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# SEANIX TECHNOLOGY, INC.
486VLP3 (VER. 1.1)
Processor 80486SX/80486DX/80486DX2/80486DX4/Pentium Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Contaq
Max. 64MB
Onboard
DRAM
Cache 128/256KB
BIOS Award
Dimensions 254mm x 218mm
I/O 32-bit VESA local bus slots (3)
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Speaker | P3 | Reset switch | P7 |
|---------------+----------+----------------------+----------|
| Power LED & | P4 | External battery | P8 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Turbo switch | P5 | 32-bit VESA local | SL1 - |
| | | bus slots | SL3 |
|---------------+----------+----------------------+----------|
| Turbo LED | P6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|---------------------------------------+---------+----------|
| » | Factory configured - do not alter | JP5 | Open |
|---+-----------------------------------+---------+----------|
| » | Factory configured - do not alter | JP20 | N/A |
|---+-----------------------------------+---------+----------|
| » | Factory configured - do not alter | P1 | N/A |
|------------------------------------------------------------|
| Note: The location of JP20 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (1) 256K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 2MB | (1) 512K x 36 | NONE |
|------------------+--------------------+--------------------|
| 3MB | (1) 512K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (1) 512K x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (1) 1M x 36 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (1) 256K x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 5MB | (1) 1M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (1) 512K x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 9MB | (1) 2M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (1) 2M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (1) 512K x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 4M x 36 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (1) 4M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 17MB | (1) 256K x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (1) 512K x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (1) 8M x 36 | NONE |
|------------------+--------------------+--------------------|
| 40MB | (1) 8M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (1) 2M x 36 | (1) 8M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP41 |
|----------------------------------------+-------------------|
| Bank 0 & Bank 1 single side SIMM | pins 1 & 2 closed |
|----------------------------------------+-------------------|
| Bank 0 double side SIMM & Bank 1 | pins 2 & 3 closed |
| single side SIMM | |
|----------------------------------------+-------------------|
| Bank 0 & Bank 1 double side SIMM | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 |
|----------------------------+-------------------------------|
| 128KB | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 256KB | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP19 | JP28 | R51 | R52 | R82 | R89 |
|----------+------+------+--------+--------+--------+--------|
| 80486SX | 1 & | 1 & | Closed | Closed | Closed | Closed |
| (PQFP) | 2 | 2, 3 | | | | |
| | | & 4 | | | | |
|----------+------+------+--------+--------+--------+--------|
| 80486SX | 1 & | 1 & | Closed | Closed | Closed | Closed |
| (PGA) | 2 | 2, 3 | | | | |
| | | & 4 | | | | |
|----------+------+------+--------+--------+--------+--------|
| 80486DX | 1 & | 1 & | Closed | Closed | Closed | Closed |
| | 2 | 2, 3 | | | | |
| | | & 4 | | | | |
|----------+------+------+--------+--------+--------+--------|
| 80486DX2 | 1 & | 1 & | Closed | Closed | Closed | Closed |
| | 2 | 2, 3 | | | | |
| | | & 4 | | | | |
|----------+------+------+--------+--------+--------+--------|
| 80486DX4 | 1 & | 1 & | Open | Open | Open | Open |
| | 2 | 2, 3 | | | | |
| | | & 4 | | | | |
|----------+------+------+--------+--------+--------+--------|
| P24T | 1 & | 1 & | Closed | Closed | Closed | Closed |
| | 2 | 2, 3 | | | | |
| | | & 4 | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
| The locations of R51 & R52 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP30 | JP37 | JP38 | JP40 |
|---------+--------+-------------------+------------+--------|
| 25MHz | Closed | pins 2 & 3 closed | Open | Closed |
|---------+--------+-------------------+------------+--------|
| 33MHz | Open | Open | pins 2 & 3 | Closed |
| | | | closed | |
|---------+--------+-------------------+------------+--------|
| 40MHz | Open | pins 2 & 3 closed | Open | Open |
|---------+--------+-------------------+------------+--------|
| 50iMHz | Closed | pins 2 & 3 closed | Open | Closed |
|---------+--------+-------------------+------------+--------|
| 50MHz | Open | Open | pins 2 & 3 | Open |
| | | | closed | |
|---------+--------+-------------------+------------+--------|
| 66iMHz | Open | Open | pins 2 & 3 | Closed |
| | | | closed | |
|---------+--------+-------------------+------------+--------|
| 75iMHz | Closed | pins 2 & 3 closed | Open | Closed |
|---------+--------+-------------------+------------+--------|
| 100iMHz | Open | Open | pins 2 & 3 | Closed |
| | | | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP12 |
|----------------------------+-------------------------------|
| 0 wait states | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 1 wait state | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP2 |
|-------------------------------+----------------------------|
| <= 33MHz | Open |
|-------------------------------+----------------------------|
| > 33MHz | Closed |
+------------------------------------------------------------+