TEXT View Source
# JAMECO ELECTRONIC COMPONENTS
JE3525DN
Processor 80386DX
Processor Speed 25MHz
Chip Set C & T
Max. Onboard DRAM 8MB
Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit external memory card slot
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+----------+-----------------------+----------|
| Turbo LED | J16 | Power LED & keylock | J20 |
|--------------+----------+-----------------------+----------|
| Turbo switch | J17 | External battery | J21 |
|--------------+----------+-----------------------+----------|
| Reset switch | J18 | 32-bit external | S1 |
| | | memory card | |
|--------------+----------+-----------------------+----------|
| Speaker | J19 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | NPU select 3167 or none | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | NPU select 80387 | JP1 | pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CPU speed select 25MHz | JP4 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CPU speed select 16MHz | JP4 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP5 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP5 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Power supply select internal | JP7 | pins 1 & 2 |
| | (200 watts) | | closed |
|---+----------------------------------+--------+------------|
| | Power supply select external | JP7 | pins 2 & 3 |
| | (150 watts) | | 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 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| EXTERNAL MEMORY CARD CONFIGURATION |
|------------------------------------------------------------|
| Size | JP2 | JP3 |
|------------------+--------------------+--------------------|
| Disabled | pins 2 & 3 closed | pins 4 & 5 closed |
|------------------+--------------------+--------------------|
| Enabled | pins 1 & 2 closed | pins 5 & 6 closed |
+------------------------------------------------------------+