Multi-tech systems, inc. ======================== isi551pc Card Type Serial interface Chip Set Unidentified Maximum Onboard Memory Unidentified I/O Options Serial port Data Bus 16-bit ISA (EISA also available) +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | |-------------------------------+----------------------------| | Serial port 1 | J1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | | Label | Location | |-------------------------------------+---------+------------| |>> | Factory configured do not alter | SW1/8 | On | +------------------------------------------------------------+ +------------------------------------------------------------+ | PORT 1 ADDRESS SELECTION | |------------------------------------------------------------| | IRQ | JP1/ | JP1/ | JP1/ | JP1/ | JP1/ | | | | | | | | | | Pins 1 & | Pins 3 & | Pins 5 & | Pins 7 & | Pins 9 & | | | 2 | 4 | 6 | 8 | 10 | |-----+----------+----------+----------+----------+----------| | 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 | |-----+----------+----------+----------+----------+----------| | 10 | Open | Open | Open | Open | Open | |-----+----------+----------+----------+----------+----------| | 11 | Open | Open | Open | Open | Open | |-----+----------+----------+----------+----------+----------| | 12 | Open | Open | Open | Open | Open | |-----+----------+----------+----------+----------+----------| | 15 | Open | Open | Open | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | PORT 1 ADDRESS SELECTION (CONTINUED) | |------------------------------------------------------------| | IRQ | JP1/ | JP1/ | JP1/ | JP1/ | | | | | | | | | Pins 11 & | Pins 13 & | Pins 15 & | Pins 17 & | | | 12 | 14 | 16 | 18 | |-----+-------------+-------------+-------------+------------| | 2 | Open | Open | Open | Open | |-----+-------------+-------------+-------------+------------| | 3 | Open | Open | Open | Open | |-----+-------------+-------------+-------------+------------| | 4 | Open | Open | Open | Open | |-----+-------------+-------------+-------------+------------| | 5 | Open | Open | Open | Open | |-----+-------------+-------------+-------------+------------| | 7 | Open | Open | Open | Open | |-----+-------------+-------------+-------------+------------| | 10 | Closed | Open | Open | Open | |-----+-------------+-------------+-------------+------------| | 11 | Open | Closed | Open | Open | |-----+-------------+-------------+-------------+------------| | 12 | Open | Open | Closed | Open | |-----+-------------+-------------+-------------+------------| | 15 | Open | Open | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT ADDRESS SELECT | |------------------------------------------------------------| | Setting |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6 |SW1/7 | |-----------+------+------+------+------+------+------+------| | | 100h | On | On | On | On | On | Off | On | |---+-------+------+------+------+------+------+------+------| | | 108h | Off | On | On | On | On | Off | On | |---+-------+------+------+------+------+------+------+------| | | 110h | On | Off | On | On | On | Off | On | |---+-------+------+------+------+------+------+------+------| | | 118h | Off | Off | On | On | On | Off | On | |---+-------+------+------+------+------+------+------+------| | | 120h | On | On | Off | On | On | Off | On | |---+-------+------+------+------+------+------+------+------| | | 2E8h | Off | On | Off | Off | Off | On | Off | | | (COM | | | | | | | | | | 4:) | | | | | | | | |---+-------+------+------+------+------+------+------+------| |>> | 2F8h | Off | Off | Off | Off | Off | On | Off | | | (COM | | | | | | | | | | 2:) | | | | | | | | |---+-------+------+------+------+------+------+------+------| | | 3D8h | Off | Off | On | Off | Off | Off | Off | |---+-------+------+------+------+------+------+------+------| | | 3E0h | On | On | Off | Off | Off | Off | Off | |---+-------+------+------+------+------+------+------+------| | | 3E8h | Off | On | Off | Off | Off | Off | Off | | | (COM | | | | | | | | | | 3:) | | | | | | | | |---+-------+------+------+------+------+------+------+------| | | 3F0h | On | Off | Off | Off | Off | Off | Off | |---+-------+------+------+------+------+------+------+------| | | 3F8h | Off | Off | Off | Off | Off | Off | Off | | | (COM | | | | | | | | | | 1:) | | | | | | | | |------------------------------------------------------------| | Note: | | | |A total of 752 memory base address settings are available. | |The switches are a binary representation of the decimal | |addresses. Switch 1 is the Least Significant Bit and switch | |7 is the Most Significant Bit. The switches have the | |following decimal values: switch 1=8, 2=16, 3=32, 4=64, | |5=128, 6=256, 7=512. Add the values of the on switches to | |obtain the correct memory address. (Off=1, On=0) | +------------------------------------------------------------+ +------------------------------------------------------------+ | MISCELLANEOUS TECHNICAL NOTES | |------------------------------------------------------------| | Orientation of SW1 may vary in different revisions. | +------------------------------------------------------------+