Bios – Tyan Computer S1854 User Manual
Page 53
S1854 Trinity 400
53
system by sending an interrupt request. When the system is in Suspend mode,
IRQ activity can cause a Primary or Secondary wake-up. When Primary INTR is
On, the IRQs in the above fields can be configured as Primary, Secondary, or
Disabled.
IRQn
The following is a list of IRQs (Interrupt Request Lines) assigned to common
system peripherals.
IRQ0 (System Timer)
IRQ7 (LPT1)
IRQ1 (Keyboard)
IRQ8 (RTC Alarm)
IRQ2 (Cascade- Reserved)
IRQ9 (FREE)
IRQ3 (COM2)
IRQ10 (FREE)
IRQ4 (COM1)
IRQ11 (FREE)
IRQ5 (FREE)
IRQ12 (PS/2 Mouse)
IRQ6 (Floppy Disk)
IRQ13 (Coprocessor)
IRQ14 (Primary IDE)
IRQ15 (Seconday IDE)
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