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# EVEREX SYSTEMS, INC.
MICRO ENHANCER DELUXE EV-657 (VER.1.0)
Card Type Parallel card, Video card
Video Chip Set Everex Systems
Highest Resolution 720 x 348
Supported
Maximum Video Memory 256KB DRAM (location unidentified)
Data Bus 8-bit ISA
Video Types Supported EGA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|-----------------+-------+--------------------------+-------|
| Parallel port | CN1 | 9-pin digital video port | CN2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| » | Factory configured - do not alter | W1 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Non-Maskable Interrupt selected | W2 | Pins 2 & |
| | (NMI) | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Interrupt request selected (IRQ) | W2 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | I/O port address selected at 3XX | W3 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| | I/O port address selected at 2XX | W3 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | Parallel port interrupt IRQ7 | W6 | Pins 2 & |
| | enabled | | 3 closed |
|---+------------------------------------+-------+-----------|
| | Parallel port interrupt IRQ5 | W6 | Pins 1 & |
| | disabled | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Factory configured - do not alter | W7 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | Factory configured - do not alter | W8 | Open |
|---+------------------------------------+-------+-----------|
| » | CRTC Vertical interrupt enabled | W9/A | Closed |
|---+------------------------------------+-------+-----------|
| | CRTC Vertical interrupt disabled | W9/A | Open |
|---+------------------------------------+-------+-----------|
| » | Operation in PC-XT slot 8 disabled | W10 | Open |
|---+------------------------------------+-------+-----------|
| | Operation in PC-XT slot 8 disabled | W10 | Closed |
|---+------------------------------------+-------+-----------|
| » | Factory configured - do not alter | W11 | Pins 1 & |
| | | | 2 closed |
|---+------------------------------------+-------+-----------|
| » | Factory configured - do not alter | W12 | Pins 2 & |
| | | | 3 closed |
|---+------------------------------------+-------+-----------|
| » | Factory configured - do not alter | W13 | Closed |
|---+------------------------------------+-------+-----------|
| » | Emulation enabled | SW1/5 | On |
|---+------------------------------------+-------+-----------|
| | Emulation disabled | SW1/5 | Off |
|---+------------------------------------+-------+-----------|
| » | Factory configured - do not alter | SW1/6 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address | W4 | W5 |
|------------------+--------------------+--------------------|
| » | 3BCh - 3BEh | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 378h - 37Fh | Pins 1 & 2 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 278h - 27Fh | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BOOT-UP MODE SELECTION |
|------------------------------------------------------------|
| Monitor |Mode & Format|SW1/1|SW1/2|SW1/3|SW1/4|SW1/7|SW1/8|
|----------+-------------+-----+-----+-----+-----+-----+-----|
| Enhanced | EGA 80x25 | Off | On | On | Off | On | On |
|----------+-------------+-----+-----+-----+-----+-----+-----|
| Enhanced | Color 80x25 | On | On | On | Off | On | On |
|----------+-------------+-----+-----+-----+-----+-----+-----|
| Color | Color 80x25 | Off | Off | Off | On | On | Off |
|----------+-------------+-----+-----+-----+-----+-----+-----|
| Color | Color 40x25 | On | Off | Off | On | On | Off |
|----------+-------------+-----+-----+-----+-----+-----+-----|
|Monochrome| Monochrome | Off | Off | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
|Setting | W9/B | W9/C | W9/D | W9/E | W9/F | W9/G |
|--------+--------+--------+--------+--------+-------+-------|
| 2 | Closed | Open | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| 3 | Open | Closed | Open | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| 4 | Open | Open | Closed | Open | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| 5 | Open | Open | Open | Closed | Open | Open |
|--------+--------+--------+--------+--------+-------+-------|
| 6 | Open | Open | Open | Open |Closed | Open |
|--------+--------+--------+--------+--------+-------+-------|
| 7 | Open | Open | Open | Open | Open |Closed |
+------------------------------------------------------------+