Specifications
Maintenance and Service Guide 7–15
IRQ11* Intel 82801FB/FBM USB Universal Host Controller - 2659
Intel 82801FB/FBM USB Universal Host Controller - 265A
Broadcom NetXtreme Gigabit Ethernet #2
SoundMAX Integrated Digital Audio
IRQ12 Synaptics PS/2 TouchPad
IRQ13 Numeric data processor
IRQ14 Primary IDE channel
IRQ15* Not assigned
*Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9,
IRQ10, or none.
✎
PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or
IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4.
Table 7-11
System Interrupts
(Continued)
Table 7-12
System I/O Addresses
I/O Address (hex) System Function (shipping configuration)
000 - 00F DMA controller no.1
010 - 01F System board resources
020 - 021 Interrupt controller no.1
022 - 023 Unused
024 - 03F System board resources
040 - 043 System timer
044 - 04D Unused
04E - 04F System board resources
050 - 053 System board resources
