TIARA COMPUTER SYSTEMS, INC.
ARCNET UNIVERSAL LANCARD
| 
 NIC Type  | 
 ARCnet  | 
| 
 Transfer Rate  | 
 2.5Mbps  | 
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 Topology  | 
 Linear Bus, Star  | 
| 
 Wiring Type  | 
 RG--58A/U 50ohm coaxial Unshielded twisted pair  | 
| 
 Boot ROM  | 
 Available  | 
| 
 BOOT ROM  | ||
| 
 Setting  | 
 JP2/I  | |
| » | 
 Disabled  | 
 Open  | 
| 
 Enabled  | 
 Closed  | |
| 
 CABLE TYPE  | |||
| 
 Type  | 
 JP3  | 
 JP4  | |
| » | 
 Thin Ethernet  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | 
| 
 Unshielded twisted pair  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | |
| 
 I/O ADDRESS SELECT  | ||||
| 
 Address  | 
 JP2/A  | 
 JP2/B  | 
 JP2/C  | |
| » | 
 2E0h  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 Note: All other address configurations are unspecified in manufacturer documentation. Alternate address settings should be silk-screened on the board itself.  | ||||
| 
 INTERRUPT SELECT  | ||||||||||
| 
 IRQ  | 
 JP1/A  | 
 JP1/B  | 
 JP1/C  | 
 JP1/D  | 
 JP1/E  | 
 JP1/F  | 
 JP1/G  | 
 JP1/H  | 
 JP1/I  | |
| » | 
 
  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ10  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ11  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 IRQ12  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 IRQ15  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |
| 
 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  | 
 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 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 on the switches and add the values of the on switches to obtain the correct node address. (On=1, Off=0)  | ||||||||
| 
 RIM BUFFER ADDRESS  | ||||||
| 
 Address  | 
 JP2/D  | 
 JP2/E  | 
 JP2/F  | 
 JP2/G  | 
 JP2/H  | |
| » | 
 D0000h  | 
 Closed  | 
 Open  | 
 Open  | 
 Closed  | 
 Closed  | 
| 
 Note: All other address configurations are unspecified in manufacturer documentation. Alternate address settings should be silk-screened on the board itself.  | ||||||
| 
 TOPOLOGY  | ||
| 
 Topology  | 
 JP5  | |
| » | 
 Star  | 
 Closed  | 
| 
 Linear Bus  | 
 Open  | |