsoft Natural Keyboard.
0065h - 006Fh
Motherboard resources.
0070h - 0073h
System CMOS/real time clock.
0074h - 007Fh
Motherboard resources.
0080h - 0090h
Direct memory access controller.
0091h - 0093h
Motherboard resources.
0094h - 009Fh
Direct memory access controller.
00A0h - 00A1h
Programmable interrupt controller.
00A2h - 00BFh
Motherboard resources.
00C0h - 00DFh
Direct memory access controller.
00E0h - 00EFh
Motherboard resources.
00F0h - 00FFh
Numeric data processor.
0170h - 0177h
Secondary IDE controller (dual FIFO).
0170h - 0177h
Intel 82801AA bus master IDE controller.
01F0h - 01F7h
Intel 82801AA bus master IDE controller.
01F0h - 01F7h
Primary IDE controller (dual FIFO).
0200h - 0207h
Gameport joystick.
0290h - 0297h
Motherboard resources.
0330h - 0331h
MPU-401-compatible MIDI device.
0376h - 0376h
Secondary IDE controller (dual FIFO).
0376h - 0376h
Intel 82801AA bus master IDE controller.