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# AMERICAN DIGICOM CORPORATION
P9-H
Processor 80386SX
Processor Speed 16/20/25MHz
Chip Set OPTI
Max. Onboard DRAM 16MB
Cache None
BIOS AMI
Dimensions 230mm x 220mm
I/O Options None
NPU Options 80387SX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------------+----------+----------------+----------|
| External battery | J2 | Reset switch | J14 |
|---------------------+----------+----------------+----------|
| Speaker | J12 | Turbo switch | J15 |
|---------------------+----------+----------------+----------|
| Power LED & keylock | J13 | Turbo LED | J16 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | J1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | J1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | J5 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | J5 | Open |
|---+----------------------------------+--------+------------|
| » | NPU mode select synchronous with | J17 | Open |
| | CPU | | |
|---+----------------------------------+--------+------------|
| | NPU mode select asynchronous | J17 | Closed |
| | with CPU | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | P-0 | Bank 1 | P-1 | Bank 2 | Bank |
| | | | | | | 3 |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 44256 | 41256 | 44256 | 41256 | | |
|-------+--------+--------+--------+--------+--------+-------|
| 1MB | NONE | NONE | NONE | NONE | (2) | (2) |
| | | | | | 256K x | 256K |
| | | | | | 9 | x 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | (4) | (2) | NONE | NONE | NONE | NONE |
| | 441000 | 411000 | | | | |
|-------+--------+--------+--------+--------+--------+-------|
| 2MB | NONE | NONE | NONE | NONE | (2) 1M | NONE |
| | | | | | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 3MB | (4) | (2) | (4) | (2) | (2) 1M | NONE |
| | 44256 | 41256 | 44256 | 41256 | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 4MB | (4) | (2) | (4) | (2) | NONE | NONE |
| | 441000 | 411000 | 441000 | 411000 | | |
|-------+--------+--------+--------+--------+--------+-------|
| 4MB | NONE | NONE | NONE | NONE | (2) 1M | (2) |
| | | | | | x 9 | 1M x |
| | | | | | | 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 5MB | (4) | (2) | (4) | (2) | (2) 1M | (2) |
| | 44256 | 41256 | 44256 | 41256 | x 9 | 1M x |
| | | | | | | 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 6MB | (4) | (2) | (4) | (2) | (2) 1M | NONE |
| | 441000 | 411000 | 441000 | 411000 | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 8MB | (4) | (2) | (4) | (2) | (2) 1M | (2) |
| | 441000 | 411000 | 441000 | 411000 | x 9 | 1M x |
| | | | | | | 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 9MB | (4) | (2) | (4) | (2) | (2) 4M | NONE |
| | 44256 | 41256 | 44256 | 41256 | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 10MB | NONE | NONE | NONE | NONE | (2) 1M | (2) |
| | | | | | x 9 | 4M x |
| | | | | | | 9 |
|-------+--------+--------+--------+--------+--------+-------|
| 12MB | (4) | (2) | (4) | (2) | (2) 4M | NONE |
| | 441000 | 411000 | 441000 | 411000 | x 9 | |
|-------+--------+--------+--------+--------+--------+-------|
| 16MB | NONE | NONE | NONE | NONE | (2) 4M | (2) |
| | | | | | x 9 | 4M x |
| | | | | | | 9 |
|------------------------------------------------------------|
| Notes:Banks 2 & 3 are considered Banks 0 & 1, |
| respectively, when filled without utilizing DIP. |
| |
| However, they will be referred to throughout the text as |
| Banks 2 & 3 to avoid confusion. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | J6 | J7 | J8 | J9 | J10 | J11 |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 1MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 2MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 3MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 4MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 5MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 6MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 8MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 9MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 10MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|--------+--------+--------+--------+--------+-------+-------|
| 12MB | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 |
|--------+--------+--------+--------+--------+-------+-------|
| 16MB | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+