TEXT View Source
# SOFTSYS COMPUTER CENTERS, INC.
80386SX
Processor 80386SX
Processor Speed 8/16MHz
Chip Set C & T NEAT
Max. Onboard DRAM 8MB
SRAM Cache None
BIOS AMI
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Power LED & | J1 | Turbo LED | J5 |
| keylock | | | |
|------------------+----------+-------------------+----------|
| Speaker | J2 | External battery | J6 |
|------------------+----------+-------------------+----------|
| Turbo switch | J3 | Auxiliary | J7 |
| | | keyboard | |
|------------------+----------+-------------------+----------|
| Reset switch | J4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | NPU mode select synchronous with | JP4 | open |
| | CPU | | |
| | | JP6 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | NPU mode select asynchronous | JP4 | closed |
| | with CPU | | |
| | | JP6 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | NPU enabled | JP5 | closed |
|---+----------------------------------+--------+------------|
| | NPU disabled | JP5 | open |
|---+----------------------------------+--------+------------|
| » | BIOS ROM type select 27256 | JP7 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS ROM type select 27512 | JP7 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select monochrome | JP8 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select color | JP8 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | 8042 switch CPU speed select pin | JP9 | pins 1 & 2 |
| | 23 | | closed |
|---+----------------------------------+--------+------------|
| | 8042 switch CPU speed select pin | JP9 | pins 2 & 3 |
| | 30 | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank | Bank 1 | Bank 2 | Bank 3 |
| | 0(SIMM) | (SIMM) | (DIP) | (DIP) |
|------------+-------------+-----------+----------+----------|
| 512KB 1 | (2) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|------------+-------------+-----------+----------+----------|
| 512KB 2 | NONE | NONE | (18) | NONE |
| | | | 41256 | |
|------------+-------------+-----------+----------+----------|
| 1MB 1 | (2) 256K x | (2) 256K | NONE | NONE |
| | 9 | x 9 | | |
|------------+-------------+-----------+----------+----------|
| 1MB 2 | NONE | NONE | (18) | (18) |
| | | | 41256 | 41256 |
|------------+-------------+-----------+----------+----------|
| 1.5MB 1 | (2) 256K x | (2) 256K | (18) | NONE |
| | 9 | x 9 | 41256 | |
|------------+-------------+-----------+----------+----------|
| 1.5MB 2 | (2) 256K x | NONE | (18) | (18) |
| | 9 | | 41256 | 41256 |
|------------+-------------+-----------+----------+----------|
| 2MB 1 | (2) 256K x | (2) 256K | (18) | (18) |
| | 9 | x 9 | 41256 | 41256 |
|------------+-------------+-----------+----------+----------|
| 2MB 1 | (2) 1M x 9 | NONE | NONE | NONE |
|------------+-------------+-----------+----------+----------|
| 2MB 2 | NONE | NONE | (18) | (18) |
| | | | 411000 | 411000 |
|------------+-------------+-----------+----------+----------|
| 4MB 1 | (2) 1M x 9 | (2) 1M x | NONE | NONE |
| | | 9 | | |
|------------+-------------+-----------+----------+----------|
| 4MB 2 | (2) 1M x 9 | NONE | (18) | (18) |
| | | | 411000 | 411000 |
|------------+-------------+-----------+----------+----------|
| 5MB 1 | (2) 1M x 9 | (2) 1M x | (18) | (18) |
| | | 9 | 41256 | 41256 |
|------------+-------------+-----------+----------+----------|
| 5MB 1 | (2) 1M x 9 | (2) 1M x | (18) | NONE |
| | | 9 | 411000 | |
|------------+-------------+-----------+----------+----------|
| 5MB 2 | (2) 1M x 9 | (2) 1M x | (18) | (18) |
| | | 9 | 41256 | 41256 |
|------------+-------------+-----------+----------+----------|
| 6MB 1 | (2) 1M x 9 | (2) 1M x | (18) | (18) |
| | | 9 | 411000 | 411000 |
|------------+-------------+-----------+----------+----------|
| 6MB 2 | (2) 1M x 9 | (2) 1M x | (18) | (18) |
| | | 9 | 411000 | 411000 |
|------------+-------------+-----------+----------+----------|
| 8MB 1 | (2) 4M x 9 | (2) 4M x | NONE | NONE |
| | | 9 | | |
|------------------------------------------------------------|
| Note 1 :Jumpers JP1 and JP2 pins 1 & 2, 3 & 4, 5 & 6, 7 & |
| 8, 9 & 10,and 11 & 12 closed. |
|------------------------------------------------------------|
| Note 2 :Jumpers JP1 and JP2 pins 1 & 12, 2 & 11, 3 & 10, 4 |
| & 9, 5 & 8, and 6 & 7 closed. |
+------------------------------------------------------------+