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# BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-1216VS/1220VS
Processor 80286
Processor Speed 16/20MHz
Chip Set VLSI
Max. Onboard DRAM 16MB
Cache None
BIOS AMI
Dimensions 220mm x 220mm
I/O Options None
NPU Options 80287
(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 |
|---------------------------------------+---------+----------|
| » | Battery type select internal | JP1 | Closed |
|---+-----------------------------------+---------+----------|
| | Battery type select external | JP1 | Open |
|---+-----------------------------------+---------+----------|
| » | Monitor type select monochrome | JP2 | Open |
|---+-----------------------------------+---------+----------|
| | Monitor type select color | JP2 | Closed |
|---+-----------------------------------+---------+----------|
| » | Chipset type select VLSI 82C311L | JP4 | Closed |
|---+-----------------------------------+---------+----------|
| | Chipset type select VLSI 82C310 | JP4 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | P-0 | Bank 1 | P-1 | Bank 2 | Bank |
| | | | | | | 3 |
|-------+--------+--------+--------+--------+--------+-------|
| 512KB | (4) | (2) | NONE | NONE | NONE | NONE |
| | 44256 | 41256 | | | | |
|-------+--------+--------+--------+--------+--------+-------|
| 512KB | NONE | NONE | NONE | NONE | (2) | NONE |
| | | | | | 256K x | |
| | | | | | 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 44256 | 41256 | 44256 | 41256 | | |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | NONE | NONE | NONE | NONE | (2) | (2) |
| | | | | | 256K x | 256K |
| | | | | | 9 | x 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | NONE | NONE | NONE | NONE | (2) 1M | NONE |
| | | | | | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 4MB | NONE | NONE | NONE | NONE | (2) 1M | (2) |
| | | | | | x 9 | 1M x |
| | | | | | | 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 8MB | NONE | NONE | NONE | NONE | (2) 4M | NONE |
| | | | | | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 16MB | NONE | NONE | NONE | NONE | (2) 4M | (2) |
| | | | | | x 9 | 4M x |
| | | | | | | 9 |
+------------------------------------------------------------+