Hardware Interrupts | Maps and Registers |
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Hardware Interrupts
The following table lists the blade′s hardware interrupts and the corresponding interrupt sources.a
Note:aAll interrupts marked with an asterisk (*) must not be used for PCI interrupt routing.
Table 16: Hardware Interrupts
Interrupt | Interrupt Source |
IRQ0* | Timer |
IRQ1* | Keyboard |
IRQ2* | Input of interrupt controller #2 |
IRQ3 | COM 2 or COM 4 |
IRQ4 | COM 1 |
IRQ5 | COM 3 |
IRQ6 | IPMI Block Transfer interface |
IRQ7 | PCI |
IRQ8* | Real time clock |
IRQ9 | PCI |
IRQ10 | PCI |
IRQ11 | PCI |
IRQ12 | Reserved or Mouse (PS/2) |
IRQ13* | Coprocessor |
IRQ14 | Reserved or primary parallel ATA |
IRQ15 | Reserved or secondary parallel ATA |
PENT/ATCA−717 | 135 |
