AT-LAN-TEC, INC.
16-BIT TWISTED PAIR ARCNET
| 
 NIC Type  | 
 ARCnet  | 
| 
 Transfer Rate  | 
 2.5Mbps  | 
| 
 Data Bus  | 
 16-bit ISA  | 
| 
 Topology  | 
 Linear bus Star  | 
| 
 Wiring Type  | 
 Shielded Twisted Pair Unshielded Twisted Pair  | 
| 
 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  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 2  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 3  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 4  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 251  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 252  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 253  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 254  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 255  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 Note:Node address 0 is reserved 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 most significant bit and switch 8 the least significant bit. The switches have the following decimal values: switch 1=128, switch 2=64, switch 3=32, switch 4=16, switch 5=8, switch 6=4, switch 7=2, switch 8=1. Turn Off the appropriate switches and add the values of the ‘off’ switches to obtain the correct node address.  | ||||||||
| 
 MEMORY ADDRESS SELECT  | ||||||
| 
 RAM Address  | 
 ROM Address  | 
 SW2/4  | 
 SW2/5  | 
 SW2/6  | 
 SW2/7  | 
 SW2/8  | 
| 
 C0000 - C07FFh  | 
 C2000 - C3FFFh  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 C0800 - C0FFFh  | 
 C2000 - C3FFFh  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 C1000 - C17FFh  | 
 C2000 - C3FFFh  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 C1800 - C1FFFh  | 
 C2000 - C3FFFh  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 C4000 - C47FFh  | 
 C6000 - C7FFFh  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 C4800 - C4FFFh  | 
 C6000 - C7FFFh  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 C5000 - C57FFh  | 
 C6000 - C7FFFh  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 C5800 - C5FFFh  | 
 C6000 - C7FFFh  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 CC000 - CC7FFh  | 
 CE000 - CFFFFh  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 CC800 - CCFFFh  | 
 CE000 - CFFFFh  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 CD000 - CD7FFh  | 
 CE000 - CFFFFh  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 CD800 - CDFFFh  | 
 CE000 - CFFFFh  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 D0000 - D07FFh  | 
 D2000 - D3FFFh  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 D0800 - D0FFFh  | 
 D2000 - D3FFFh  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 D1000 - D17FFh  | 
 D2000 - D3FFFh  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 D1800 - D1FFFh  | 
 D2000 - D3FFFh  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 D4000 - D47FFh  | 
 D6000 - D7FFFh  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 D4800 - D4FFFh  | 
 D6000 - D7FFFh  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 D5000 - D57FFh  | 
 D6000 - D7FFFh  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 D5800 - D5FFFh  | 
 D6000 - D7FFFh  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 D8000 - D87FFh  | 
 DA000 - DBFFFh  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 D8800 - D8FFFh  | 
 DA000 - DBFFFh  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 D9000 - D97FFh  | 
 DA000 - DBFFFh  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 D9800 - D9FFFh  | 
 DA000 - DBFFFh  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 DC000 - DC7FFh  | 
 DE000 - DFFFFh  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 DC800 - DCFFFh  | 
 DE000 - DFFFFh  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 DD000 - DD7FFh  | 
 DE000 - DFFFFh  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 DD800 - DDFFFh  | 
 DE000 - DFFFFh  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 E0000 - E07FFh  | 
 E2000 - E3FFFh  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 E0800 - E0FFFh  | 
 E2000 - E3FFFh  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 E1000 - E17FFh  | 
 E2000 - E3FFFh  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 E1800 - E1FFFh  | 
 E2000 - E3FFFh  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 TIMEOUT CONFIGURATION  | ||||
| 
 Response Time( m  | 
 Reconfiguration Time(msec)  | 
 J1/F  | 
 J1/G  | |
| » | 
 78  | 
 840  | 
 Open  | 
 Open  | 
| 
 285  | 
 1680  | 
 Open  | 
 Closed  | |
| 
 563  | 
 1680  | 
 Closed  | 
 Open  | |
| 
 1130  | 
 1680  | 
 Closed  | 
 Closed  | |
| 
 BOOT ROM  | ||
| 
 Setting  | 
 J1/H  | |
| » | 
 Disabled  | 
 Open  | 
| 
 Enabled  | 
 Closed  | |
| 
 I/O ADDRESS SELECT  | ||||
| 
 Address  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | |
| » | 
 2E0 - 2EFh  | 
 On  | 
 Off  | 
 On  | 
| 
 260 - 26Fh  | 
 On  | 
 On  | 
 On  | |
| 
 290 - 29Fh  | 
 Off  | 
 On  | 
 On  | |
| 
 2F0 - 2FFh  | 
 Off  | 
 Off  | 
 On  | |
| 
 300 - 30Fh  | 
 On  | 
 On  | 
 Off  | |
| 
 350 - 35Fh  | 
 Off  | 
 On  | 
 Off  | |
| 
 380 - 38Fh  | 
 On  | 
 Off  | 
 Off  | |
| 
 3E0 - 3EFh  | 
 Off  | 
 Off  | 
 Off  | |
| 
 INTERRUPT SELECT  | ||||||
| 
 IRQ  | 
 J1/A  | 
 J1/B  | 
 J1/C  | 
 J1/D  | 
 J1/E  | |
| » | 
 IRQ3  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
| 
 IRQ2  | 
 Closed  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | |
| 
 IRQ4  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | 
 Open  | |
| 
 IRQ5  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | 
 Open  | |
| 
 IRQ7  | 
 Open  | 
 Open  | 
 Open  | 
 Open  | 
 Closed  | |