TIARA COMPUTER SYSTEMS, INC.
ARCNET LanCard AT
NIC Type | ARCnet |
Transfer Rate | 2.5Mbps |
Data Bus | 16-bit ISA |
Topology | Star Linear Bus |
Wiring Type | Shielded twisted pair Unshielded twisted pair RG-58A/U 50ohm coaxial |
Boot ROM | Available |
NODE ADDRESS | ||||||||
Node | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
0 | - | - | - | - | - | - | - | - |
1 | Off | Off | Off | Off | Off | Off | Off | On |
2 | Off | Off | Off | Off | Off | Off | On | Off |
3 | Off | Off | Off | Off | Off | Off | On | On |
4 | Off | Off | Off | Off | Off | On | Off | Off |
251 | On | On | On | On | On | Off | On | On |
252 | On | On | On | On | On | On | Off | Off |
253 | On | On | On | On | On | On | Off | On |
254 | On | On | On | On | On | On | On | Off |
255 | On | On | On | On | On | On | On | On |
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 8 is the Least Significant Bit and switch 1 is the Most Significant Bit. The switches have the following decimal values: switch 8=1, 7=2, 6=4, 5=8, 4=16, 3=32, 2=64, 1=128. Turn on the switches and add the values of the on switches to obtain the correct node address. (On=1, Off=0) |
CABLE TYPE | ||
Type | JP7 & JP8 | |
» | RG-58A/U 50ohm coaxial | Pins 1 & 2 closed |
Shielded/Unshielded twisted pair | Pins 2 & 3 closed |
TOPOLOGY CONFIGURATION | ||
Topology | JP9 | |
» | Linear Bus | Open |
Star | Closed |
RIM BUFFER ADDRESS/BOOT ROM ADDRESS CONFIGURATION | |||||||
Buffer | Boot ROM | JPA | JPB | JPC | JPD | JPE | |
CCOOh | CE00h | Closed | Closed | Closed | Open | Closed | |
» | D000h | D200h | Closed | Closed | Open | Open | Closed |
D400h | D600h | Closed | Closed | Closed | Closed | Open | |
D800h | DA00h | Closed | Closed | Open | Closed | Open | |
DC00h | DE00h | Closed | Closed | Closed | Open | Open | |
E000h | E200h | Closed | Closed | Open | Open | Open |
I/O BASE ADDRESS | ||||
Address | JPF | JPG | JPH | |
» | 2E0h | Closed | Open | Closed |
260h | Closed | Closed | Closed | |
290h | Open | Closed | Closed | |
2F0h | Open | Open | Closed | |
300h | Closed | Closed | Open | |
350h | Open | Closed | Open | |
380h | Closed | Open | Open | |
3E0h | Open | Open | Open |
INTERRUPT REQUEST | ||||||||||
IRQ | JPI | JPJ | JPK | JPL | JPM | JPN | JPO | JPP | JPQ | |
» | 2/9 | Open | Open | Open | Open | Closed | Open | Open | Open | Open |
3 | Open | Open | Open | Open | Open | Closed | Open | Open | Open | |
4 | Open | Open | Open | Open | Open | Open | Closed | Open | Open | |
5 | Open | Open | Open | Open | Open | Open | Open | Closed | Open | |
7 | Open | Open | Open | Open | Open | Open | Open | Open | Closed | |
10 | Open | Open | Open | Closed | Open | Open | Open | Open | Open | |
11 | Open | Open | Closed | Open | Open | Open | Open | Open | Open | |
12 | Open | Closed | Open | Open | Open | Open | Open | Open | Open | |
15 | Closed | Open | Open | Open | Open | Open | Open | Open | Open |
I/O OPTION CONFIGURATION | |||
I/O CHRDY | Zero Wait State | JPR | JPS |
Disabled | Disabled | Open | Open |
Disabled | Enabled | Closed | Open |
Enabled | Disabled | Open | Closed |
Note:Zero wait state operation and I/O CHRDY signal cannot be enabled at the same time. |
DIAGNOSTIC LED(S) | |||
LED | Color | Status | Condition |
L1 | Red | On | Data is being received |
L1 | Red | Off | Data is not being received |
L1 | Red | Blinking | Card is reconfiguring |
L2 | Green | On | Data is being transmitted |
L2 | Green | Off | Data is not being transmitted |
L2 | Green | Blinking | Card is reconfiguring |