(TXT) View Source
# DTK COMPUTER, INC.
NETT-2030
Processor 80486SX/80487SX/80486DX
Processor Speed 16/20/25/33MHz
Chip Set Symphony
Max. Onboard DRAM 32MB
Cache None
BIOS AMI/DTK
Dimensions 330mm x 218mm
I/O Options None
NPU Options None
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Turbo LED | J1 | Speaker | J4 |
|----------------+----------+---------------------+----------|
| Turbo switch | J2 | Power LED & keylock | J5 |
|----------------+----------+---------------------+----------|
| Reset switch | J3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| | Turbo switch select normal speed | J2 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Turbo switch select turbo speed | J2 | Open |
|---+----------------------------------+--------+------------|
| | Turbo switch select through | J2 | pins 2 & 3 |
| | keyboard by pressing CTRL, ALT, | | closed |
| | - | | |
|---+----------------------------------+--------+------------|
| ยป | Monitor type select monochrome | J10 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select color | J10 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 5MB | (4) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (4) 256K x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | J6 | J7 | J8 |
|----------+---------+-------------------+-------------------|
| 80486SX | Open | pins 2 & 3 closed | Open |
|----------+---------+-------------------+-------------------|
| 80487SX | Closed | pins 1 & 2 closed | pins 1 & 2 closed |
|----------+---------+-------------------+-------------------|
| 80486DX | Closed | pins 1 & 2 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | J9 |
|----------------------------+-------------------------------|
| 16MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 20MHz | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 25MHz | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 33MHz | pins 2 & 3 closed |
+------------------------------------------------------------+