STANDARD MICROSYSTEMS CORPORATION
ARCNET T100
NIC Type | ARCnet |
Transfer Rate | 2.5Mbps |
Data Bus | Toshiba laptop internal expansion slot (T5100, T3100, T3100e, T1600, T1200, and T1100Plus) |
Topology | Star Linear Bus |
Wiring Type | RG-62A/U 93ohm coaxial |
Boot ROM | Not 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) |
BASE MEMORY ADDRESS | |||||
Base Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 |
C0000h | On | On | On | On | On |
C0800h | On | On | On | On | Off |
C1000h | On | On | On | Off | On |
C1800h | On | On | On | Off | Off |
C4000h | On | On | Off | On | On |
C4800h | On | On | Off | On | Off |
C5000h | On | On | Off | Off | On |
C5800h | On | On | Off | Off | Off |
CC000h | On | Off | On | On | On |
CC800h | On | Off | On | On | Off |
CD000h | On | Off | On | Off | On |
CD800h | On | Off | On | Off | Off |
D0000h | On | Off | Off | On | On |
D0800h | On | Off | Off | On | Off |
D1000h | On | Off | Off | Off | On |
D1800h | On | Off | Off | Off | Off |
D4000h | Off | On | On | On | On |
D4800h | Off | On | On | On | Off |
D5000h | Off | On | On | Off | On |
D5800h | Off | On | On | Off | Off |
D8000h | Off | On | Off | On | On |
D8800h | Off | On | Off | On | Off |
D9000h | Off | On | Off | Off | On |
D9800h | Off | On | Off | Off | Off |
DC000h | Off | Off | On | On | On |
DC800h | Off | Off | On | On | Off |
DD000h | Off | Off | On | Off | On |
DD800h | Off | Off | On | Off | Off |
E0000h | Off | Off | Off | On | On |
E0800h | Off | Off | Off | On | Off |
E1000h | Off | Off | Off | Off | On |
E1800h | Off | Off | Off | Off | Off |
I/O BASE ADDRESS | ||||
Address | SW1/6 | SW1/7 | SW1/8 | |
» | 300h | On | On | Off |
| 260h | On | On | On |
| 290h | Off | On | On |
| 2E0h | On | Off | On |
| 2F0h | Off | Off | On |
| 350h | Off | On | Off |
| 380h | On | Off | Off |
| 3E0h | Off | Off | Off |
STANDBY MODE | |
Mode | SW3 |
Power is supplied to the card | On (position 1) |
Power is not supplied to the card | Off (position 0) |
INTERRUPT REQUEST | |||
IRQ | JP1A | JP1B | JP1C |
2 | Closed | Open | Open |
3 | Open | Closed | Open |
5 | Open | Open | Closed |
RESPONSE & RECONFIGURATION TIMEOUTS | ||||||
Response Time | Idle Time | Reconfig. Time | JP2A | JP2B | JP2C | |
» | 78µs | 86µs | 840ms | Closed | Closed | Open |
| 285µs | 316µs | 1680ms | Closed | Open | Open |
| 563µs | 624µs | 1680ms | Open | Closed | Open |
| 1190µs | 1237µs | 1680ms | Open | Open | Open |
TOPOLOGY CONFIGURATION | |
Topology | JP3 |
Star | Closed |
Linear Bus | Open |