Adapter Size Interrupt
Priority Address
Priority
8-Port Async
(First) long None If no other 8-Port Async
adapters:
I/O Addr = 0324
– SW1 = 1
– SW2 = 1
– SW3 = 1
– SW4 = 1
8-Port Async
(Second) long None I/O Addr = 0104
SW1 = 0
SW2 = 0
SW3 = 1
SW4 = 1
4-Port SDLC
(First) long Interrupt 11
SW1 = 0
SW2 = 1
SW3 = 0
Interrupt 10
SW1 = 1
SW2 = 1
SW3 = 0
Interrupt 9
SW1 = 0
SW2 = 0
SW3 = 1
Interrupt 3
SW1 = 1
SW2 = 1
SW3 = 1
Interrupt 7
SW1 = 1
SW2 = 0
SW3 = 1
Mem size = 512KB
SW4 = 0
Edge = 2
SW9 = 1
Width = 16
SW10 = 0
Mem Location
0xE2000
If no X.25 adapters:
I/O Base Addr = 06A0
– SW5 = 1
– SW6 = 1
– SW7 = 1
– SW8 = 1
If 1 X.25 adapter:
I/O Base Addr = 0AA0
– SW5 = 0
– SW6 = 1
– SW7 = 1
– SW8 = 1
Appendix C. IRQ and DMA-Channel Assignments C-5