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# BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB1333AEA-G/1340AEA-G/1333AEA-Q/1340AEA-Q
Processor 80386DX/CX486DLC
Processor Speed 33/40MHz
Chip Set Biostar
Max. Onboard DRAM 32MB
Cache 64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387DX/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+--------------+--------------+--------------|
| External | J3 | Reset switch | J4/pins 12 - |
| battery | | | 13 |
|---------------+--------------+--------------+--------------|
| Speaker | J4/pins 1 - | Turbo switch | J4/pins 14 - |
| | 4 | | 15 |
|---------------+--------------+--------------+--------------|
| Keylock & | J4/pins 5 - | 5 volt | J4/pins 17 - |
| power LED | 9 | ground | 18 |
|---------------+--------------+--------------+--------------|
| Turbo LED | J4/pins 10 - | | |
| | 11 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select color | JP1 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory clear | JP4 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory normal operation | JP4 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Cache Size | JP3 | JP5 |
|------------+---------------------------+-------------------|
| 64KB | Open | pins 1 & 2 closed |
|------------+---------------------------+-------------------|
| 128KB | pins 1 & 2 and 3 & 4 | pins 2 & 3 closed |
| | closed | |
|------------+---------------------------+-------------------|
| 256KB | Closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Cache Size | Bank 0 | Bank 1 | TAG |
|--------------+---------------+--------------+--------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|--------------+---------------+--------------+--------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|--------------+---------------+--------------+--------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+