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# EVEREX SYSTEMS, INC.
TEMPO 286/12,16 (EV-1824(C))
Processor 80286
Processor Speed 12/16MHz
Chip Set Unidentified
Max. Onboard DRAM 4MB
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options Parallel port, serial ports (2)
NPU Options 80287
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Serial port 1 | J30 | Speaker | J1 |
|---------------+----------+----------------------+----------|
| Serial port 2 | J31 | Front panel | J2 |
| | | connector | |
|---------------+----------+----------------------+----------|
| Parallel port | J32 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-----------------------------------+--------+---------------|
| » | Serial port 2 IRQ select IRQ3 | J79 | pins 1 & 2 |
| | | | closed |
|---+-------------------------------+--------+---------------|
| | Serial port 2 IRQ select IRQ4 | J79 | pins 3 & 4 |
| | | | closed |
|---+-------------------------------+--------+---------------|
| » | Serial port 1 IRQ select IRQ4 | J79 | pins 7 & 8 |
| | | | closed |
|---+-------------------------------+--------+---------------|
| | Serial port 1 IRQ select IRQ3 | J79 | pins 5 & 6 |
| | | | closed |
|---+-------------------------------+--------+---------------|
| » | Parallel port IRQ select IRQ7 | J79 | pins 11 & 12 |
| | | | closed |
|---+-------------------------------+--------+---------------|
| | Parallel port IRQ select IRQ5 | J79 | pins 9 & 10 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 512KB | (2) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 2MB | (2) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | W1 | W2 | W3 | W4 |
|-------+-------------+------------+------------+------------|
| 512KB | Open | pins 1 & 2 | Open | pins 1 & 2 |
| | | closed | | closed |
|-------+-------------+------------+------------+------------|
| 1MB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
|-------+-------------+------------+------------+------------|
| 2MB | Open | pins 1 & 2 | Open | pins 1 & 2 |
| | | closed | | closed |
|-------+-------------+------------+------------+------------|
| 4MB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HANDSHAKING CONFIGURATION (SOFTWARE) |
|------------------------------------------------------------|
| Type | W5 | W6 |
|------+----------------------------+------------------------|
| dcd | pins 1 & 2, 4 & 5, 7 & 8, | pins 1 & 2, 4 & 5, 7 & |
| | 9 & 10 closed | 8, 9 & 10 closed |
|------+----------------------------+------------------------|
| ri | pins 1 & 2, 4 & 5, 7 & 8, | pins 1 & 2, 4 & 5, 7 & |
| | 9 & 10 closed | 8, 9 & 10 closed |
|------+----------------------------+------------------------|
| cts | pins 1 & 2, 4 & 5, 7 & 8, | pins 1 & 2, 4 & 5, 7 & |
| | 9 & 10 closed | 8, 9 & 10 closed |
|------+----------------------------+------------------------|
| dsr | pins 1 & 2, 4 & 5, 7 & 8, | pins 1 & 2, 4 & 5, 7 & |
| | 9 & 10 closed | 8, 9 & 10 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| HANDSHAKING CONFIGURATION (FULL FORCE) |
|------------------------------------------------------------|
| Type | W5 | W6 |
|------+----------------------------+------------------------|
| dcd | pins 2 & 3, 5 & 6, 9 & 9, | pins 2 & 3, 5 & 6, 9 & |
| | 10 & 11 closed | 9, 10 & 11 closed |
|------+----------------------------+------------------------|
| ri | pins 2 & 3, 5 & 6, 9 & 9, | pins 2 & 3, 5 & 6, 9 & |
| | 10 & 11 closed | 9, 10 & 11 closed |
|------+----------------------------+------------------------|
| cts | pins 2 & 3, 5 & 6, 9 & 9, | pins 2 & 3, 5 & 6, 9 & |
| | 10 & 11 closed | 9, 10 & 11 closed |
|------+----------------------------+------------------------|
| dsr | pins 2 & 3, 5 & 6, 9 & 9, | pins 2 & 3, 5 & 6, 9 & |
| | 10 & 11 closed | 9, 10 & 11 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERFACE MODE CONFIGURATION |
|------------------------------------------------------------|
| Type | W7 | W8 |
|------+--------------------------+--------------------------|
| DTE | 1 & 2, 3 & 4, 5 & 6, 7 & | 1 & 2, 3 & 4, 5 & 6, 7 & |
| | 8, 9 & 10 , 11 & 12 | 8, 9 & 10 , 11 & 12 |
|------+--------------------------+--------------------------|
| DCE | 1 & 3, 2 & 4, 5 & 7, 6 & | 1 & 3, 2 & 4, 5 & 7, 6 & |
| | 8, 9 & 11, 10 & 12 | 8, 9 & 11, 10 & 12 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+