UNIDENTIFIED
B-666
| 
 NIC Type  | 
 ARCnet  | 
| 
 Network Transfer Rate  | 
 2.5Mbps  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Topology  | 
 Star  | 
| 
 Wiring Type  | 
 RG-62A/U 93ohm coaxial RG-58A/U 50ohm coaxial  | 
| 
 Boot ROM  | 
 Available  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 RG-58A/U 50ohm coaxial  | 
 CN1  | 
 RG-62A/U 93ohm coaxial  | 
 CN2  | 
| 
 USER CONFIGURABLE SETTINGS  | ||
| 
 Function  | 
 Label  | 
 Position  | 
| 
 Boot ROM enabled  | 
 JP1  | 
 Closed  | 
| 
 Boot ROM disabled  | 
 JP1  | 
 Open  | 
| 
 STATION NODE ADDRESS SELECTION  | ||||||||
| 
 Node  | 
 SW2/1  | 
 SW2/2  | 
 SW2/3  | 
 SW2/4  | 
 SW2/5  | 
 SW2/6  | 
 SW2/7  | 
 SW2/8  | 
| 
 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  | 
| 
 5  | 
 Off  | 
 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: A total of 255 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit. Turn off the switches and add the values of the switches to obtain the correct memory address. | ||||||||
| 
 ROM ADDRESS SELECTION  | ||||||
| 
 Address  | 
 PROM Address  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
 SW1/5  | 
| 
 C:0000-C:07FFh  | 
 C:2000-C:3FFFh  | 
 On  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 C:0800-C:0FFFh  | 
 C:2000-C:3FFFh  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 C:1000-C:17FFh  | 
 C:2000-C:3FFFh  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 C:1800-C:1FFFh  | 
 C:2000-C:3FFFh  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 C:4000-C:47FFh  | 
 C:6000-C:7FFFh  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 C:4800-C:4FFFh  | 
 C:6000-C:7FFFh  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 C:5000-C:57FFh  | 
 C:6000-C:7FFFh  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 C:5800-C:5FFFh  | 
 C:6000-C:7FFFh  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 C:C000-C:C7FFh  | 
 C:E000-C:FFFFh  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 C:C800-C:CFFFh  | 
 C:E000-C:FFFFh  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 C:D000-C:D7FFh  | 
 C:E000-C:FFFFh  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 C:D800-C:DFFFh  | 
 C:E000-C:FFFFh  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 D:0000-D:07FFh  | 
 D:2000-D:3FFFh  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 D:0800-D:0FFFh  | 
 D:2000-D:3FFFh  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 D:1000-D:17FFh  | 
 D:2000-D:3FFFh  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 D:1800-D:1FFFh  | 
 D:2000-D:3FFFh  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 D:4000-D:47FFh  | 
 D:6000-D:7FFFh  | 
 On  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 D:4800-D:4FFFh  | 
 D:6000-D7FFFh  | 
 Off  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 D:5000-D:57FFh  | 
 D:6000-D:7FFFh  | 
 On  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 D:5800-D:5FFFh  | 
 D:6000-D:7FFFh  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 D:8000-D:87FFh  | 
 D:A000-D:BFFFh  | 
 On  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 D:8800-D:8FFFh  | 
 D:A000-D:BFFFh  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 D:9000-D:97FFh  | 
 D:A000-D:BFFFh  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 D:9800-D:9FFFh  | 
 D:A000-D:BFFFh  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 D:C000-D:C7FFh  | 
 D:E000-D:FFFFh  | 
 On  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 D:C800-D:CFFFh  | 
 D:E000-D:FFFFh  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 D:D000-D:D7FFh  | 
 D:E000-D:FFFFh  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 D:D800-D:DFFFh  | 
 D:E000-D:FFFFh  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 E:0000-E:07FFh  | 
 E:2000-E:3FFFh  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 E:0800-E:0FFFh  | 
 E:2000-E:3FFFh  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 E:1000-E17FFh  | 
 E:2000-E:3FFFh  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 E:1800-E:1FFFh  | 
 E:2000-E:3FFFh  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
 Off  | 
| 
 BASE I/O ADDRESS SELECTION  | |||
| 
 Setting  | 
 SW1/6  | 
 SW1/7  | 
 SW1/8  | 
| 
 260-26Fh  | 
 On  | 
 On  | 
 On  | 
| 
 290-29Fh  | 
 Off  | 
 On  | 
 On  | 
| 
 2E0-2EFh  | 
 On  | 
 Off  | 
 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  | 
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 Note: Jumper JP2 sets the interrupt line, however the exact configuration is unidentified. The purpose of jumper JP3 is unidentified.  |