DIGI INTERNATIONAL, INC. ======================== DIGICHANNEL PC/4 Card Type Serial Chip Set Unidentified I/O Options Serial ports (4) Data Bus 8-bit ISA +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | Function | Label | |-------------------------+-------+------------------+-------| | Odd-interrupt daisy | P2 | Serial ports via | P4 | | chain connector | | DB-78 connector | | |-------------------------+-------+------------------+-------| | Even-interrupt daisy | P3 | | | | chain connector | | | | |------------------------------------------------------------| | Note:Standard DB-25 or RJ-45 serial ports are | | provided on an included adapter cable. | | | | See the daisy chain configuration table for more | | information about P2 and P3. | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Setting | Label | Position | |----------------------------------------+-------+-----------| |>> | Port 1 uses interrupt table 1 (odd | J1 | Pins 1 & | | | interrupts) | | 2 closed | |---+------------------------------------+-------+-----------| | | Port 1 uses interrupt table 2 | J1 | Pins 2 & | | | (even interrupts) | | 3 closed | |---+------------------------------------+-------+-----------| |>> | Port 2 uses interrupt table 1 | J2 | Pins 1 & | | | | | 2 closed | |---+------------------------------------+-------+-----------| | | Port 2 uses interrupt table 2 | J2 | Pins 2 & | | | | | 3 closed | |---+------------------------------------+-------+-----------| |>> | Port 3 uses interrupt table 1 | J3 | Pins 1 & | | | | | 2 closed | |---+------------------------------------+-------+-----------| | | Port 3 uses interrupt table 2 | J3 | Pins 2 & | | | | | 3 closed | |---+------------------------------------+-------+-----------| |>> | Port 4 uses interrupt table 1 | J4 | Pins 1 & | | | | | 2 closed | |---+------------------------------------+-------+-----------| | | Port 4 uses interrupt table 2 | J4 | Pins 2 & | | | | | 3 closed | |---+------------------------------------+-------+-----------| |>> | Factory configured - do not alter | SW1/8 | On | |---+------------------------------------+-------+-----------| |>> | Factory configured - do not alter | SW1/9 | On | |---+------------------------------------+-------+-----------| |>> | Port 1 enabled | SW2/8 | On | |---+------------------------------------+-------+-----------| | | Port 1 disabled | SW2/8 | Off | |---+------------------------------------+-------+-----------| |>> | Port 2 enabled | SW3/8 | On | |---+------------------------------------+-------+-----------| | | Port 2 disabled | SW3/8 | Off | |---+------------------------------------+-------+-----------| |>> | Port 3 enabled | SW4/8 | On | |---+------------------------------------+-------+-----------| | | Port 3 disabled | SW4/8 | Off | |---+------------------------------------+-------+-----------| |>> | Port 4 enabled | SW5/8 | On | |---+------------------------------------+-------+-----------| | | Port 4 disabled | SW5/8 | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | BOARD NUMBER | |------------------------------------------------------------| | Setting | J9 | J10 | |------------------+--------------------+--------------------| | 0 | Pins 2 & 3 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | 1 | Pins 2 & 3 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 2 | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | 3 | Pins 1 & 2 closed | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | STATUS REGISTER ADDRESS | |------------------------------------------------------------| |Setting |SW1/1 |SW1/2 |SW1/3 |SW1/4|SW1/5|SW1/6|SW1/7|SW1/10| |--------+------+------+------+-----+-----+-----+-----+------| | 000h | On | On | On | On | On | On | On | On | |--------+------+------+------+-----+-----+-----+-----+------| | 008h | On | On | On | On | On | On | Off | On | |--------+------+------+------+-----+-----+-----+-----+------| | 010h | On | On | On | On | On | Off | On | On | |--------+------+------+------+-----+-----+-----+-----+------| | 018h | On | On | On | On | On | Off | Off | On | |--------+------+------+------+-----+-----+-----+-----+------| | 020h | On | On | On | On | Off | On | On | On | |--------+------+------+------+-----+-----+-----+-----+------| | 3D8h | Off | Off | Off | Off | On | Off | Off | On | |--------+------+------+------+-----+-----+-----+-----+------| | 3E0h | Off | Off | Off | Off | Off | On | On | On | |--------+------+------+------+-----+-----+-----+-----+------| | 3E8h | Off | Off | Off | Off | Off | On | Off | On | |--------+------+------+------+-----+-----+-----+-----+------| | 3F0h | Off | Off | Off | Off | Off | Off | On | On | |--------+------+------+------+-----+-----+-----+-----+------| | 3F8h | Off | Off | Off | Off | Off | Off | Off | On | |--------+------+------+------+-----+-----+-----+-----+------| |Disabled| Off | Off | Off | Off | Off | Off | Off | Off | |------------------------------------------------------------| | Note: A total of 128 base address settings are | | available. The switches are a binary representation of | | the decimal memory addresses. SW1/1 is the Most | | Significant Bit and switch SW1/7 is the Least | | Significant Bit. The switches have the following | | decimal values: SW1/1=512, SW1/2=256, SW1/3=128, | | SW1/4=64, SW1/5=32, SW1/6=16, SW1/7=8. Turn off the | | switches and add the values of the switches that are | | off to obtain the correct memory address. (Off=1, On=0)| | SW1/10 must always be on. