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# EVEREX SYSTEMS, INC.
EV-125
Card Type Multi I/O card
Chipset/Controller N/A
I/O Options Game port, parallel port, serial port (2).
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+--------------+---------------+-------------|
| Game port | J1 | Serial port B | J3 |
|---------------+--------------+---------------+-------------|
| Parallel port | J2 | Serial port A | J4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ORDER SELECTION |
|------------------------------------------------------------|
| Port Order | W5/1 & 2 |
|----------------------------+-------------------------------|
| AB | Jumpered vertically |
|----------------------------+-------------------------------|
| BA | Jumpered horizontally |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY SELECTION |
|------------------------------------------------------------|
| Memory | W3 | W1/6 |
|-----------------+--------------------------+---------------|
| 256KB | Pins 1 & 2, 4 & 5 closed | On |
|-----------------+--------------------------+---------------|
| 512KB | Pins 2 & 3, 4 & 5 closed | Off |
|-----------------+--------------------------+---------------|
| 640KB | Pins 2 & 3, 5 & 6 closed | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ADDED MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Memory | W1/1 | W1/2 | W1/3 | W1/4 | W1/5 |
|----------+---------+---------+---------+---------+---------|
| 512KB | On | On | Off | On | On |
|----------+---------+---------+---------+---------+---------|
| 1MB | On | Off | On | On | On |
|----------+---------+---------+---------+---------+---------|
| 1.5MB | On | On | Off | On | On |
|----------+---------+---------+---------+---------+---------|
| 2MB | Off | On | On | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXISTING MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Memory | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|------------+-----------+-----------+-----------+-----------|
| 0-1MB | On | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 1-2MB | On | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 2-3MB | On | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 3-4MB | On | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 4-5MB | On | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 5-6MB | On | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 6-7MB | On | Off | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 7-8MB | Off | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 8-9MB | Off | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 9-10MB | Off | On | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 10-11MB | Off | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 11-12MB | Off | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 12-13MB | Off | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 13-14MB | Off | Off | Off | On |
|------------+-----------+-----------+-----------+-----------|
| 14-15MB | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTENDED MEMORY FRACTION SELECTION |
|------------------------------------------------------------|
| Memory | SW1/5 | SW1/6 | SW1/7 |
|---------------+--------------+--------------+--------------|
| 0KB | On | On | On |
|---------------+--------------+--------------+--------------|
| 128KB | On | On | Off |
|---------------+--------------+--------------+--------------|
| 256KB | On | Off | On |
|---------------+--------------+--------------+--------------|
| 384KB | On | Off | Off |
|---------------+--------------+--------------+--------------|
| 512KB | Off | On | On |
|---------------+--------------+--------------+--------------|
| 640KB | Off | On | Off |
|---------------+--------------+--------------+--------------|
| 768KB | Off | Off | On |
|---------------+--------------+--------------+--------------|
| 996KB | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE MEMORY BACKFILL CONFIGURATION |
|------------------------------------------------------------|
| Status | SW1/8 |
|-------------------------------+----------------------------|
| Backfill | On |
|-------------------------------+----------------------------|
| No backfill | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED - DO NOT ALTER |
|------------------------------------------------------------|
| Jumper | Position |
|------------------------------+-----------------------------|
| W5/3, 4, 5, 6, 7, 8, & 9 | N/A |
|------------------------------+-----------------------------|
| W7 | Pins 1 & 2 closed |
|------------------------------+-----------------------------|
| W8 | Pins 2 & 3 closed |
|------------------------------+-----------------------------|
| W9 | Pins 1 & 2, 4 & 5 closed |
|------------------------------+-----------------------------|
| W10 | N/A |
|------------------------------+-----------------------------|
| W11 | All Pins closed |
|------------------------------+-----------------------------|
| W13 | All Pins closed |
|------------------------------+-----------------------------|
| W15 | Pins 2 & 3 closed |
|------------------------------+-----------------------------|
| W18 | Pins 1 & 2 closed |
|------------------------------+-----------------------------|
| W20/A | Open |
|------------------------------+-----------------------------|
| W20/B | Pins 2 & 3 closed |
|------------------------------+-----------------------------|
| W20/C | Pins 1 & 2 closed |
|------------------------------+-----------------------------|
| W20/D | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 512KB | (18) 4464 | None | None | None |
|--------+------------+------------+------------+------------|
| 1MB | (18) 4464 | (18) 4464 | None | None |
|--------+------------+------------+------------+------------|
| 1.5MB | (18) 4464 | (18) 4464 | (18) 4464 | None |
|--------+------------+------------+------------+------------|
| 2.0MB | (18) 4464 | (18) 4464 | (18) 4464 | (18) 4464 |
+------------------------------------------------------------+