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# UNIDENTIFIED
386/25
Processor 80386DX
Processor Speed 25MHz
Chip Set OPTI
Max. Onboard DRAM 16MB
Cache None
BIOS AMI
Dimensions 331mm x 219mm
I/O Options None
NPU Options 80387/3167
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------+----------+--------------------+-------------|
| Reset switch | J12 | Speaker | J15 |
|--------------+----------+--------------------+-------------|
| Turbo switch | J13 | Power LED & | J16 |
| | | keylock | |
|--------------+----------+--------------------+-------------|
| Turbo LED | J14 | External battery | J1 pins 1 & |
| | | | 4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|-------------------------------------+---------+------------|
| » | Battery type select internal | J1 | pins 2 & 3 |
| | | | closed |
|---+---------------------------------+---------+------------|
| | Battery type select external | J1 | Closed |
|---+---------------------------------+---------+------------|
| » | Monitor type select monochrome | J3 | Open |
|---+---------------------------------+---------+------------|
| | Monitor type select color | J3 | Closed |
|---+---------------------------------+---------+------------|
| » | Factory configured - do not | J7 | N/A |
| | alter | | |
|---+---------------------------------+---------+------------|
| » | Factory configured - do not | J8 | N/A |
| | alter | | |
|---+---------------------------------+---------+------------|
| » | Factory configured - do not | J9 | N/A |
| | alter | | |
|------------------------------------------------------------|
| Note:Jumpers J7, J8, and J9 are used on a different |
| revision of this board to configure cache. |
| |
| They are not used on this board. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (4) 256K x | NONE | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (4) 256K x | (4) 256K x | NONE | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (4) 256K x | (4) 256K x | (4) 256K x | NONE |
| | 9 | 9 | 9 | |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 256K x | (4) 256K x | (4) 256K x | (4) 256K x |
| | 9 | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 4MB | (4) 1M x 9 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 256K x | (4) 1M x 9 | NONE | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 5MB | (4) 1M x 9 | (4) 256K x | NONE | NONE |
| | | 9 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | NONE |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (4) 256K x | (4) 1M x 9 | (4) 256K x | NONE |
| | 9 | | 9 | |
|------+-------------+-------------+------------+------------|
| 6MB | (4) 1M x 9 | (4) 256K x | (4) 256K x | NONE |
| | | 9 | 9 | |
|------+-------------+-------------+------------+------------|
| 7MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | (4) 256K x |
| | 9 | 9 | | 9 |
|------+-------------+-------------+------------+------------|
| 7MB | (4) 256K x | (4) 1M x 9 | (4) 256K x | (4) 256K x |
| | 9 | | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 7MB | (4) 1M x 9 | (4) 256K x | (4) 256K x | (4) 256K x |
| | | 9 | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 9MB | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | NONE |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 9MB | (4) 1M x 9 | (4) 256K x | (4) 1M x 9 | NONE |
| | | 9 | | |
|------+-------------+-------------+------------+------------|
| 9MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | NONE |
| | | | 9 | |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 |
| | 9 | 9 | | |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x |
| | 9 | | | 9 |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x | (4) 256K x |
| | | | 9 | 9 |
|------+-------------+-------------+------------+------------|
| 10MB | (4) 1M x 9 | (4) 256K x | (4) 1M x 9 | (4) 256K x |
| | | 9 | | 9 |
|------+-------------+-------------+------------+------------|
| 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE |
|------+-------------+-------------+------------+------------|
| 13MB | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
| | 9 | | | |
|------+-------------+-------------+------------+------------|
| 13MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 256K x |
| | | | | 9 |
|------+-------------+-------------+------------+------------|
| 13MB | (4) 1M x 9 | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 |
| | | 9 | | |
|------+-------------+-------------+------------+------------|
| 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
+------------------------------------------------------------+