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30 Chapter 1
I/O Address Map
I/O Address Function
000-00F DMA controller-1
020-021 Interrupt controller-1
040-043 Timer 1
060, 064 Keyboard controller 38859 chip select
061 System speaker out
040B DMA controller-1
061 System speaker
070-073 Real-time clock and NMI mask
080-08F DMA page register
0A0-0A1 Interrupt controller-2
0C0-0DF DMA controller-2
66, 62 Power management controller
0F0-0FF Numeric data processor
170-177 2nd EIDE device (CD-ROM) select
1F0-1F7 1st EIDE device (hard drive) select
220-22F Audio
240-24F Audio (optional)
278-27F Parallel port 3
378,37A Paraller port 1
3B0-3BB
3C0-3DF
Video Controller
3F0h-3F7 Standard Floppy Disk Controller
3F0-3F7 Floppy disk controller
480-48F, 4D6 DMA controller-1
4D0-4D1
CF8-CFF
PCI configuration register
IRQ Assignment Map
Interrupt Channel Function(Hardware)
IRQ00 System Timer
IRQ01 Keyboard
IRQ03 IrDA Fast Infrared Port
IRQ04 Communications Port (COM1)
IRQ05 LAN, USB
IRQ06 Free
IRQ07 Free
IRQ08 System CMOS / realtime clock
IRQ09 SCI IRQ used by ACPI bus, Wireless LAN
IRQ10 USB, Modem, VGA, MultiMedia Bay, 1394, Audio
IRQ11 O2 Micro Smart CardBus Reader
IRQ12 Synaptics PS/2 port pointing device
IRQ13 Numeric data processor
IRQ14 1st EIDE device (hard disk)
IRQ15 2nd EIDE device (CD-ROM drive)
SG_TM800.book Page 30 Thursday, February 27, 2003 10:21 PM