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# SEANIX TECHNOLOGY, INC.
3486-VLB
Processor 80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2
Processor 20/25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set EFAR
Max. Onboard 32MB
DRAM
Cache 32/64/128/256KB
BIOS AMI
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (2)
NPU Options 80387DX
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | JP2 | Turbo LED | JP36 |
|-------------------+----------+------------------+----------|
| Power LED & | JP27 | Turbo switch | JP39 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | JP29 | 32-bit VESA | SL1 & |
| | | local bus slots | SL2 |
|-------------------+----------+------------------+----------|
| Reset switch | JP35 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal | JP1 | pins 1 & 2 |
| | operation/internal battery | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear/external | JP1 | pins 2 & 3 |
| | battery | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP3 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP20 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP40 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP41 | pins 2 & 3 |
| | alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 32KB | (4) 8K x 8 | NONE | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 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 | JP13 | JP14 | JP15 | JP16 | JP21 | JP22 | JP23 |
|-------+-------+-------+-------+-------+------+------+------|
| 32KB | Open | Open | 2 & 3 | Open |1 & 2 |2 & 3 |2 & 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 64KB | Open | Open | 2 & 3 |Closed |1 & 2 |1 & 2 |1 & 2 |
|-------+-------+-------+-------+-------+------+------+------|
| 128KB |Closed | Open | 1 & 2 |Closed |2 & 3 |1 & 2 |2 & 3 |
|-------+-------+-------+-------+-------+------+------+------|
| 256KB |Closed |Closed | 1 & 2 |Closed |1 & 2 |1 & 2 |1 & 2 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP4 | JP7 | JP8 | JP9 |JP12 |JP17 | JP18 | JP19 |
|--------+------+------+-----+-----+-----+-----+------+------|
|80386SX |1 & 2 |1 & 2 |1 & 2|1 & 2|Open |Open | Open |Closed|
|--------+------+------+-----+-----+-----+-----+------+------|
|CX486DLC|2 & 3 |1 & 2 |2 & 3|1 & 2|Open |Open | Open |Closed|
|--------+------+------+-----+-----+-----+-----+------+------|
|80486SX |2 & 3 |2 & 3 |1 & 2|2 & 3|Open |2 & 3| Open | Open |
|--------+------+------+-----+-----+-----+-----+------+------|
|80487SX |2 & 3 |2 & 3 |1 & 2|2 & 3|1 & 2|1 & 2|Closed| Open |
|--------+------+------+-----+-----+-----+-----+------+------|
|80486DX |2 & 3 |2 & 3 |1 & 2|2 & 3|2 & 3|1 & 2|Closed| Open |
|--------+------+------+-----+-----+-----+-----+------+------|
|80486DX2|2 & 3 |2 & 3 |1 & 2|2 & 3|2 & 3|1 & 2|Closed| Open |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP25 | JP26 | JP28 | JP31 | JP32 | JP37 | JP38 |
|---------+-------+-------+------+------+------+------+------|
| 80386SX | 1 & 2 | 1 & 2 |1 & 2 |1 & 2 |2 & 3 | Open | Open |
|---------+-------+-------+------+------+------+------+------|
|CX486DLC | 1 & 2 | 1 & 2 |1 & 2 |1 & 2 |2 & 3 | Open | Open |
|---------+-------+-------+------+------+------+------+------|
| 80486SX | 2 & 3 | 2 & 3 |2 & 3 |2 & 3 |1 & 2 |Closed|Closed|
|---------+-------+-------+------+------+------+------+------|
| 80487SX | 2 & 3 | 2 & 3 |2 & 3 |2 & 3 |1 & 2 |Closed|Closed|
|---------+-------+-------+------+------+------+------+------|
| 80486DX | 2 & 3 | 2 & 3 |2 & 3 |2 & 3 |1 & 2 |Closed|Closed|
|---------+-------+-------+------+------+------+------+------|
|80486DX2 | 2 & 3 | 2 & 3 |2 & 3 |2 & 3 |1 & 2 |Closed|Closed|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA ID BUS CONFIGURATION |
|------------------------------------------------------------|
| ID | JP34 |
|----------------------------+-------------------------------|
| ID2 = 0 | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| ID2 = 1 | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA ID BUS CONFIGURATION |
|------------------------------------------------------------|
| ID | JP33 |
|----------------------------+-------------------------------|
| ID3 = 0 | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| ID3 = 1 | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA ID BUS CONFIGURATION |
|------------------------------------------------------------|
| ID | JP30 |
|----------------------------+-------------------------------|
| ID4 = 0 | pins 2 & 3 closed |
|----------------------------+-------------------------------|
| ID4 = 1 | pins 1 & 2 closed |
+------------------------------------------------------------+