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# EVEREX SYSTEMS, INC.
TEMPO MODULAR EV-8020
Processor 80386SX/80386DX/80486SX/80486DX
Processor 20MHz
Speed
Chip Set C & T
Max. onboard 32MB
DRAM
Cache 128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card, floppy drive
interface,
IDE interface, parallel port, serial ports (2)
NPU Options 4167
IMG IMG 1
IMG IMG 2
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Parallel port | CN1 | External battery | CN6 |
|---------------+----------+----------------------+----------|
| Serial port 1 | CN2 | VGA port | CN7 |
|---------------+----------+----------------------+----------|
| Serial port 2 | CN3 | Auxillary video port | CN8 |
|---------------+----------+----------------------+----------|
| IDE interface | CN4 | 32-bit external | S1 |
| | | memory card | |
|---------------+----------+----------------------+----------|
| Floppy drive | CN5 | | |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Max Cachable | Bank 0 | Bank 1 |
|------------+---------------+---------------+---------------|
| 128KB | 16MB | (4) 32K x 8 | NONE |
|------------+---------------+---------------+---------------|
| 256KB | 32MB | (4) 32K x 8 | (4) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | P1 |
|----------------------------+-------------------------------|
| 128KB | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 256KB | pins 2 & 3 closed |
+------------------------------------------------------------+
IMG IMG 3
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+--------------+------------+------------+------------|
| 1MB | (4) 256K x 9 | NONE | NONE | NONE |
|------+--------------+------------+------------+------------|
| 2MB | (4) 256K x 9 | (4) 256K x | NONE | NONE |
| | | 9 | | |
|------+--------------+------------+------------+------------|
| 3MB | (4) 256K x 9 | (4) 256K x | (4) 256K x | NONE |
| | | 9 | 9 | |
|------+--------------+------------+------------+------------|
| 4MB | (4) 256K x 9 | (4) 256K x | (4) 256K x | (4) 256K x |
| | | 9 | 9 | 9 |
|------+--------------+------------+------------+------------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|------+--------------+------------+------------+------------|
| 5MB | (4) 1M x 9 | (4) 256K x | NONE | NONE |
| | | 9 | | |
|------+--------------+------------+------------+------------|
| 6MB | (4) 1M x 9 | (4) 256K x | (4) 256K x | NONE |
| | | 9 | 9 | |
|------+--------------+------------+------------+------------|
| 7MB | (4) 1M x 9 | (4) 256K x | (4) 256K x | (4) 256K x |
| | | 9 | 9 | 9 |
|------+--------------+------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|------+--------------+------------+------------+------------|
| 9MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | NONE |
| | | | 9 | |
|------+--------------+------------+------------+------------|
| 10MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|------+--------------+------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
|------+--------------+------------+------------+------------|
| 13MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x |
| | | | | 9 |
|------+--------------+------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------+--------------+------------+------------+------------|
| 16MB | (4) 4M x 9 | NONE | NONE | NONE |
|------+--------------+------------+------------+------------|
| 17MB | (4) 4M x 9 | (4) 256K x | NONE | NONE |
| | | 9 | | |
|------+--------------+------------+------------+------------|
| 18MB | (4) 4M x 9 | (4) 256K x | (4) 256K x | NONE |
| | | 9 | 9 | |
|------+--------------+------------+------------+------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 | NONE | NONE |
|------+--------------+------------+------------+------------|
| 21MB | (4) 4M x 9 | (4) 1M x 9 | (4) 256K x | NONE |
| | | | 9 | |
|------+--------------+------------+------------+------------|
| 22MB | (4) 4M x 9 | (4) 1M x 9 | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|------+--------------+------------+------------+------------|
| 24MB | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
|------+--------------+------------+------------+------------|
| 25MB | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x |
| | | | | 9 |
|------+--------------+------------+------------+------------|
| 28MB | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
|------+--------------+------------+------------+------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE |
|------+--------------+------------+------------+------------|
| 33MB | (4) 4M x 9 | (4) 4M x 9 | (4) 256K x | NONE |
| | | | 9 | |
|------+--------------+------------+------------+------------|
| 34MB | (4) 4M x 9 | (4) 4M x 9 | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|------+--------------+------------+------------+------------|
| 36MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | NONE |
|------+--------------+------------+------------+------------|
| 37MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | (4) 256K x |
| | | | | 9 |
|------+--------------+------------+------------+------------|
| 40MB | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 |
|------+--------------+------------+------------+------------|
| 48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE |
|------+--------------+------------+------------+------------|
| 49MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 256K x |
| | | | | 9 |
|------+--------------+------------+------------+------------|
| 52MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 |
|------+--------------+------------+------------+------------|
| 64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| COM1 | J15/1 & 2 | J15/3 & 4 | J15/5 & 6 | J15/7 & 8 |
|-----------+------------+-----------+-----------+-----------|
| | IRQ3 | Open | Closed | Open | Open |
|---+-------+------------+-----------+-----------+-----------|
| » | IRQ4 | Open | Open | Closed | Open |
|---+-------+------------+-----------+-----------+-----------|
| | IRQ5 | Open | Open | Open | Closed |
|---+-------+------------+-----------+-----------+-----------|
| | IRQ9 | Closed | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| COM2 | J15/9 & 10 | J15/11 & | J15/13 & | J15/15 & |
| | | 12 | 14 | 16 |
|----------+------------+------------+-----------+-----------|
| » | IRQ3 | Open | Closed | Open | Open |
|---+------+------------+------------+-----------+-----------|
| | IRQ4 | Open | Open | Closed | Open |
|---+------+------------+------------+-----------+-----------|
| | IRQ5 | Open | Open | Open | Closed |
|---+------+------------+------------+-----------+-----------|
| | IRQ9 | Closed | Open | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT 2 | J12/pins 1 & 2 | J12/pins 3 & 4 | J12/pins 5 & |
| | | | 6 |
|----------+----------------+----------------+---------------|
| | IRQ5 | Open | Closed | Open |
|---+------+----------------+----------------+---------------|
| » | IRQ7 | Open | Open | Closed |
|---+------+----------------+----------------+---------------|
| | IRQ9 | Closed | Open | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP1 | JP2 | JP3 | JP4 |
|----------+-------------------+---------+---------+---------|
| 80486SX | pins 1 & 2 closed | Open | Open | Open |
|----------+-------------------+---------+---------+---------|
| 80487SX | pins 2 & 3 closed | Closed | Closed | Open |
|----------+-------------------+---------+---------+---------|
| 80486DX | pins 2 & 3 closed | Closed | Open | Closed |
+------------------------------------------------------------+