CNET TECHNOLOGY, INC.
CN160A
NIC Type | ARCnet |
Transfer Rate | 2.5Mbps |
Data Bus | 16-bit ISA |
Topology | Star |
Wiring Type | RG-62/U 93ohm coaxial |
Boot ROM | Available |

NODE ADDRESS | ||||||||
Node | SW2/1 | SW2/2 | SW2/3 | SW2/4 | SW2/5 | SW2/6 | SW2/7 | SW2/8 |
0 | - | - | - | - | - | - | - | - |
1 | Off | On | On | On | On | On | On | On |
2 | On | Off | On | On | On | On | On | On |
3 | Off | Off | On | On | On | On | On | On |
4 | On | On | Off | On | On | On | On | On |
251 | Off | Off | On | Off | Off | Off | Off | Off |
252 | On | On | Off | Off | Off | Off | Off | Off |
253 | Off | On | Off | Off | Off | Off | Off | Off |
254 | On | Off | Off | Off | Off | Off | Off | Off |
255 | Off | Off | Off | Off | Off | Off | Off | Off |
Note:Node address 0 is used for messaging between nodes and must not be used. A total of 255 node address settings are available. The switches are a binary representation of the decimal node addresses. Switch 1 is the Least Significant Bit and switch 8 is the Most Significant Bit. The switches have the following decimal values: switch 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn off the switches and add the values of the off switches to obtain the correct node address. (On=0, off=1) | ||||||||
RESPONSE/RECONFIGURATION TIMEOUTS | |||
Response Time | Reconfiguration Time | JP1 | JP2 |
74.7µs | 840ms | Open | Open |
283.4µs | 1680ms | Closed | Open |
561.8µs | 1680ms | Open | Closed |
1118.6µs | 1680ms | Closed | Closed |
Note: All NICs on the network must have this option set the same. | |||
INTERRUPT REQUEST | ||||||||||||
IRQ | JP3 | JP4 | JP5 | JP6 | JP7 | JP8 | JP9 | JP10 | JP11 | JP12 | JP13 | |
» | 2 | Open | Open | Open | Open | Open | Open | Open | Open | Open | Open | Closed |
| 3 | Open | Open | Open | Open | Open | Closed | Open | Open | Open | Open | Open |
| 4 | Open | Open | Open | Open | Open | Open | Closed | Open | Open | Open | Open |
| 5 | Open | Open | Open | Open | Open | Open | Open | Closed | Open | Open | Open |
| 7 | Open | Open | Open | Open | Open | Open | Open | Open | Open | Closed | Open |
| 10 | Open | Open | Open | Open | Closed | Open | Open | Open | Open | Open | Open |
| 11 | Open | Open | Open | Closed | Open | Open | Open | Open | Open | Open | Open |
| 12 | Open | Open | Closed | Open | Open | Open | Open | Open | Open | Open | Open |
| 15 | Open | Closed | Open | Open | Open | Open | Open | Open | Open | Open | Open |
I/O BASE ADDRESS | |||||||
Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | |
| 260h | Off | On | On | Off | Off | On |
| 290h | Off | On | Off | On | On | Off |
» | 2E0h | Off | On | Off | Off | Off | On |
| 2F0h | Off | On | Off | Off | Off | Off |
| 300h | Off | Off | On | On | On | On |
| 350h | Off | Off | On | Off | On | Off |
| 380h | Off | Off | Off | On | On | On |
| 3E0h | Off | Off | Off | Off | Off | On |
BASE MEMORY ADDRESS & BOOT ROM ADDRESS (REV.D, VER: A 05-01-0005-03) | ||||||
Base Address | Boot ROM Address | SW1/7 | SW1/7 | SW1/9 | SW1/10 | |
| C0000h | C8000h | Off | Off | On | On |
» | D0000h | D8000h | Off | Off | On | Off |
| E0000h | E8000h | Off | Off | Off | On |
BASE MEMORY ADDRESS & BOOT ROM ADDRESSS (VER: A 05-01-0005-04 OR ABOVE) | ||||||
Base Address | Boot ROM Address | SW1/7 | SW1/8 | SW1/9 | SW1/10 | |
| C0000h | C2000h | On | On | On | On |
| C4000h | C6000h | On | On | On | Off |
| CC000h | CE000h | On | On | Off | Off |
» | D0000h | D2000h | On | Off | On | On |
| D4000h | D6000h | On | Off | On | Off |
| D8000h | DA000h | On | Off | Off | On |
| DC000h | DE000h | On | Off | Off | Off |
| E0000h | E2000h | Off | On | On | On |
DIAGNOSTIC LED(S) | ||
LED | Status | Condition |
LED1 | On | Link integrity is good |
LED1 | Off | Link integrity is broken |
LED2 | On | Data is being transmitted or recieved |
LED2 | Off | Data is not being transmitted or recieved |