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# UNIDENTIFIED
80386SX P9
Processor 80386SX
Processor Speed 16MHz
Chip Set VLSI
Max. Onboard DRAM 4MB
Cache None
BIOS AMI/Award/Phoenix
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J11 | Power LED & | J33 |
| | | keylock | |
|------------------+----------+-------------------+----------|
| Speaker | J12 | Reset switch | J34 |
|------------------+----------+-------------------+----------|
| Turbo LED | J32 | Turbo switch | J35 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select monochrome | J10 | Open |
|---+----------------------------------+--------+------------|
| | Monitor type select color | J10 | Closed |
|---+----------------------------------+--------+------------|
| » | Parity check enabled | J27 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parity check disabled | J27 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Shadow RAM enabled | J28 | Open |
|---+----------------------------------+--------+------------|
| | Shadow RAM disabled | J28 | Closed |
|---+----------------------------------+--------+------------|
| | DRAM speed select 0 wait states | J29 | Closed |
|---+----------------------------------+--------+------------|
| | DRAM speed select 1 wait state | J29 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J30 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J31 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Battery type select internal | J40 | Closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | J40 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | P-0 | Bank 1 | P-1 |
|-------+-------------+------------+------------+------------|
| 512KB | (16) 41256 | (2) 41256 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 1MB | (16) 41256 | (2) 41256 | (16) 41256 | (2) 41256 |
|-------+-------------+------------+------------+------------|
| 2MB | (16) 411000 | (2) 411000 | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 4MB | (16) 411000 | (2) 411000 | (16) | (2) 411000 |
| | | | 411000 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | J7 | J8 | J9 |
|--------------+---------------+--------------+--------------|
| 512KB | Open | Closed | Closed |
|--------------+---------------+--------------+--------------|
| 1MB | Closed | Open | Closed |
|--------------+---------------+--------------+--------------|
| 2MB | Open | Closed | Open |
|--------------+---------------+--------------+--------------|
| 4MB | Closed | Open | Open |
+------------------------------------------------------------+