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# MICRONICS COMPUTERS, INC.
80386SX-16
Processor 80386SX
Processor Speed 16MHz
Chip Set Intel
Max. Onboard DRAM 8MB
Cache None
BIOS AMI
Dimensions 331mm x 220mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J2 | Turbo switch | J5 |
|------------------+----------+-------------------+----------|
| Reset switch | J3 | Speaker | J6 |
|------------------+----------+-------------------+----------|
| Turbo LED | J4 | Power LED & | J7 |
| | | keylock | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | CPU speed select forced | J5 | Closed |
| | high | | |
|---+---------------------------+---------------+------------|
| | CPU speed select | J5 | Open |
| | switchable at keyboard | | |
|---+---------------------------+---------------+------------|
| » | Keyboard BIOS turbo mode | J8 | pins 1 & 4 |
| | output signal select pin | | closed |
| | 23 | | |
|---+---------------------------+---------------+------------|
| | Keyboard BIOS turbo mode | J8 | pins 2 & 5 |
| | output signal select pin | | closed |
| | 30 | | |
|---+---------------------------+---------------+------------|
| | Keyboard BIOS turbo mode | J8 | pins 3 & 6 |
| | output signal select pin | | closed |
| | 32 | | |
|---+---------------------------+---------------+------------|
| » | BIOS type select 27256 | SW1/1 | Open |
|---+---------------------------+---------------+------------|
| | BIOS type select 27512 | SW1/1 | Closed |
|---+---------------------------+---------------+------------|
| » | Monitor type select | SW1/2 | Open |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| | Monitor type select color | SW1/2 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 512KB | (18) 41256 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 512KB | NONE | NONE | (2) 256K x | NONE |
| | | | 9 | |
|-------+-------------+------------+------------+------------|
| 1MB | (18) 41256 | (18) 41256 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 1MB | NONE | NONE | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 1MB | (18) 41256 | NONE | NONE | (2) 256K x |
| | | | | 9 |
|-------+-------------+------------+------------+------------|
| 1MB | NONE | (18) 41256 | (2) 256K x | NONE |
| | | | 9 | |
|-------+-------------+------------+------------+------------|
| 1.5MB | (18) 41256 | (18) 41256 | (2) 256K x | NONE |
| | | | 9 | |
|-------+-------------+------------+------------+------------|
| 1.5MB | (18) 41256 | NONE | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 2MB | (18) 41256 | (18) 41256 | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 2MB | (18) 411000 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 2MB | NONE | NONE | (2) 1M x 9 | NONE |
|-------+-------------+------------+------------+------------|
| 4MB | (18) 411000 | (18) | NONE | NONE |
| | | 411000 | | |
|-------+-------------+------------+------------+------------|
| 4MB | NONE | NONE | (2) 1M x 9 | (2) 1M x 9 |
|-------+-------------+------------+------------+------------|
| 4MB | (18) 41000 | NONE | NONE | (2) 1M x 9 |
|-------+-------------+------------+------------+------------|
| 4MB | NONE | (18) | (2) 1M x 9 | NONE |
| | | 411000 | | |
|-------+-------------+------------+------------+------------|
| 6MB | (18) 411000 | (18) | (2) 1M x 9 | NONE |
| | | 411000 | | |
|-------+-------------+------------+------------+------------|
| 6MB | (18) 411000 | NONE | (2) 1M x 9 | (2) 1M x 9 |
|-------+-------------+------------+------------+------------|
| 8MB | (18) 411000 | (18) | (2) 1M x 9 | (2) 1M x 9 |
| | | 411000 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM MODE CONFIGURATION |
|------------------------------------------------------------|
| Mode | DRAM Type | DRAM | Max pages | SW1/3 | SW1/4 |
| | | speed | active | | |
|------+------------+--------+---------------+-------+-------|
| F1 | Fast Page | 100ns | 4 | Off | Off |
| | mode | | | | |
|------+------------+--------+---------------+-------+-------|
| F2 | Fast Page | 100ns | 1 | On | Off |
| | mode | | | | |
|------+------------+--------+---------------+-------+-------|
| W01 | Non-Page | 100ns | 4 | Off | On |
| | mode | | | | |
|------+------------+--------+---------------+-------+-------|
| W02 | Non-Page | 120ns | 4 | On | On |
| | mode | | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP2 | JP3 | JP4 | JP5 | JP6 |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | N/A | N/A | N/A | N/A | N/A | N/A |
|--------+--------+--------+--------+--------+-------+-------|
| 512KB | N/A | N/A | N/A | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | N/A | N/A | N/A | N/A | N/A | N/A |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | 1 & 2 | 1 & 2 | 1 & 2 | N/A | N/A | N/A |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | N/A | N/A | N/A | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 1.5MB | N/A | N/A | N/A | 1 & 2 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 1.5MB | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | N/A | N/A | N/A | N/A | N/A | N/A |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | N/A | N/A | N/A | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | N/A | N/A | N/A | N/A | N/A | N/A |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | 1 & 2 | 1 & 2 | 1 & 2 | N/A | N/A | N/A |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | N/A | N/A | N/A | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 6MB | N/A | N/A | N/A | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 6MB | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 8MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+