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# BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-1333PM-CH/MB-1340PM-CH
Processor 80386DX
Processor Speed 33/40MHz
Chip Set OPTI
Max. Onboard DRAM 32MB
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | J10 | Turbo LED | JP4 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | J23 | Reset switch | SW1 |
|---------------------+----------+----------------+----------|
| Speaker | J24 | Turbo switch | SW2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select monochrome | JP1 | open |
|---+--------------------------------+--------+--------------|
| | Monitor type select color | JP1 | closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operrations | JP2 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP2 | pins 1 & 2 |
| | | | 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 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Max | Cache | Location | TAG(U32 & |
| | cacheable | CACHE | | U33) |
|-------+------------+------------+-----------+--------------|
| 32KB | 8MB | (4) 8K x 8 | Bank 0 | (2) 16K x 4 |
|-------+------------+------------+-----------+--------------|
| 64KB | 16MB | (8) 8K x 8 | Banks 0 & | (2) 16K x 4 |
| | | | 1 | |
|-------+------------+------------+-----------+--------------|
| 128KB | 32MB | (4) 32K x | Bank 0 | (2) 16K x 4 |
| | | 8 | | |
|-------+------------+------------+-----------+--------------|
| 256KB | 64MB | (8) 32K x | Banks 0 & | (2) 16K x 4 |
| | | 8 | 1 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Jumper | 32KB | 64KB | 128KB | 256KB |
|--------+------------+------------+------------+------------|
| JP5 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| JP6 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| JP7 | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| JP8 | open | open | closed | closed |
|--------+------------+------------+------------+------------|
| JP9 | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed | closed |
|--------+------------+------------+------------+------------|
| JP10 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed | closed |
+------------------------------------------------------------+