ALLOY COMPUTER PRODUCTS, INC. ============================= EARTHNET-1 NIC Type Arcnet Transfer Rate 2.5Mbps Data Bus 8-bit ISA Topology Star Wiring Type RG-62A/U 93ohm coaxial Boot ROM Available +------------------------------------------------------------+ | NODE ADDRESS SELECTION | |------------------------------------------------------------| |Address |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 node address settings are available. | | The switches are a binary representation of the decimal | | node addresses. switch SW2/1 is the Least Significant Bit | | and jumper SW2/8 is the Most Significant Bit. The switches| | have the following decimal values: jumper SW2/1=1, | | SW2/2=2, SW2/3=4, SW2/4=8, SW2/5=16, SW2/6=32, SW2/7=64, | | SW2/8=128.Open the switches and add the values of the open| | jumpers to obtain the correct node address. (On=0, Off=1) | +------------------------------------------------------------+ +------------------------------------------------------------+ | BASE I/O ADDRESS SELECTION | |------------------------------------------------------------| | Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | |------------+-------+-------+-------+-------+-------+-------| |>> | 2E0h | Off | Off | Off | Off | Off | On | |----+-------+-------+-------+-------+-------+-------+-------| | | 200h | Off | On | On | On | On | On | |----+-------+-------+-------+-------+-------+-------+-------| | | 210h | Off | On | On | On | On | Off | |----+-------+-------+-------+-------+-------+-------+-------| | | 220h | Off | On | On | On | Off | On | |----+-------+-------+-------+-------+-------+-------+-------| | | 230h | Off | On | On | On | Off | Off | |----+-------+-------+-------+-------+-------+-------+-------| | | 240h | Off | On | On | Off | On | On | |----+-------+-------+-------+-------+-------+-------+-------| | | 3B0h | Off | Off | Off | On | Off | Off | |----+-------+-------+-------+-------+-------+-------+-------| | | 3C0h | Off | Off | Off | Off | On | On | |----+-------+-------+-------+-------+-------+-------+-------| | | 3D0h | Off | Off | Off | Off | On | Off | |----+-------+-------+-------+-------+-------+-------+-------| | | 3E0h | Off | Off | Off | Off | Off | On | |----+-------+-------+-------+-------+-------+-------+-------| | | 3F0h | Off | Off | Off | Off | Off | Off | |------------------------------------------------------------| | Note: Addresses from 0h to 3F0h are possible, but those | | below 200h are not normally used. The sum of SW1/1 and | | SW1/2 represent the first digit. The sum of SW1/3-6 | | represent the second digit. The last digit is always zero. | | SW1/1=200h, SW1/2=100h, SW1/3=80h, SW1/4=40h, SW1/5=20h, | | SW/6=10h. | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT SELECTION | |------------------------------------------------------------| | IRQ | JP2/1 | JP2/2 | JP2/3 | JP2/4 | JP2/5 | |---------+----------+---------+---------+---------+---------| |>> | 2 | Closed | Open | Open | Open | Open | |---+-----+----------+---------+---------+---------+---------| | | 3 | Open | Closed | Open | Open | Open | |---+-----+----------+---------+---------+---------+---------| | | 4 | Open | Open | Closed | Open | Open | |---+-----+----------+---------+---------+---------+---------| | | 5 | Open | Open | Open | Closed | Open | |---+-----+----------+---------+---------+---------+---------| | | 7 | Open | Open | Open | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SHARED RAM ADDRESS | |------------------------------------------------------------| |Address|SW1/7 |SW1/8 |SW1/9|SW1/10|JP1/1|JP1/2|JP1/3 |JP1/4 | |-------+------+------+-----+------+-----+-----+------+------| |A0000h | Off | On | Off | On |Open |Open | Open | Open | |-------+------+------+-----+------+-----+-----+------+------| |A4000h | Off | On | Off | On |Open |Open |Closed| Open | |-------+------+------+-----+------+-----+-----+------+------| |A8000h | Off | On | Off | On |Open |Open | Open |Closed| |-------+------+------+-----+------+-----+-----+------+------| |B0000h | Off | On | Off | Off |Open |Open | Open | Open | |-------+------+------+-----+------+-----+-----+------+------| |B4000h | Off | On | Off | Off |Open |Open |Closed| Open | |-------+------+------+-----+------+-----+-----+------+------| |B8000h | Off | On | Off | Off |Open |Open | Open |Closed| |-------+------+------+-----+------+-----+-----+------+------| |C0000h | Off | Off | On | On |Open |Open | Open | Open | |-------+------+------+-----+------+-----+-----+------+------| |C4000h | Off | Off | On | On |Open |Open |Closed| Open | |-------+------+------+-----+------+-----+-----+------+------| |C8000h | Off | Off | On | On |Open |Open | Open |Closed| |-------+------+------+-----+------+-----+-----+------+------| |D0000h | Off | Off | On | Off |Open |Open | Open | Open | |-------+------+------+-----+------+-----+-----+------+------| |D4000h | Off | Off | On | Off |Open |Open |Closed| Open | |-------+------+------+-----+------+-----+-----+------+------| |D8000h | Off | Off | On | Off |Open |Open | Open |Closed| |-------+------+------+-----+------+-----+-----+------+------| |E0000h | Off | Off | Off | On |Open |Open | Open | Open | |-------+------+------+-----+------+-----+-----+------+------| |E4000h | Off | Off | Off | On |Open |Open |Closed| Open | |-------+------+------+-----+------+-----+-----+------+------| |E8000h | Off | Off | Off | On |Open |Open | Open |Closed| +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |-------+---------------+---------+--------------------------| | LED1 | Unidentified | On | Data is being | | | | | transmitted/received | |-------+---------------+---------+--------------------------| | LED1 | Unidentified | Off | Data is not being | | | | | transmitted/received | |-------+---------------+---------+--------------------------| | LED2 | Unidentified | On | Network connection is | | | | | good | |-------+---------------+---------+--------------------------| | LED2 | Unidentified | Off | Network connection is | | | | | broken | |------------------------------------------------------------| | Note: Continuous pulsing of LED2 indicates network error | | or node address conflict. | +------------------------------------------------------------+