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PORT ADDRESSES | |------------------------------------------------------------| | Setting | SW2/1 | SW2/2 |SW2/3 |SW2/4 |SW2/5 |SW2/6 |SW2/7 | |---------+-------+-------+------+------+------+------+------| | 000h | On | On | On | On | On | On | On | |---------+-------+-------+------+------+------+------+------| | 008h | On | On | On | On | On | On | Off | |---------+-------+-------+------+------+------+------+------| | 010h | On | On | On | On | On | Off | On | |---------+-------+-------+------+------+------+------+------| | 018h | On | On | On | On | On | Off | Off | |---------+-------+-------+------+------+------+------+------| | 020h | On | On | On | On | Off | On | On | |---------+-------+-------+------+------+------+------+------| | 3D8h | Off | Off | Off | Off | On | Off | Off | |---------+-------+-------+------+------+------+------+------| | 3E0h | Off | Off | Off | Off | Off | On | On | |---------+-------+-------+------+------+------+------+------| | 3E8h | Off | Off | Off | Off | Off | On | Off | |---------+-------+-------+------+------+------+------+------| | 3F0h | Off | Off | Off | Off | Off | Off | On | |---------+-------+-------+------+------+------+------+------| | 3F8h | Off | Off | Off | Off | Off | Off | Off | |------------------------------------------------------------| | Note:The function of switches SW3-SW5 are identical to | | the function of SW2. The function of SW2 is to | | configure port 1. The functions of switches SW3 through| | SW5 are to configure ports 2 through 4 respectively. | | | | A total of 128 base address settings are available. The| | switches are a binary representation of the decimal | | memory addresses. SWx/1 is the Most Significant Bit and| | switch SWx/7 is the Least Significant Bit. The switches| | have the following decimal values: SWx/1=512, | | SWx/2=256, SWx/3=128, SWx/4=64, SWx/5=32, SWx/6=16, | | SWx/7=8. Turn off the switches and add the values of | | the switches that are off to obtain the correct memory | | address. (Off=1, On=0) | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT (TABLE 1) | |------------------------------------------------------------| | Setting | J85 | J86 | J87 | J88 | J89 | J90 | |----------+--------+--------+--------+-------+-------+------| | IRQ3 | Closed | Open | Open | Open | Open | Open | |----------+--------+--------+--------+-------+-------+------| | IRQ5 | Open | Closed | Open | Open | Open | Open | |----------+--------+--------+--------+-------+-------+------| | IRQ7 | Open | Open | Closed | Open | Open | Open | |----------+--------+--------+--------+-------+-------+------| | Disabled | Open | Open | Open | Open | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERRUPT (TABLE 2) | |------------------------------------------------------------| | Setting | J85 | J86 | J87 | J88 | J89 | J90 | |----------+-------+-------+------+--------+--------+--------| | IRQ2 | Open | Open | Open | Open | Open | Closed | |----------+-------+-------+------+--------+--------+--------| | IRQ4 | Open | Open | Open | Open | Closed | Open | |----------+-------+-------+------+--------+--------+--------| | IRQ6 | Open | Open | Open | Closed | Open | Open | |----------+-------+-------+------+--------+--------+--------| | Disabled | Open | Open | Open | Open | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | DAISY CHAIN CONFIGURATION | |------------------------------------------------------------| | Setting | P2 | P3 | |------------------+--------------------+--------------------| | No daisy chain | Pins 2 & 3 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | Board is set to | Connected to P2 on | Pins 2 & 3 closed | | odd interrupt | next board | | |------------------+--------------------+--------------------| | Board is set to | Pins 2 & 3 closed | Connected to P3 on | | even interrupt | | next board | |------------------------------------------------------------| | Note:When using the daisy-chain connectors, the board | | may only use one interrupt. Up to four boards may be | | daisy-chained. Daisy-chaining boards to operate as | | one unit will only function under MS-DOS and | | compatible operating systems. | +------------------------------------------------------------+