STANDARD MICROSYSTEMS CORPORATION ================================= ARCNET PC500 NIC Type ARCnet Transfer Rate 2.5Mbps Data Bus 16-bit ISA Topology Star Linear Bus Wiring Type RG-62A/U 93ohm coaxial Boot ROM Not available +------------------------------------------------------------+ | NODE ADDRESS | |------------------------------------------------------------| |Node |SW3/1 |SW3/2 |SW3/3 |SW3/4 |SW3/5 |SW3/6 |SW3/7 |SW3/8| |-----+------+------+------+------+------+------+------+-----| | 0 | - | - | - | - | - | - | - | - | |-----+------+------+------+------+------+------+------+-----| | 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 | |-----+------+------+------+------+------+------+------+-----| | 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: 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 off the switches and add the| | values of the off switches to obtain the correct node | | address. (On=0, Off=1) | +------------------------------------------------------------+ +------------------------------------------------------------+ | RESPONSE & RECONFIGURATION TIMEOUTS | |------------------------------------------------------------| | Response Time | Idle Time | Reconfig. | JP2A | JP2B | | | | Time | | | |---------------+-----------+--------------+--------+--------| |>> | 78us | 86us | 840ms | Closed | Closed | |-----+---------+-----------+--------------+--------+--------| | | 285us | 316us | 1680ms | Closed | Open | |-----+---------+-----------+--------------+--------+--------| | | 563us | 624us | 1680ms | Open | Closed | |-----+---------+-----------+--------------+--------+--------| | | 1190us | 1237us | 1680ms | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | TOPOLOGY CONFIGURATION | |------------------------------------------------------------| | Topology | JP6 | |-------------------------------+----------------------------| | Star | Closed | |-------------------------------+----------------------------| | Linear Bus | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | I/O BASE ADDRESS | |------------------------------------------------------------| | Address | SW1/1 | SW1/2 | SW1/3 | SW1/4 | SW1/5 | SW1/6 | |-----------+--------+-------+-------+-------+-------+-------| |>> | 300h | On | On | On | On | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 200h | On | On | On | On | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 210h | Off | On | On | On | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 220h | On | Off | On | On | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 230h | Off | Off | On | On | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 240h | On | On | Off | On | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 250h | Off | On | Off | On | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 260h | On | Off | Off | On | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 270h | Off | Off | Off | On | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 280h | On | On | On | Off | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 290h | Off | On | On | Off | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 2A0h | On | Off | On | Off | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 2B0h | Off | Off | On | Off | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 2C0h | On | On | Off | Off | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 2D0h | Off | On | Off | Off | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 2E0h | On | Off | Off | Off | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 2F0h | Off | Off | Off | Off | On | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 310h | Off | On | On | On | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 320h | On | Off | On | On | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 330h | Off | Off | On | On | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 340h | On | On | Off | On | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 350h | Off | On | Off | On | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 360h | On | Off | Off | On | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 370h | Off | Off | Off | On | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 380h | On | On | On | Off | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 390h | Off | On | On | Off | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 3A0h | On | Off | On | Off | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 3B0h | Off | Off | On | Off | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 3C0h | On | On | Off | Off | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 3D0h | Off | On | Off | Off | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 3E0h | On | Off | Off | Off | Off | Off | |---+-------+--------+-------+-------+-------+-------+-------| | | 3F0h | Off | Off | Off | Off | Off | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT REQUEST | |------------------------------------------------------------| | IRQ | SW1/7 | SW1/8 | SW1/9 | SW1/10 | |----------+------------+-----------+-----------+------------| | 2/9 | Off | On | On | Off | |----------+------------+-----------+-----------+------------| | 3 | Off | Off | On | On | |----------+------------+-----------+-----------+------------| | 4 | On | On | Off | On | |----------+------------+-----------+-----------+------------| | 5 | Off | On | Off | On | |----------+------------+-----------+-----------+------------| | 7 | Off | Off | Off | On | |----------+------------+-----------+-----------+------------| | 10 | On | Off | On | Off | |----------+------------+-----------+-----------+------------| | 11 | Off | Off | On | Off | |----------+------------+-----------+-----------+------------| | 12 | On | On | Off | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | FACTORY CONFIGURED SETTINGS | |------------------------------------------------------------| | Switch | Setting | |------------------------------+-----------------------------| | SW2/1 | On | |------------------------------+-----------------------------| | SW2/2 | On | |------------------------------+-----------------------------| | SW2/3 | Off | |------------------------------+-----------------------------| | SW2/4 | On | |------------------------------+-----------------------------| | SW2/5 | On | |------------------------------+-----------------------------| | SW2/6 | On | +------------------------------------------------------------+ +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |------+-------+----------+----------------------------------| | LED1 | Red | On | Card is being accessed by host | | | | | computer | |------+-------+----------+----------------------------------| | LED1 | Red | Off | Card is not being accessed by | | | | | host computer | |------+-------+----------+----------------------------------| | LED2 | Green | On | Data is being | | | | | transmitted/received | |------+-------+----------+----------------------------------| | LED2 | Green | Off | Data is not being | | | | | transmitted/received | |------+-------+----------+----------------------------------| | LED2 | Green | Blinking | Network is reconfiguring | +------------------------------------------------------------+