(TXT) View Source
# UNIDENTIFIED
386 MOTHERBOARD
Processor 80386SX
Processor 16/25MHz
Speed
Chip Set C & T
Max. Onboard 8MB
DRAM
Cache None
BIOS AMI
Dimensions 254mm x 218mm
I/O Options 32-bit external memory cards (2)
NPU Options 80287/80387SX/3167 (location of the 80287 is
unidentified)
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | CN1 | Reset switch | J19 |
|-------------------+----------+------------------+----------|
| Turbo switch | J16 | Turbo LED | J22 |
|-------------------+----------+------------------+----------|
| Power LED & | J17 | 32-bit system | SL1 & |
| keylock | | memory cards | SL2 |
|-------------------+----------+------------------+----------|
| Speaker | J18 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| ยป | Factory configured - do not | CN2 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| | 80287 not installed | JP1 | Open |
|---+----------------------------------+--------+------------|
| | 80287 installed | JP1 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select color | JP3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP3 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| NPU TYPE CONFIGURATION (80387/WEITEK ONLY) |
|------------------------------------------------------------|
| Setting | JP11 | JP12 |
|----------------------+------------------+------------------|
| NPU not installed | Open | Open |
|----------------------+------------------+------------------|
| NPU installed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| Note: The location of pin 1 is unidentified. |
+------------------------------------------------------------+