Interrupt Levels
| SPARC |
Sun-4 |
Sun-4c |
Sun-4m |
| Level 1 |
SW1 |
SW1 |
SW1 |
| Level 2 |
VME1 |
SBus2 |
SW2, VME1, SBus1 |
| Level 3 |
VME2 |
SBus3, SCSI |
SW3, VME2, SBus2 |
| Level 4 |
SW4, SCSI |
SW4 |
SW4, On-board SCSI |
| Level 5 |
VME3 |
SBus4, Ethernet |
SW5, VME3, SBus3 |
| Level 6 |
SW6, Ethernet |
SW6 |
SW6, On-board Ethernet |
| Level 7 |
VME4 |
SBus5, Video |
SW7, VME4, SBus4 |
| Level 8 |
Video |
SBus6 |
SW8, On-board Video |
| Level 9 |
VME5 |
SBus7 |
SW9, VME5, SBus5 |
| Level 10 |
System C/T |
System C/T |
SW10, System C/T |
| Level 11 |
VME6 |
Floppy |
SW11, VME6, SBus6, Floppy |
| Level 12 |
KBD/MS/SCC |
KBD/MS/SCC |
SW12, KBD/MS/SCC |
| Level 13 |
VME7 |
Audio |
SW13, VME7, SBus7, Audio |
| Level 14 |
Kernet C/T |
Kernel C/T |
SW14, Kernel C/T |
| Level 15 |
Memory Error |
Async Mem Error |
SW15, Async Errors |
Last updated: December 2, 1996
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