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# CHICONY, INC.
CH-386S-16C/D
Processor 80386SX
Processor Speed 16MHz
Chip Set C & T
Max. onboard DRAM 8MB
Cache None
BIOS AMI/Phoenix
Dimensions 330mm x 218mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | JP5 | Reset switch | JP13 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | JP9 | Turbo switch | JP14 |
|---------------------+----------+----------------+----------|
| Speaker | JP10 | Turbo LED | JP15 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper/Switch | Position |
|-------------------------------+---------------+------------|
| » | Battery select onboard | JP4 | Closed |
|---+---------------------------+---------------+------------|
| | Battery select external | JP4 | Open |
|---+---------------------------+---------------+------------|
| » | CPU speed select iOSC/2 | JP16 | pins 2 & 3 |
| | | | closed |
|---+---------------------------+---------------+------------|
| | CPU speed select iOSC/1 | JP16 | pins 1 & 2 |
| | | | closed |
|---+---------------------------+---------------+------------|
| » | Monitor type select color | SW1/switch 1 | On |
|---+---------------------------+---------------+------------|
| | Monitor type select | SW1/switch 1 | Off |
| | monochrome | | |
|---+---------------------------+---------------+------------|
| » | DRAM memory operation | SW1/switch 2 | On |
| | select 100ms | & 3 | |
|---+---------------------------+---------------+------------|
| | DRAM memory operation | SW1/switch 2 | Off |
| | select 120ms | & 3 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | JP21 - |
| | | | | | JP26 |
|-------+---------+---------+---------+---------+------------|
| 512KB | (18) | NONE | NONE | NONE | pins 2 & 3 |
| | 41256 | | | | closed |
|-------+---------+---------+---------+---------+------------|
| 1MB | (18) | (18) | NONE | NONE | pins 2 & 3 |
| | 41256 | 41256 | | | closed |
|-------+---------+---------+---------+---------+------------|
| 1.5MB | (18) | (18) | (2) | NONE | pins 1 & 2 |
| | 41256 | 41256 | 256K x | | closed |
| | | | 9 | | |
|-------+---------+---------+---------+---------+------------|
| 2MB | (18) | (18) | (2) | (2) | pins 1 & 2 |
| | 41256 | 41256 | 256K x | 256K x | closed |
| | | | 9 | 9 | |
|-------+---------+---------+---------+---------+------------|
| 2MB | (18) | NONE | NONE | NONE | pins 2 & 3 |
| | 411000 | | | | closed |
|-------+---------+---------+---------+---------+------------|
| 2.5MB | (18) | (18) | (2) | NONE | pins 1 & 2 |
| | 41256 | 41256 | 256K x | | closed |
| | | | 9 | | |
|-------+---------+---------+---------+---------+------------|
| 3MB | (18) | (18) | (2) | (2) | pins 1 & 2 |
| | 41256 | 41256 | 256K x | 256K x | closed |
| | | | 9 | 9 | |
|-------+---------+---------+---------+---------+------------|
| 4MB | (18) | (18) | NONE | NONE | pins 2 & 3 |
| | 411000 | 411000 | | | closed |
|-------+---------+---------+---------+---------+------------|
| 5MB | (18) | (18) | (2) | NONE | pins 1 & 2 |
| | 411000 | 411000 | 256K x | | closed |
| | | | 9 | | |
|-------+---------+---------+---------+---------+------------|
| 6MB | (18) | (18) | (2) | (2) | pins 1 & 2 |
| | 411000 | 411000 | 256K x | 256K x | closed |
| | | | 9 | 9 | |
|-------+---------+---------+---------+---------+------------|
| 6MB | (18) | (18) | (2) 1M | NONE | pins 1 & 2 |
| | 411000 | 411000 | x 9 | | closed |
|-------+---------+---------+---------+---------+------------|
| 8MB | (18) | (18) | (2) 1M | (2) 1M | pins 1 & 2 |
| | 411000 | 411000 | x 9 | x 9 | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TURBO CONFIGURATION |
|------------------------------------------------------------|
| Mode | JP1 | JP2 | JP3 | JP12 |
|------------------------+--------+--------+--------+--------|
| Phoenix & AMI BIOS | Open | Closed | Open | N/A |
| 8742 turbo pin 32 | | | | |
|------------------------+--------+--------+--------+--------|
| Phoenix & AMI BIOS | Closed | Open | Open | N/A |
| 8742 turbo pin 27 | | | | |
|------------------------+--------+--------+--------+--------|
| Phoenix & AMI BIOS | Closed | Closed | Closed | N/A |
| 8742 turbo pin 23 | | | | |
|------------------------+--------+--------+--------+--------|
| Active high for AMI | Closed | Closed | Open | pins 1 |
| BIOS | | | | & 2 |
|------------------------+--------+--------+--------+--------|
| Active low for Phoenix | Closed | Closed | Open | pins 2 |
| BIOS | | | | & 3 |
+------------------------------------------------------------+