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# EVEREX SYSTEMS, INC.
TEMPO 486/25 SX EV-18186
Processor CX486SLC
Processor 25MHz
Speed
Chip Set C & T
Max. onboard 24MB
DRAM
SRAM Cache 16/64KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interface, parallel
port, serial ports (2)
NPU Options 4167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Parallel port | CN1 | Speaker | CN5 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port | CN2 | LED connector | CN6 |
| (COM1) | | | |
|-------------------+----------+------------------+----------|
| Serial port | CN3 | IDE interface | CN7 |
| (COM2) | | | |
|-------------------+----------+------------------+----------|
| IDE interface LED | CN4 | Floppy drive | CN8 |
| | | interface | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------+--------+-------------------|
| » | I/O output select | W5 | Closed |
| | unidirectional (printer) | | |
|---+---------------------------+--------+-------------------|
| | I/O output select | W5 | Open |
| | bidirectional | | |
|---+---------------------------+--------+-------------------|
| » | IDE interface enabled | W6 | Closed |
|---+---------------------------+--------+-------------------|
| | IDE interface disabled | W6 | Open |
|---+---------------------------+--------+-------------------|
| » | Normal setup | W7 | Closed |
|---+---------------------------+--------+-------------------|
| | Bypass setup | W7 | Open |
|---+---------------------------+--------+-------------------|
| » | Monitor select color | W8 | Open |
|---+---------------------------+--------+-------------------|
| | Monitor select monochrome | W8 | Closed |
|---+---------------------------+--------+-------------------|
| » | I/O bus speed select | W9 | pins 1 & 2 closed |
| | ATCLK/4 | | |
|---+---------------------------+--------+-------------------|
| | I/O bus speed select | W9 | pins 2 & 3 closed |
| | ATCLK/2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 512KB | (2) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 | NONE |
|------------+---------------+---------------+---------------|
| 2MB | (2) 1M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE |
|------------+---------------+---------------+---------------|
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
|------------+---------------+---------------+---------------|
| 8MB | (2) 4M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (2) 4M x 9 | (2) 4M x 9 | NONE |
|------------+---------------+---------------+---------------|
| 24MB | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | CACHE |
|----------------------------+-------------------------------|
| 16KB | (4) 8K x 8 |
|----------------------------+-------------------------------|
| 64KB | (4) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W1 | W2 | W3 | W4 |
|------+--------+--------+-----------------+-----------------|
| 16KB | Open | Open | pins 2 & 3 | pins 2 & 3 |
| | | | closed | closed |
|------+--------+--------+-----------------+-----------------|
| 64KB | Closed | Closed | pins 1 & 2 | pins 1 & 2 |
| | | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | IRQ | SW1/5 & | SW1/7 & | SW2/9 & | SW2/11 & 12 |
| | | 6 | 8 | 10 | |
|----------+-----+---------+---------+---------+-------------|
| 1 | 7 | Open | Closed | Closed | Open |
|----------+-----+---------+---------+---------+-------------|
| 2 | 5 | Closed | Open | Open | Closed |
|----------+-----+---------+---------+---------+-------------|
| Disabled | N/A | Open | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 | Port 2 | SW1/pins 1 & 2 | SW1/pins 3 & 4 |
|-------------+------------+----------------+----------------|
| COM1 | COM2 | Closed | Closed |
|-------------+------------+----------------+----------------|
| COM1 | Disabled | Open | Closed |
|-------------+------------+----------------+----------------|
| Disabled | COM2 | Closed | Open |
|-------------+------------+----------------+----------------|
| Disabled | Disabled | Open | Open |
+------------------------------------------------------------+