TEXT View Source
# UNIDENTIFIED
TOPCAT 386/486DX
Processor 80386DX/80486DX
Processor Speed 25/33MHz
Chip Set Unidentified
Max. Onboard DRAM 64MB
Cache None
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387DX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| Speaker | JP31 | Reset switch | JP65 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | JP42 | Turbo switch | JP66 |
|---------------------+----------+----------------+----------|
| External battery | JP60 | Turbo LED | JP67 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Pipeline mode disabled | JP1 | Open |
|---+----------------------------------+--------+------------|
| | Pipeline mode enabled | JP1 | Closed |
|---+----------------------------------+--------+------------|
| » | Ready source type select NPX | jp2 | pins 1 & 2 |
| | ready | | closed |
|---+----------------------------------+--------+------------|
| | Ready source type select 330 | jp2 | pins 2 & 3 |
| | ready | | closed |
|---+----------------------------------+--------+------------|
| » | Clock speed control select | JP10 | pins 1 & 2 |
| | keyboard | | closed |
|---+----------------------------------+--------+------------|
| | Clock speed control select | JP10 | pins 2 & 3 |
| | external switch | | closed |
|---+----------------------------------+--------+------------|
| » | Parity check disabled | JP32 | Open |
|---+----------------------------------+--------+------------|
| | Parity check enabled | JP32 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP41 | Open |
|---+----------------------------------+--------+------------|
| | Monitor type select color | JP41 | Closed |
|---+----------------------------------+--------+------------|
| » | Battery type select internal | JP61 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | JP61 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Power good signal detect from | JP62 | pins 1 & 2 |
| | power supply | | closed |
|---+----------------------------------+--------+------------|
| | Power good signal detect from | JP62 | pins 2 & 3 |
| | board | | closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP68 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP68 | pins 3 & 4 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (4) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | NONE | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (4) 256K x | (4) 256K x | (4) 256K x | NONE |
| | 9 | 9 | 9 | |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 256K x | (4) 256K x | (4) 256K x | (4) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 256K x | (4) 1M x 9 | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | NONE |
| | 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) 256K x | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 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) 256K x | (4) 4M x 9 | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 18MB | (4) 256K x | (4) 256K x | (4) 4M x 9 | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 24MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 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) 256K x | (4) 256K x | (4) 4M x 9 | (4) 4M x 9 |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 36MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 40MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 |
|------+-------------+-------------+------------+------------|
| 48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP81 | JP83 | JP84 | JP85 | JP86 |
|----------+----------+----------+---------+--------+--------|
| 80386 | Open | 1 & 2 | 1 & 2 | 1 & 2 | Open |
|----------+----------+----------+---------+--------+--------|
| 80486 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BIOS CONFIGURATION |
|------------------------------------------------------------|
| Type | JP21 | JP22 |
|-------------------+--------------------+-------------------|
| 27128 | Open | Open |
|-------------------+--------------------+-------------------|
| 27256 | Open | Closed |
|-------------------+--------------------+-------------------|
| 27512 | Closed | Closed |
+------------------------------------------------------------+