TIARA COMPUTER SYSTEMS, INC.
LanCard/A-PC16 FO
NIC Type | ARCnet |
Transfer Rate | 2.5Mbps |
Data Bus | 16-bit ISA |
Topology | Star |
Wiring Type | 200µs |
Boot ROM | Available |
NODE ADDRESS | ||||||||
Node | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
0 | - | - | - | - | - | - | - | - |
1 | On | Off | Off | Off | Off | Off | Off | Off |
2 | Off | On | Off | Off | Off | Off | Off | Off |
3 | On | On | Off | Off | Off | Off | Off | Off |
4 | Off | Off | On | Off | Off | Off | Off | Off |
251 | On | On | Off | On | On | On | On | On |
252 | Off | Off | On | On | On | On | On | On |
253 | On | Off | On | On | On | On | On | On |
254 | Off | On | On | On | On | On | On | On |
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 1=1, 2=2, 3=4, 4=8, 5=16, 6=32, 7=64, 8=128. Turn on the switches and add the values of the on switches to obtain the correct node address. (On=1, off=0) |
EXTENDED TIMEOUT CONFIGURATION | ||||
Maximum Node | Response Time | Reconfiguration | JP2 | JP3 |
4.8 miles | 74.7µs | 840ms | Pins 1 & 2 | Pins 1 & 2 |
21.0 miles | 263.4µs | 1680ms | Pins 1 & 2 | Pins 2 & 3 |
42.5 miles | 561.8µs | 1680ms | Pins 2 & 3 | Pins 1 & 2 |
85.6 miles | 1118.6µs | 1680ms | Pins 2 & 3 | Pins 2 & 3 |
Note: The distance given is the maximum distance between the two furthest nodes on the network. |
RIM BUFFER CONFIGURATION | ||||
Address | JP7 | JP8 | JP9 | |
» | D000-D1FF | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
| COOO-DFFF | N/A | N/A | Pins 1 & 2 closed |
| D400-D5FF | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
| D800-D9FF | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
| DC00-DEFF | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
Note:When JP9 has pins 1 & 2 closed, the buffer size is 128KB, rather than 8KB. Use this setting when experiencing diffifulty with fast AT-class machines. |
I/O BASE ADDRESS | ||||||
Address | JP18 | JP19 | JP20 | JP21 | JP22 | |
» | 0280h | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| 02Aoh | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| 02E0h | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 |
| 0300h | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
| 0330h | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 |
Note: Pins designated should be in the closed position. |
INTERRUPT REQUEST | ||||||||||||
IRQ | JP31 | JP32 | JP33 | JP34 | JP35 | JP36 | JP37 | JP38 | JP39 | JP40 | JP41 | |
» | 2 | Open | Open | Open | Open | Open | Closed | Open | Open | Open | Open | Open |
| 3 | Open | Open | Open | Open | Open | Open | Closed | Open | Open | Open | Open |
| 4 | Open | Open | Open | Open | Open | Open | Open | Closed | Open | Open | Open |
| 5 | Open | Open | Open | Open | Open | Open | Open | Open | Closed | Open | Open |
| 6 | Open | Open | Open | Open | Open | Open | Open | Open | Open | Closed | Open |
| 7 | Open | Open | Open | Open | Open | Open | Open | Open | Open | Open | Closed |
| 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 |
| 14 | Closed | Open | Open | Open | Open | Open | Open | Open | Open | Open | Open |
| 15 | Open | Closed | Open | Open | Open | Open | Open | Open | Open | Open | Open |
BASE MEMORY ADDRESS - LAST THREE DIGITS | |||||||||
Address | ROM | JP11 | JP12 | JP13 | JP26 | JP27 | JP28 | JP29 | JP30 |
x000h-x1FFh | 8K x 8 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 2&3 |
x200h-x3FFh | 8K x 8 | Pins 1&2 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 2&3 |
x400h-x5FFh | 8K x 8 | Pins 2&3 | Pins 1&2 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 2&3 |
x600h-x7FFh | 8K x 8 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 2&3 |
x800h-x9FFh | 8K x 8 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 2&3 |
xA00h-xBFFh | 8K x 8 | Pins 1&2 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 2&3 |
xC00h-xDFFh | 8K x 8 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 2&3 |
xE00h-xFFFh | 8K x 8 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 2&3 |
x000h-x3FFh | 16K x 8 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 1&2 |
x400h-x7FFh | 16K x 8 | Pins 2&3 | Pins 1&2 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 1&2 |
x800h-xBFFh | 16K x 8 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 1&2 |
xC00h-xFFFh | 16K x 8 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 2&3 | Pins 1&2 |
x000h-x7FFh | 32K x 8 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 2&3 |
x800h-xFFFh | 32K x 8 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 1&2 | Pins 2&3 |
x000h-xFFFh | 64K x 8 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 2&3 | Pins 1&2 | Pins 1&2 |
Note: Pins designated should be in the closed position. Place the three-digit address given here behind the single digit given in the following table to get the complete Base Memory Address. |
BASE MEMORY ADDRESS - FIRST DIGIT | ||||
Address Segment | JP14 | JP15 | JP16 | JP17 |
0h | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
1h | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
2h | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
3h | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed |
4h | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
5h | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
6h | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
7h | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
8h | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
9h | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
Ah | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
Bh | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed |
Ch | Pins 2 & 3 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
Dh | Pins 1 & 2 closed | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
Eh | Pins 2 & 3 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
Fh | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
Note:The Address Segment is the first digit in the Base Memory Address. Refer to the previous table for the remaining three digits in the address. |
BOOT ROM | ||
Setting | JP43 | |
» | Disabled | Pins 2 & 3 closed |
| Enabled | Pins 1 & 2 closed |
FACTORY CONFIGURED SETTINGS | |
Jumper | Setting |
JP1 | Pins 2 & 3 closed |
JP23 | Pins 1 & 2 closed |
JP24 | Pins 2 & 3 closed |
JP25 | Pins 2 & 3 closed |
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 |