DIGITAL COMMUNICATIONS ASSOCIATES, INC.
IRMATRAC ISA 4/16 TOKEN-RING ADAPTER
NIC Type | Token Ring |
Transfer Rate | 4/16Mbps |
Data Bus | 16-bit ISA |
Topology | Ring |
Wiring Type | Shielded twisted pair Unshielded twisted pair |
Boot ROM | Available |

ADAPTER I/O ADDRESS SELECTION | ||||
Select | SW1/A | SW1/B | SW1/C | |
» | X'0A00' | On | On | On |
X'0A20' | Off | On | On | |
X'0A40' | On | Off | On | |
X'0A60' | Off | Off | On | |
X'1A00' | On | On | Off | |
X'1A20' | Off | On | Off | |
X'1A40' | On | Off | Off | |
X'1A60' | Off | Off | Off | |
ADAPTER I/O ADDRESS SELECTION | |
Address | SW1/A |
X'0A20' | On |
X'1A20' | Off |
Note: This setting applies only when using Ver.1 (SW1/H on) | |
BOOT ROM CONFIGURATION | ||||
Address | SW1/D | SW1/E | SW1/F | |
X'C4000' | Off | On | On | |
X'C8000' | On | Off | On | |
X'CC000' | Off | Off | On | |
X'D4000' | Off | On | Off | |
» | X'D8000' | On | Off | Off |
X'DC000' | Off | Off | Off | |
BOOT RAM CONFIGURATION | |
Select | SW1/G |
Enabled | Off |
Disabled | On |
IRMATRAC VERSION CONFIGURATION | |
Version | SW1/H |
1.x | On |
2.0 or newer | Off |