(TXT) View Source
# UNIDENTIFIED
351 386DX/486DLC
Processor 80386DX/CX486DLC
Processor Speed 25/33/40MHz
Chip Set UMC
Max. Onboard DRAM 32MB
Cache 64/128/256KB
BIOS MR BIOS
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387DX/3167
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | JP1 | Turbo LED | JP12 |
|------------------+----------+-------------------+----------|
| Reset switch | JP9 | Speaker | JP14 |
|------------------+----------+-------------------+----------|
| Turbo switch | JP10 | Keylock & power | JP15 |
| | | LED | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| | Function | Jumper | Position |
|---+-------------------------------+-------------+----------|
| | Monitor type select color | JP13 | Closed |
|---+-------------------------------+-------------+----------|
| | Monitor type select | JP13 | Open |
| | monochrome | | |
|---+-------------------------------+-------------+----------|
| ยป | Coprocessor not installed | JP18 & JP19 | Open |
|---+-------------------------------+-------------+----------|
| | Coprocessor installed | JP18 & JP19 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 1 |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP4 | JP5 | JP6 | JP7 | JP8 |
|-------+------------+----------+----------+--------+--------|
| 64KB | pins 1 & 2 | pins 2 & | Open | Open | Open |
| | | 3 | | | |
|-------+------------+----------+----------+--------+--------|
| 128KB | pins 2 & 3 | pins 1 & | pins 1 & | Open | Closed |
| | | 2 | 2 | | |
|-------+------------+----------+----------+--------+--------|
| 256KB | pins 1 & 2 | pins 1 & | pins 2 & | Closed | Closed |
| | | 2 | 3 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------+-----------------------+-----------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------+-----------------------+-----------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------+-----------------------+-----------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------+-----------------------+-----------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+