TEXT View Source
# UNIDENTIFIED
C386SX
Device Type Mainboard
Processor 80386SX
Processor Speed 16/20MHz
Chip Set C & T
Maximum Onboard Memory 8MB
Cache None
BIOS Phoenix
Dimensions 330mm x 216mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Reset switch | P2 | Turbo LED | P5 |
|-------------------+----------+------------------+----------|
| Power LED & | P3 | External battery | P6 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | P4 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | BIOS type select 27256 | JP1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | BIOS type select 27512 | JP1 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP2 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP2 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Monitor type select color | JP3 | Closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select monochrome | JP3 | Open |
|---+-----------------------------------+-------+------------|
| » | Power good signal detect from | JP4 | Pins 2 & 3 |
| | board | | closed |
|---+-----------------------------------+-------+------------|
| | Power good signal detect from | JP4 | Pins 1 & 2 |
| | power supply | | closed |
|---+-----------------------------------+-------+------------|
| » | Parity check enabled | JP5 | Closed |
|---+-----------------------------------+-------+------------|
| | Parity check disabled | JP5 | Open |
|---+-----------------------------------+-------+------------|
| » | Battery type select 6v | JP6 | Open |
|---+-----------------------------------+-------+------------|
| | Battery type select 3.6v/4.5v | JP6 | 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 | | |
|-------+-------------+------------+------------+------------|
| 1.5MB | (2) 256K x | (2) 256K x | (2) 256K x | None |
| | 9 | 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 |
|-------+-------------+------------+------------+------------|
| 3MB | (2) 1M x 9 | (2) 256K x | (2) 256K x | None |
| | | 9 | 9 | |
|-------+-------------+------------+------------+------------|
| 3.5MB | (2) 1M x 9 | (2) 256K x | (2) 256K x | (2) 256K x |
| | | 9 | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 | None | None |
|-------+-------------+------------+------------+------------|
| 4.5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x | None |
| | | | 9 | |
|-------+-------------+------------+------------+------------|
| 5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x | (2) 256K x |
| | | | 9 | 9 |
|-------+-------------+------------+------------+------------|
| 6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | None |
|-------+-------------+------------+------------+------------|
| 6.5MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 256K x |
| | | | | 9 |
|-------+-------------+------------+------------+------------|
| 8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
|------------------------------------------------------------|
| Note: The location of banks 0, 1, 2 & 3 are unidentified. |
+------------------------------------------------------------+