IBM Token-Ring 16/4 ISA Adapter
IBM Token-Ring 16/4 ISA Adapter FRU Parts
FRU P/N 93F0334 IBM Token-Ring 16/4 ISA Adapter
I/O Address = A20h (220h)
Switch Function
1 2 3 4 5 6 7 8 9 10 11 12
--------------------+ ----+ | -----+ |
| | | | |
| | | | +-- Data Rate
| | | | Off = 16Mbps
| | | | On = 4Mbps
| | | |
| | | +-- Shared RAM Size
| | | Off On = 16KB (recommended)
| | | On On = 8KB
| | | On Off = 32KB
| | | Off Off = 32KB
| | |
| | +-- Off = Primary Adapter
| | On = Alternate Adapter
| |
| +-- On On = IRQ 2
| On Off = IRQ 3
| Off On = IRQ 6
| Off Off = IRQ 7
|
+-- ROM Address
Off On On On On On = C0000
Off On On On On Off = C2000
Off On On On Off On = C4000
Off On On On Off Off = C6000
Off On On Off On On = C8000
Off On On Off On Off = CA000
Off On On Off Off On = CC000
Off On On Off Off Off = CE000
Off On Off On On On = D0000
Off On Off On On Off = D2000
Off On Off On Off On = D4000
Off On Off On Off Off = D6000
Off On Off Off On On = D8000
Off On Off Off On Off = DA000
Off On Off Off Off On = DC000
Off On Off Off Off Off = DE000
Please see the LEGAL - Trademark notice.
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