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# SER
386-AD3
Processor 80386DX/CX486DLC
Processor Speed 33/40MHz
Chip Set ALI
Max. Onboard DRAM 32MB
Cache 32/128KB
BIOS AMI
Dimensions 220mm x 220mm
I/O Options None
NPU Options 80387DX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Power LED & | CN1 | Turbo LED | CN4 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | CN2 | Reset switch | CN5 |
|-------------------+----------+------------------+----------|
| Turbo switch | CN3 | External battery | J1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|---------------------------------------+---------+----------|
| » | Factory configured - do not alter | JP1 | Open |
|---+-----------------------------------+---------+----------|
| » | Factory configured - do not alter | JP2 | Open |
|---+-----------------------------------+---------+----------|
| » | Factory configured - do not alter | JP10 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 32KB | (4) 8K x 8 | (1) 8K x 8 |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | (1) 8K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP6 | JP8 | JP9 |
|-------+--------+-----------------------+-------------------|
| 32KB | Open | Open | pins 2 & 3 closed |
|-------+--------+-----------------------+-------------------|
| 128KB | Closed | pins 1 & 2, 3 & 4 | pins 1 & 2 closed |
| | | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP3 | JP7 |
|------------------+--------------------+--------------------|
| 80386DX | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| CX486DLC | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | J4 | J5 |
|-------------------+--------------------+-------------------|
| 33MHz | Open | Closed |
|-------------------+--------------------+-------------------|
| 40MHz | Closed | Open |
+------------------------------------------------------------+