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# YOUNG MICRO SYSTEMS, INC.
VS3486F-3VL
Processor 80386DX/CX486DLC/80486SX/80486DX/80486DX2/ODP586SX
Processor 25/33/40/50(internal)/66(internal)MHz
Speed
Chip Set Symphony
Max. 64MB
Onboard
DRAM
Cache 64/256/1024KB
BIOS AMI
Dimensions 230mm x 218mm
I/O Options 32-bit VESA local bus slots (3)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Speaker | CN1 | External battery | CN6 |
|---------------+----------+----------------------+----------|
| Turbo LED | CN2 | 32-bit VESA Local | S1 |
| | | bus slot | |
|---------------+----------+----------------------+----------|
| Turbo switch | CN3 | 32-bit VESA Local | S2 |
| | | bus slot | |
|---------------+----------+----------------------+----------|
| Reset switch | CN4 | 32-bit VESA Local | S3 |
| | | bus slot | |
|---------------+----------+----------------------+----------|
| Power LED & | CN5 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|---------------------------------------+---------+----------|
| » | Internal battery support enabled | J1 | Closed |
|---+-----------------------------------+---------+----------|
| | Internal battery support enabled | J1 | Open |
|---+-----------------------------------+---------+----------|
| » | Factory configured - do not alter | J2 | Unknown |
|---+-----------------------------------+---------+----------|
| » | Factory configured - do not alter | J3 | Unknown |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 64MB | (4) 16M x 9 | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP10 | JP11 | JP12 | JP15 | JP16 |
|--------+----------+----------+---------+---------+---------|
| 64KB | pins 1 & | pins 1 & | pins 1 | pins 1 | pins 1 |
| | 2 | 2 | & 2 | & 2 | & 2 |
|--------+----------+----------+---------+---------+---------|
| 256KB | pins 2 & | pins 2 & | pins 2 | pins 1 | pins 1 |
| | 3 | 3 | & 3 | & 2 | & 2 |
|--------+----------+----------+---------+---------+---------|
| 1024KB | pins 2 & | pins 2 & | pins 2 | pins 2 | pins 2 |
| | 3 | 3 | & 3 | & 3 | & 3 |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP4 | JP5 | JP6 |JP7 |JP8 |JP9 |JP13 |JP14 |
|------------+------+------+------+----+----+----+-----+-----|
| 80386DX/25 | Open |Closed| Open |1 & |2 & |1 & |1 & 2|2 & 3|
| | | | | 2 | 3 | 2 | | |
|------------+------+------+------+----+----+----+-----+-----|
| 80386DX/33 |Closed| Open | Open |1 & |2 & |1 & |1 & 2|2 & 3|
| | | | | 2 | 3 | 2 | | |
|------------+------+------+------+----+----+----+-----+-----|
| 80386DX/40 | Open | Open | Open |1 & |2 & |1 & |1 & 2|2 & 3|
| | | | | 2 | 3 | 2 | | |
|------------+------+------+------+----+----+----+-----+-----|
| 80486SX/25 | Open |Closed|Closed|2 & |1 & |2 & |2 & 3|1 & 2|
| | | | | 3 | 2 | 3 | | |
|------------+------+------+------+----+----+----+-----+-----|
| 80486SX/33 |Closed| Open |Closed|2 & |1 & |2 & |2 & 3|1 & 2|
| | | | | 3 | 2 | 3 | | |
|------------+------+------+------+----+----+----+-----+-----|
| 80486DX/25 | Open |Closed|Closed|2 & |1 & |2 & |2 & 3|1 & 2|
| | | | | 3 | 2 | 3 | | |
|------------+------+------+------+----+----+----+-----+-----|
| 80486DX/33 |Closed| Open |Closed|2 & |1 & |2 & |2 & 3|1 & 2|
| | | | | 3 | 2 | 3 | | |
|------------+------+------+------+----+----+----+-----+-----|
| 80486DX/50 | Open |Closed|Closed|2 & |1 & |2 & |2 & 3|1 & 2|
| | | | | 3 | 2 | 3 | | |
|------------+------+------+------+----+----+----+-----+-----|
|80486DX2/50i| Open |Closed|Closed|2 & |1 & |2 & |2 & 3|1 & 2|
| | | | | 3 | 2 | 3 | | |
|------------+------+------+------+----+----+----+-----+-----|
|80486DX2/66i|Closed| Open |Closed|2 & |1 & |2 & |2 & 3|1 & 2|
| | | | | 3 | 2 | 3 | | |
|------------------------------------------------------------|
|Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+-------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|-------------------------------------------------------------|
| Type |JP17| JP18 | JP19 | JP20 | JP21 |JP22|JP22A|JP23|
|------------+----+------+------+------+------+----+-----+----|
| 80386DX/25 |1 & |Closed|Closed|Closed| Open |1 & |2 & 3|2 & |
| | 2 | | | | | 2 | | 3 |
|------------+----+------+------+------+------+----+-----+----|
| 80386DX/33 |1 & |Closed|Closed|Closed| Open |1 & |2 & 3|2 & |
| | 2 | | | | | 2 | | 3 |
|------------+----+------+------+------+------+----+-----+----|
| 80386DX/40 |1 & | Open |Closed|Closed| Open |1 & |2 & 3|2 & |
| | 2 | | | | | 2 | | 3 |
|------------+----+------+------+------+------+----+-----+----|
| 80486SX/25 |2 & |Closed|Closed| Open |Closed|1 & |2 & 3|2 & |
| | 3 | | | | | 2 | | 3 |
|------------+----+------+------+------+------+----+-----+----|
| 80486SX/33 |2 & |Closed|Closed| Open |Closed|1 & |2 & 3|2 & |
| | 3 | | | | | 2 | | 3 |
|------------+----+------+------+------+------+----+-----+----|
| 80486DX/25 |2 & |Closed|Closed| Open |Closed|1 & |2 & 3|2 & |
| | 3 | | | | | 2 | | 3 |
|------------+----+------+------+------+------+----+-----+----|
| 80486DX/33 |2 & |Closed|Closed| Open |Closed|1 & |2 & 3|2 & |
| | 3 | | | | | 2 | | 3 |
|------------+----+------+------+------+------+----+-----+----|
| 80486DX/50 |2 & | Open |Closed| Open |Closed|2 & |1 & 2|1 & |
| | 3 | | | | | 3 | | 2 |
|------------+----+------+------+------+------+----+-----+----|
|80486DX2/50i|2 & |Closed|Closed| Open |Closed|1 & |2 & 3|2 & |
| | 3 | | | | | 2 | | 3 |
|------------+----+------+------+------+------+----+-----+----|
|80486DX2/66i|2 & |Closed|Closed| Open |Closed|1 & |2 & 3|2 & |
| | 3 | | | | | 2 | | 3 |
|-------------------------------------------------------------|
|Note:Pins designated should be in the closed position. |
+-------------------------------------------------------------+
+----------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|----------------------------------------------------------------|
| Type | JP24 | JP30 |JP31| JP32 | JP33 |JP34| JP35 | JP36 |
|------------+------+------+----+------+------+----+------+------|
| 80386DX/25 |Closed|Closed|Open| Open | Open |1 & |Closed|Closed|
| | | | | | | 2 | | |
|------------+------+------+----+------+------+----+------+------|
| 80386DX/33 |Closed|Closed|Open| Open | Open |1 & |Closed|Closed|
| | | | | | | 2 | | |
|------------+------+------+----+------+------+----+------+------|
| 80386DX/40 |Closed|Closed|Open|Closed| Open |1 & |Closed|Closed|
| | | | | | | 2 | | |
|------------+------+------+----+------+------+----+------+------|
| 80486SX/25 | Open |Closed|Open| Open | Open |1 & |Closed|Closed|
| | | | | | | 2 | | |
|------------+------+------+----+------+------+----+------+------|
| 80486SX/33 | Open |Closed|Open| Open | Open |1 & |Closed|Closed|
| | | | | | | 2 | | |
|------------+------+------+----+------+------+----+------+------|
| 80486DX/25 | Open |Closed|Open| Open | Open |1 & |Closed|Closed|
| | | | | | | 2 | | |
|------------+------+------+----+------+------+----+------+------|
| 80486DX/33 | Open |Closed|Open| Open | Open |1 & |Closed|Closed|
| | | | | | | 2 | | |
|------------+------+------+----+------+------+----+------+------|
| 80486DX/50 | Open |Closed|Open|Closed|Closed|1 & |Closed|Closed|
| | | | | | | 2 | | |
|------------+------+------+----+------+------+----+------+------|
|80486DX2/50i| Open |Closed|Open| Open | Open |1 & |Closed|Closed|
| | | | | | | 2 | | |
|------------+------+------+----+------+------+----+------+------|
|80486DX2/66i| Open |Closed|Open| Open | Open |1 & |Closed|Closed|
| | | | | | | 2 | | |
|----------------------------------------------------------------|
|Note:Pins designated should be in the closed position. |
+----------------------------------------------------------------+