
ISA Interrupt | Description |
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IRQ6 | Diskette controller |
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IRQ8 | |
| replacement mode |
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IRQ9 | Generic, Option for SCI |
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IRQ10 | Generic, Option for SCI |
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IRQ11 | HPET #2, option for SCSI, TCO |
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IRQ12 | Mouse controller |
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IRQ13 | System interrupt/FERR |
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IRQ14 | Primary ATA, legacy mode |
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IRQ15 | Secondary ATA, legacy mode |
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PIRQA | USB 2.0 controller 1 and 4 |
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PIRQB | Video |
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PIRQC | USB 2.0 controller 3, Native IDE, SATA |
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PIRQD | USB 2.0 controller 2 |
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PIRQE | Option for SCI, TCO, HPET #0,1,2 |
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PIRQF | Option for SCI, TCO, HPET #0,1,2 |
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PIRQG | Option for SCI, TCO, HPET #0,1,2 |
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PIRQH | USB 2.0 EHCI controller 1, Option for |
| SCI, TCO, HPET #0,1,2 |
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Ser IRQ | SIO3 |
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PCI interrupt routing in PIC mode
Device | Interrupt A | Interrupt B | Interrupt C | Interrupt D |
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Video | ICH5R_PIRQB |
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IDE RAID | ICH5R_PIRQC |
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SIO | ICH5R_SIRIRQ |
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Legacy IDE | ICH5R_IRQ14 |
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146 | www.gateway.com |