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31 TravelMate 230/ 280
NOTE: IRQ settings may be changed by OS
IRQ Assignment Map
Interrupt Channel Function
NMI System errors
IRQ0 System timer
IRQ1 Keyboard
IRQ6 Floppy
IRQ8 Real time clock
IRQ9 Microsoft ACPI-Compliant System
IRQ11 Intel (R) 82801DB/DBM SMBus Controller-24C2
IRQ12 Synaptics PS2 pointing device
IRQ13 Numeric data processor
IRQ14 1st IDE device
IRQ15 2nd IDE device
IRQ16 Intel (R) 82801DB/DBM USB Universal Host Controller-24C2
IRQ16 Intel (R) 845G Graphics Controller
IRQ17 Agere Systems AC’97 Modem
IRQ17 Crystal WDM AC’97 Driver for ICH4
IRQ17 O2Micro OZ6912 CardBus Controller
IRQ18 Intel (R) 82801DB/DBM USB Universal Host Controller-24C7
IRQ19 Intel (R) 82801DB/DBM USB Universal Host Controller-24C4
IRQ19 Realtek RTL8139/810x Family Fast Ethernet NIC
IRQ21 OHCI Compliant IEEE 1394 Host Controller
IRQ23 Intel (R) 82801DB/DBM USB 2.0 Enhanced Host Controller-24CD
DMA Channel Assignment
DMA Channel Function
DRQ0 Not used
DRQ1 Not used
DRQ2 Floppy
DRQ3 Not used
DRQ4 DMA controller
DRQ5 Not used
DRQ6 Not used
DRQ7 Not used