| View Source | |
| # ADVANCED MICROCOMPUTER SYSTEMS, INC. | |
| EPP-1 | |
| Card Type Multi I/O | |
| Chipset Controller Unidentified | |
| I/O Options Serial port(2), parallel port | |
| Maximum DRAM N/A | |
| IMG 1 | |
| +------------------------------------------------------------+ | |
| | CONNECTIONS | | |
| |------------------------------------------------------------| | |
| | Purpose | Location | Purpose | Location | | |
| |---------------+--------------+---------------+-------------| | |
| | Serial port 1 | CN1 | Serial port 2 | CN3 | | |
| |---------------+--------------+---------------+-------------| | |
| | Parallel port | CN2 | | | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------------------------… | |
| | PARALLEL PORT INTERRUPT … | |
| |------------------------------------------------------------------------------… | |
| |IRQ| H1/A | H1/B | H1/C | H1/D | H1/E | H1/F | H1/G | H1/H | H1/I | H1/J | H1/… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| | 2 |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Open | Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| | 3 | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Open | Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| | 4 | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Open | Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| | 5 | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Open | Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| | 6 | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Open | Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| | 7 | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Open | Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| |10 | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Open | Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| |11 | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Open | Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| |12 | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Open | Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| |14 | Open | Open | Open | Open | Open | Open | Open | Open | Open |Closed| Ope… | |
| |---+------+------+------+------+------+------+------+------+------+------+----… | |
| |15 | Open | Open | Open | Open | Open | Open | Open | Open | Open | Open |Clos… | |
| |------------------------------------------------------------------------------… | |
| | Note: Interrupt settings for H1 Shown. H2, and H3 use identical … | |
| | configurations. H1 affects Parallel port 1, H2 affects serial port 1 and H3 … | |
| | affects serial port 2. … | |
| +------------------------------------------------------------------------------… | |
| +------------------------------------------------------------+ | |
| | SERIAL PORT 1 ADDRESS SELECT | | |
| |------------------------------------------------------------| | |
| | Address | H6/A | H6/B | | |
| |------------------+--------------------+--------------------| | |
| | COM1 (3F8h) | Pins 1 & 2 closed | Pins 1 & 2 closed | | |
| |------------------+--------------------+--------------------| | |
| | COM2 (2F8h) | Pins 1 & 2 closed | Pins 2 & 3 closed | | |
| |------------------+--------------------+--------------------| | |
| | COM3 (3E8h) | Pins 2 & 3 closed | Pins 1 & 2 closed | | |
| |------------------+--------------------+--------------------| | |
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | SERIAL PORT 2 ADDRESS SELECT | | |
| |------------------------------------------------------------| | |
| | Address | H7/A | H7/B | | |
| |------------------+--------------------+--------------------| | |
| | COM2 (2F8h) | Pins 1 & 2 closed | Pins 1 & 2 closed | | |
| |------------------+--------------------+--------------------| | |
| | COM3 (3F8h) | Pins 1 & 2 closed | Pins 2 & 3 closed | | |
| |------------------+--------------------+--------------------| | |
| | COM4 (2E8h) | Pins 2 & 3 closed | Pins 1 & 2 closed | | |
| |------------------+--------------------+--------------------| | |
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | PARALLEL PORT ADDRESS SELECT | | |
| |------------------------------------------------------------| | |
| | Address | H4/A | H4/B | | |
| |------------------+--------------------+--------------------| | |
| | 278h | Pins 1 & 2 closed | Pins 1 & 2 closed | | |
| |------------------+--------------------+--------------------| | |
| | 378h | Pins 1 & 2 closed | Pins 2 & 3 closed | | |
| |------------------+--------------------+--------------------| | |
| | N/A | Pins 2 & 3 closed | Pins 1 & 2 closed | | |
| |------------------+--------------------+--------------------| | |
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed | | |
| +------------------------------------------------------------+ | |
| +------------------------------------------------------------+ | |
| | PARALLEL PORT MODE SELECT | | |
| |------------------------------------------------------------| | |
| | Mode | H5/A | H5/B | | |
| |------------------+--------------------+--------------------| | |
| | Normal | Pins 2 & 3 closed | Pins 2 & 3 closed | | |
| |------------------+--------------------+--------------------| | |
| | EPP | Pins 2 & 3 closed | Pins 1 & 2 closed | | |
| |------------------+--------------------+--------------------| | |
| | ECP | Pins 1 & 2 closed | Pins 2 & 3 closed | | |
| |------------------+--------------------+--------------------| | |
| | EPP & ECP | Pins 1 & 2 closed | Pins 1 & 2 closed | | |
| +------------------------------------------------------------+ |