Acer 420 manual IRQ Assignment Map

I/O Address Map

I/O Address	Function
0778-077B	ECP Printer Port (LPT1)
0A79-0A79	ISAPNP Read Data Port
0D00-FFFF	PCI Bus
1000-107F	Motherboard resources
1180-11BF	Motherboard resources
1200-120F	Motherboard resources
1800-181F	Intel (R) 82801 CA/CAM USB Universal Host Controller-2487
1820-182F	Intel (r) 82801 CAM Ultra ATA Storage Controller-248A
1840-185F	Intel (R) 82801 CA/CAM SMBus Controller-2483
1860-187F	Intel (R) 82801 CA/CAM USB Universal Host Controller-2482
1880-18BF	Intel (R) 82801 CA/CAM AC’97 Audio Controller
18C0-18DF	Intel (R) 82801 CA/CAM USB Universal Host Controller-2484
1C00-1CFF	Intel (R) 82801 CA/CAM AC’97 Audio Controller
2000-207F	Conexant SoftK56 Data Fax Modem
2400-24FF	Conexant SoftK56 Data Fax Modem
3000-30FF	MOBILITY RADEON 7500
3000-3FFF	Intel (R) 82845 Processor to AGP Controller -1A31
4000-403F	Intel (R) PRO/100 VE Network Connection #2
FC00-FCFF	O2Micro OZ6912 CardBus Controller
FD00-FDFF	O2Micro OZ6912 CardBus Controller
FE00-FE01	Motherboard resources
IRQ Assignment Map
Interrupt Channel	Function(Hardware)
IRQ00	SystemTimer
IRQ01	Keyboard
IRQ02	Programmable Interrup Controller
IRQ03	Free
IRQ04	Communications Port (COM1)
IRQ05	Winbond Memory Stick Storage (MS) Device Driver
IRQ06	Standard Floppy Disk Controller
IRQ07	ECP Printer Port (LPT1)
IRQ08	System CMOS/real time clock
IRQ09	Conexant SoftK56 Data Fax Modem
	Intel (r) 82801 CA/CAM AC’97 Audio Controller
	Intel (R) 82801 CA/CAM SMBus Controller-2483
	Intel (R) 82801 CA/CAM USB Universal Host Controller-2482
	Intel (R) 82801 CA/CAM USB Universal Host Controller-2484
	Intel (R) 82801 CA/CAM USB Universal Host Controller-2487
	Intel (R) PRO/100 VE Network Connection # 2
	Intersil PRISM Wireless LAN PCI Card
	MOBILITY RADEON 7500
	O2Micro Oz6912 CardBus Controller
	Texas Instruments OHCI Compliant IEEE 1394 Host Controller
IRQ10	Winbond Secure Digital Storage (SD/MMC) Device Driver
IRQ11	Free

36 Chapter 1