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# SIIG ,INC.
SX386 16N/SX386 20N
Processor 80386SX
Processor Speed 16/20MHz
Chip Set C & T NEAT
Max. Onboard DRAM 8MB
SRAM Cache None
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | J1 | Reset switch | J4 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | J2 | Turbo switch | J5 |
|---------------------+----------+----------------+----------|
| Speaker | J3 | Turbo LED | J6 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Battery select internal | JP1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery select external | JP1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP3 | open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select Monochrome | JP4 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select color | JP4 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | NPU disabled | JP7 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | NPU enabled | JP7 | pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank | Bank | Bank | JP5,JP6,JP8 |
| | (SIPP) | 1(SIPP) | 2(DIP) | 3(DIP) | - JP17 |
|--------+---------+---------+--------+--------+-------------|
| 512KB | NONE | NONE | (18) | NONE | pins 1 & 2 |
| | | | 41256 | | closed |
|--------+---------+---------+--------+--------+-------------|
| 512KB | (2) | NONE | NONE | NONE | pins 2 & 3 |
| | 256K x | | | | closed |
| | 9 | | | | |
|--------+---------+---------+--------+--------+-------------|
| 640KB | NONE | NONE | (18) | (18) | pins 1 & 2 |
| | | | 41256 | 4164 | closed |
|--------+---------+---------+--------+--------+-------------|
| 1MB | NONE | NONE | (18) | (18) | pins 1 & 2 |
| | | | 41256 | 41256 | closed |
|--------+---------+---------+--------+--------+-------------|
| 1MB | (2) | (2) | NONE | NONE | pins 2 & 3 |
| | 256K x | 256K x | | | closed |
| | 9 | 9 | | | |
|--------+---------+---------+--------+--------+-------------|
| 1.5MB | (2) | NONE | (18) | (18) | pins 1 & 2 |
| | 256K x | | 41256 | 41256 | closed |
| | 9 | | | | |
|--------+---------+---------+--------+--------+-------------|
| 1.5MB | (2) | (2) | (18) | NONE | pins 2 & 3 |
| | 256K x | 256K x | 41256 | | closed |
| | 9 | 9 | | | |
|--------+---------+---------+--------+--------+-------------|
| 1.64MB | (2) | (2) | (18) | (18) | pins 1 & 2 |
| | 256K x | 256K x | 41256 | 4164 | closed |
| | 9 | 9 | | | |
|--------+---------+---------+--------+--------+-------------|
| 2MB | NONE | NONE | (18) | NONE | pins 1 & 2 |
| | | | 411000 | | closed |
|--------+---------+---------+--------+--------+-------------|
| 2MB | (2) | (2) | (18) | NONE | pins 2 & 3 |
| | 256K x | 256K x | 41256 | | closed |
| | 9 | 9 | | | |
|--------+---------+---------+--------+--------+-------------|
| 2MB | (2) 1M | NONE | NONE | (18) | pins 2 & 3 |
| | x 9 | | | 41256 | closed |
|--------+---------+---------+--------+--------+-------------|
| 3MB | (2) 1M | NONE | (18) | (18) | pins 1 & 2 |
| | x 9 | | 41256 | 41256 | closed |
|--------+---------+---------+--------+--------+-------------|
| 3MB | (2) | (2) | (18) | NONE | pins 2 & 3 |
| | 256K x | 256K x | 411000 | | closed |
| | 9 | 9 | | | |
|--------+---------+---------+--------+--------+-------------|
| 4MB | NONE | NONE | (18) | (18) | pins 1 & 2 |
| | | | 411000 | 411000 | closed |
|--------+---------+---------+--------+--------+-------------|
| 4MB | (2) 1M | (2) 1M | NONE | NONE | pins 2 & 3 |
| | x 9 | x 9 | | | closed |
|--------+---------+---------+--------+--------+-------------|
| 4.64MB | (2) 1M | (2) 1M | (18) | (18) | pins 1 & 2 |
| | x 9 | x 9 | 41256 | 4164 | closed |
|--------+---------+---------+--------+--------+-------------|
| 5MB | (2) 1M | (2) 1M | (18) | (18) | pins 1 & 2 |
| | x 9 | x 9 | 41256 | 41256 | closed |
|--------+---------+---------+--------+--------+-------------|
| 5MB | (2) | (2) | (18) | (18) | pins 2 & 3 |
| | 256K x | 256K x | 411000 | 411000 | closed |
| | 9 | 9 | | | |
|--------+---------+---------+--------+--------+-------------|
| 6MB | (2) 1M | (2) 1M | (18) | NONE | pins 2 & 3 |
| | x 9 | x 9 | 411000 | | closed |
|--------+---------+---------+--------+--------+-------------|
| 6MB | (2) 1M | NONE | (18) | (18) | pins 1 & 2 |
| | x 9 | | 411000 | 411000 | closed |
|--------+---------+---------+--------+--------+-------------|
| 8MB | (2) 1M | (2) 1M | (18) | (18) | pins 2 & 3 |
| | x 9 | x 9 | 411000 | 411000 | closed |
+------------------------------------------------------------+