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# BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-1325VT/MB-1333VT
Processor 80386DX
Processor Speed 25/33MHz
Chip Set VLSI
Max. Onboard DRAM 32MB
Cache None
BIOS AMI
Dimensions 330mm x 219mm
I/O Options None
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED & | J1 | Reset switch | J4 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | J2 | Turbo switch | J5 |
|-------------------+----------+------------------+----------|
| Turbo LED | J3 | External battery | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select color | JP1 | Closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select monochrome | JP1 | Open |
|---+--------------------------------+--------+--------------|
| » | NPU type select 80387 | JP8 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | NPU type select 3167 | JP8 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP9 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP9 | pins 3 & 4 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Pipeline mode enabled | JP14 | Closed |
|---+--------------------------------+--------+--------------|
| | Pipeline mode disabled | JP14 | Open |
|------------------------------------------------------------|
| Note:The locations of JP8 & JP9 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 17MB | (4) 256K x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| KEYBOARD CONTROLLER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP3 | JP4 | JP5 | JP6 |
|------------------------+--------+--------+--------+--------|
| controller set on pin | Closed | Open | Open | Open |
| 23 | | | | |
|------------------------+--------+--------+--------+--------|
| controller set on pin | Open | Closed | Open | Open |
| 24 | | | | |
|------------------------+--------+--------+--------+--------|
| controller set on pin | Open | Open | Closed | Open |
| 27 | | | | |
|------------------------+--------+--------+--------+--------|
| controller set on pin | Open | Open | Open | Closed |
| 32 | | | | |
+------------------------------------------------------------+