IBM CORPORATION
TOKEN-RING PC ADAPTER
NIC Type | Token-Ring |
Transfer Rate | 4Mbps |
Data Bus | 8-bit ISA |
Topology | Ring |
Wiring Type | Shielded twisted pair |
Boot ROM | Available |

BOOT ROM ADDRESS SELECTION | |||||||
Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | |
» | CC00h | Off | On | On | Off | Off | On |
| A000h | On | Off | On | On | On | On |
| A400h | On | Off | On | On | Off | On |
| A800h | On | Off | On | Off | On | On |
| AC00h | On | Off | On | Off | Off | On |
| B000h | On | Off | Off | On | On | On |
| B400h | On | Off | Off | On | Off | On |
| B800h | On | Off | Off | Off | On | On |
| BC00h | On | Off | Off | Off | Off | On |
| C000h | Off | On | On | On | On | On |
| C400h | Off | On | On | On | Off | On |
| C800h | Off | On | On | Off | On | On |
| CE00h | Off | On | On | Off | Off | Off |
| D000h | Off | On | Off | On | On | On |
| D200h | Off | On | Off | On | On | Off |
| D400h | Off | On | Off | On | Off | On |
| D800h | Off | On | Off | Off | On | On |
| DC00h | Off | On | Off | Off | Off | On |
| E000h | Off | Off | On | On | On | On |
| E400h | Off | Off | On | On | Off | On |
| E800h | Off | Off | On | Off | On | On |
| EC00h | Off | Off | On | Off | Off | On |
| F000h | Off | Off | Off | On | On | On |
INTERRUPT REQUEST SELECTION | ||
IRQ | SW1/7 | SW1/8 |
2 | On | On |
3 | On | Off |
7 | Off | Off |
I/O BASE ADDRESS SELECTION | ||
I/O Address | SW2/1 - 8 | |
» | A20h | Off |
| A24H | On |
MISCELLANEOUS TECHNICAL NOTES |
The boot ROM can only be used if the workstation operates at 6MHz or less, uses 1 wait state on the bus, and does not contain a hard disk. |