COMe-mTT10 / System Resources
5 System Resources
5.1 Interrupt Request (IRQ) Lines
5.1.1 In 8259 PIC mode
IRQ # Used For Available Comment
0 Timer0 No -
1 Keyboard No -
2 Cascade No -
3 External SIO - COM2 Yes (No) Note (1)
4 External SIO - COM1 Yes (No) Note (1)
5 PCI for PCI Dynamic (BIOS default)
6 PCI Yes (No) Note (1)
7 External SIO - LPT1 for PCI Dynamic (BIOS default)
8 RTC No -
9 ACPI No Note (2)
10 PCI for PCI Dynamic (BIOS default)
11 PCI for PCI Dynamic (BIOS default)
12 PS/2 Mouse Yes (No) Note (1)
13 FPU No -
14 PCI for PCI Dynamic (BIOS default)
15 PCI for PCI Dynamic (BIOS default)
1 If the “Used For” device is disabled in setup, the corresponding interrupt is available for
other devices.
2 Not available if ACPI is used
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