Server Interrupt Levels; Pci Configuration Space Address Map - Digital Equipment 3100R Series Service Maintenance Manual

Device Mapping

Server Interrupt Levels

Interrupt Number
IRQ1
IRQ3
IRQ4
IRQ6
IRQ7
IRQ10
IRQ11
IRQ12
IRQ13

PCI Configuration Space Address Map

PCI Bus No.
0
0
0
0
0
0
0
0
7-4
Interrupt Source
Keyboard controller
COM2, COM4 (if enabled)
COM1, COM3 (if enabled)
Diskette controller (if enabled)
LPT1, LPT2, LPT3 (if enabled)
COM2, COM4 (if enabled)
COM1, COM3 (if enabled)
Mouse interrupt
Math co-processor
Device No.
00h
07h
08h
09h
0Ah
0Ch
0Dh
12h
Device
Host bridge
EISA bridge
PCI slot 1
PCI slot 2
PCI slot 3
AIC7880 Ultra SCSI controller
DC21143 Ethernet controller
S3 Trio64 V+ VGA