TEXT View Source
# EVEREX SYSTEMS, INC.
MICROENHANCER EV-653
Category Video
Video Types EGA/Monochrome
Supported
Video Processor Unidentified
Highest 640 x 350
Resolution
Supported
Data Bus Type 8-bit ISA
Memory Type DRAM
Maximum Onboard 256KB (Exact location of memory is
Memory unidentified)
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------------+----------+------------+----------|
| 15-pin analog video | CN1 | Light pen | J2 |
| port | | connector | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| I/O PORT ADDRESS CONFIGURATION |
|------------------------------------------------------------|
| Address | W3 |
|----------------------------+-------------------------------|
| » | 3xx | Pins 1 & 2 closed |
|----+-----------------------+-------------------------------|
| | 2xx | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SLOT LOCATION SELECTION |
|------------------------------------------------------------|
| Setting | W5 |
|-------------------------------------+----------------------|
| » | Card is not installed in slot 8 | Closed |
|---+---------------------------------+----------------------|
| | Card is installed in slot 8 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | W6 | W7 | W8 |
|--------------+------------+------------+-------------------|
| » | NMI | Closed | Closed | N/A |
|---+----------+------------+------------+-------------------|
| | 2 | Open | Open | N/A |
|---+----------+------------+------------+-------------------|
| | 3 | Open | Closed | Pins 1 & 2 closed |
|---+----------+------------+------------+-------------------|
| | 5 | Open | Closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MONITOR TYPE SELECTION |
|------------------------------------------------------------|
| Type | W2 | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|---------------+------------+-------+-------+-------+-------|
| Enhanced 80 x | Pins 2 & 3 | Off | On | On | Off |
| 25 | closed | | | | |
|---------------+------------+-------+-------+-------+-------|
| Enhanced | Pins 2 & 3 | On | On | On | Off |
| color 80 x 25 | closed | | | | |
|---------------+------------+-------+-------+-------+-------|
| Color 80 x 25 | Pins 1 & 2 | Off | Off | Off | On |
| | closed | | | | |
|---------------+------------+-------+-------+-------+-------|
| Color 40 x 24 | Pins 1 & 2 | On | Off | Off | On |
| | closed | | | | |
|---------------+------------+-------+-------+-------+-------|
| Monochrome | Pins 1 & 2 | Off | Off | On | Off |
| | closed | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DUAL MONITOR CONFIGURATION |
|------------------------------------------------------------|
| Primary | Secondary | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
| (Micro | | | | | |
| Enhanced) | | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Enhanced 80 | Monochrome | Off | On | On | Off |
| x 25 | | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Enhanced | Monochrome | On | On | On | Off |
| color 80 x | | | | | |
| 25 | | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Color 80 x | Monochrome | Off | Off | Off | On |
| 25 | | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Color 40 x | Monochrome | On | Off | Off | On |
| 24 | | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Monochrome | Color 80 x | Off | Off | On | Off |
| | 25 | | | | |
|--------------+-------------+-------+-------+-------+-------|
| Monochrome | Color 40 x | On | Off | On | Off |
| | 24 | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DUAL MONITOR CONFIGURATION |
|------------------------------------------------------------|
| Primary | Secondary | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
| | (Micro | | | | |
| | Enhanced) | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Monochrome | Enhanced 80 | Off | Off | On | On |
| | x 25 | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Monochrome | Enhanced | On | Off | On | On |
| | color 80 x | | | | |
| | 25 | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Monochrome | Color 80 x | Off | On | On | On |
| | 25 | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Monochrome | Color 40 x | On | On | On | On |
| | 24 | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Color 80 x | Monochrome | Off | On | Off | On |
| 25 | | | | | |
|-------------+--------------+-------+-------+-------+-------|
| Color 40 x | Monochrome | On | On | Off | On |
| 24 | | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED - DO NOT ALTER |
|------------------------------------------------------------|
| Jumper | Position |
|----------------------------+-------------------------------|
| W1 | Open |
|----------------------------+-------------------------------|
| W4 | Pins 1 & 2 closed |
+------------------------------------------------------------+