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# UNIDENTIFIED
80386SX
Processor 80386SX
Processor Speed 16MHz
Chip Set Intel
Max. Onboard DRAM 8MB
Cache None
BIOS Phoenix
Dimensions 333mm x 220mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | JP2 | Turbo LED | JP8 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | JP6 | Turbo switch | JP9 |
|---------------------+----------+----------------+----------|
| Speaker | JP7 | Reset switch | JP10 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select monochrome | JP1 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Monitor type select color | JP1 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | Battery select internal | JP3 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | Battery select external | JP3 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| » | BIOS type select 27256 | JP11 | pins 2 & 3 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | BIOS type select 27512 | JP11 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 512KB | (2) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|-------+-------------+------------+------------+------------|
| 1MB | (2) 256K x | (2) 256K x | NONE | NONE |
| | 9 | 9 | | |
|-------+-------------+------------+------------+------------|
| 2MB | (2) 256K x | (2) 256K x | (2) 256K x | (2) 256K x |
| | 9 | 9 | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 2MB | (2) 1M x 9 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP4 | JP5 |
|--------------------------------------+----------+----------|
| 100ns fast page chips (1 page max.) | Closed | Open |
|--------------------------------------+----------+----------|
| 100ns fast page chips (4 pages max.) | Closed | Closed |
|--------------------------------------+----------+----------|
| 100ns all chips | Open | Closed |
|--------------------------------------+----------+----------|
| 100ns all chips | Open | Open |
+------------------------------------------------------------+