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