Acer 420 manual Mobility Radeon

I/O Address Map

I/O Address	Function
004E-004F	Motherboard resources
0050-0053	System timer
0060-0060	Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0061-0061	Motherboard resources
0062-0062	Microsoft ACPI-Compliant Embedded Controller
0063-0063	Motherboard resources
0064-0064	Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0065-0065	Motherboard resources
0066-0066	Microsoft ACPI-Compliant Embedded Controller
0067-0067	Motherboard resources
0070-0077	System CMOS/real time clock
0080-0080	Motherboard resources
0081-008F	Direct memory access controller
0090-0091	Direct memory access controller
0092-0092	Motherboard resources
0093-009F	Direct memory access controller
00A0-00A1	Programmable interrupt controller
00A4-00A5	Programmable interrupt controller
00A8-00A9	Programmable interrupt controller
00AC-00AD	Programmable interrupt controller
00B0-00B1	Programmable interrupt controller
00B4-00B5	Programmable interrupt controller
00B8-00B9	Programmable interrupt controller
00BC-00BD	Programmable interrupt controller
00C0-00DF	Direct memory access controller
00F0-00F0	Numeric data processor
0170-0177	Secondary IDE Channel
01F0-01F7	Primary IDE Channel
0240-0247	Winbond Memory Stick Storage Device Driver(MS)
0248-024F	Winbond Secure Digital Storage (SD/MMC) Device Driver
0274-0277	ISAPNP Read Data Port
0279-0279	ISAPNP Read Data Port
0376-0376	Secondary IDE Channel
0378-037B	ECP Printer Port (LTP1)
03B0-03BB	Intel (R) 82845 Processor to AGP Controller-1A31
03B0-03BB	MOBILITY RADEON 7500
03C0-03DF	Intel (R) 82845 Processor to AGP Controller-1A31
03C0-03DF	MOBILITY RADEON 7500
03F0-03F5	Standard floppy disk controller
03F6-03F6	Primary IDE Channel
03F7-03F7	Standard floppy disk controller
03F8-03FF	Communications Port (COM1)
04D0-04D1	Programmable interrupt controller
0600-060F	Motherboard resources
0700-070F	Motherboard resources

Chapter 1 35