TEXT View Source
# SOYO COMPUTER CO., LTD.
486PCI
Processor CX486M7/80486SX/80486DX/80486DX2/80486DX4/Pentium Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/
Speed 100(internal)MHz
Chip Set Unidentified
Max. 128MB
Onboard
DRAM
Cache 128/256/512KB
BIOS Award
Dimensions 254mm x 220mm
I/O 32-bit VESA local bus slots (2), 32-bit PCI bus slots (4), green
Options PC connector
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Power LED & | J17 | Turbo LED | J22 |
| keylock | | | |
|------------------+----------+-------------------+----------|
| Speaker | J18 | Green PC | JP19 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Reset switch | J19 | Green PC | JP42 |
| | | connector | |
|------------------+----------+-------------------+----------|
| External battery | J20 | 32-bit VESA local | SL1 & |
| | | bus slots | SL2 |
|------------------+----------+-------------------+----------|
| Turbo switch | J21 | 32-bit PCI bus | PC1 - |
| | | slots | PC4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|------------------------------------+--------+--------------|
| » | Monitor type select monochrome | JP3 | Open |
|---+--------------------------------+--------+--------------|
| | Monitor type select color | JP3 | Closed |
|---+--------------------------------+--------+--------------|
| » | CMOS memory normal operation | JP5 | pins 1 & 2 |
| | | | closed |
|---+--------------------------------+--------+--------------|
| | CMOS memory clear | JP5 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 512K x | NONE | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 512K x | (1) 512K x | (1) 512K x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 512K x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 512K x | (1) 512K x | (1) 2M x | NONE |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 14MB | (1) 512K x | (1) 1M x 36 | (1) 2M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 512K x | (1) 2M x 36 | (1) 2M x | NONE |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 512K x | (1) 512K x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 22MB | (1) 512K x | (1) 1M x 36 | (1) 2M x | (1) 2M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 26MB | (1) 512K x | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x 36 | (1) 8M x | NONE |
| | | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 52MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 16M x | NONE | NONE | NONE |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 84MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 100MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 16K x 8 or (1) |
| | | | 32K x 8 |
|-------+--------------+-------------+-----------------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP22 | JP24 | JP27 | JP30 |
|---------+----------+---------+---------+-------------------|
| 128KB | Closed | Open | Open | pins 1 & 2 closed |
|---------+----------+---------+---------+-------------------|
| 256KB | Closed | Closed | Open | pins 2 & 3 closed |
|---------+----------+---------+---------+-------------------|
| 512KB | Closed | Closed | Closed | pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP6 | JP7 |JP8 | JP9 | JP10 | JP11 | JP12 |
|--------------+------+------+----+-----+------+------+------|
| 80486SX | Open |2 & 3 |Open|Open | Open | Open | Open |
|--------------+------+------+----+-----+------+------+------|
|CX486M7(sync) |1 & 2 | Open |Open|Open | Open | Open | Open |
|--------------+------+------+----+-----+------+------+------|
|CX486M7(async)|1 & 2 | Open |Open|Open | Open | Open | Open |
|--------------+------+------+----+-----+------+------+------|
| 80486DX | Open |2 & 3 |Open|Open | Open | Open | Open |
|--------------+------+------+----+-----+------+------+------|
| SL80486DX | Open |1 & 2 |Open|Open | Open | Open |Closed|
|--------------+------+------+----+-----+------+------+------|
| 80486DX2 | Open |2 & 3 |Open|Open | Open | Open | Open |
|--------------+------+------+----+-----+------+------+------|
| SL80486DX2 | Open |1 & 2 |Open|Open | Open | Open |Closed|
|--------------+------+------+----+-----+------+------+------|
| 80486DX4 | Open |1 & 2 |Open|Open | Open | Open |Closed|
|--------------+------+------+----+-----+------+------+------|
| P24D |2 & 3 |1 & 2 |Open|2 & 3|Closed|Closed|Closed|
|--------------+------+------+----+-----+------+------+------|
| P24T |2 & 3 |1 & 2 |Open|1 & 2| Open | Open |Closed|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP13 | JP14 | JP15 |JP16 |JP17 |JP18 | JP20 |
|--------------+------+------+------+-----+-----+-----+------|
| 80486SX | Open | Open | Open |Open |2 & 3|2 & 3|2 & 3 |
|--------------+------+------+------+-----+-----+-----+------|
|CX486M7(sync) | Open | Open |Closed|1 & 2|Open |2 & 3|1 & 2,|
| | | | | | | |3 & 4 |
|--------------+------+------+------+-----+-----+-----+------|
|CX486M7(async)| Open | Open |Closed|1 & 2|1 & 2|2 & 3|1 & 2,|
| | | | | | | |3 & 4 |
|--------------+------+------+------+-----+-----+-----+------|
| 80486DX | Open | Open | Open |Open |1 & 2|2 & 3|1 & 2,|
| | | | | | | |3 & 4 |
|--------------+------+------+------+-----+-----+-----+------|
| SL80486DX |Closed|Closed| Open |Open |1 & 2|1 & 2|1 & 2,|
| | | | | | | |3 & 4 |
|--------------+------+------+------+-----+-----+-----+------|
| 80486DX2 | Open | Open | Open |Open |1 & 2|2 & 3|1 & 2,|
| | | | | | | |3 & 4 |
|--------------+------+------+------+-----+-----+-----+------|
| SL80486DX2 | Open | Open | Open |Open |1 & 2|2 & 3|1 & 2,|
| | | | | | | |3 & 4 |
|--------------+------+------+------+-----+-----+-----+------|
| 80486DX4 |Closed|Closed| Open |Open |1 & 2|1 & 2|1 & 2,|
| | | | | | | |3 & 4 |
|--------------+------+------+------+-----+-----+-----+------|
| P24D |Closed|Closed| Open |Open |1 & 2|1 & 2|1 & 2,|
| | | | | | | |3 & 4 |
|--------------+------+------+------+-----+-----+-----+------|
| P24T |Closed|Closed| Open |Open |1 & 2|1 & 2|1 & 2,|
| | | | | | | |3 & 4 |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP34 | JP36 | JP37 |
|---------------+-------------+---------------+--------------|
| 25MHz | Open | Open | Open |
|---------------+-------------+---------------+--------------|
| 33MHz | Open | Closed | Closed |
|---------------+-------------+---------------+--------------|
| 40MHz | Open | Closed | Open |
|---------------+-------------+---------------+--------------|
| 50iMHz | Open | Open | Open |
|---------------+-------------+---------------+--------------|
| 50MHz | Open | Open | Closed |
|---------------+-------------+---------------+--------------|
| 66iMHz | Open | Closed | Closed |
|---------------+-------------+---------------+--------------|
| 75iMHz | Open | Open | Open |
|---------------+-------------+---------------+--------------|
| 80iMHz | Open | Closed | Open |
|---------------+-------------+---------------+--------------|
| 100iMHz | Open | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP21 |
|--------------------------+---------------------------------|
| 3.3v | pins 1 & 2, 4 & 5, 7 & 8 closed |
|--------------------------+---------------------------------|
| 5.0v | pins 2 & 3, 5 & 6, 8 & 9 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP2 |
|-------------------------------+----------------------------|
| 0 wait states | Open |
|-------------------------------+----------------------------|
| 1 wait state | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP1 |
|-------------------------------+----------------------------|
| <= 33MHz | Open |
|-------------------------------+----------------------------|
| > 33MHz | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI BUS CLOCK CONFIGURATION |
|------------------------------------------------------------|
| Mode | JP31 | JP32 |
|------------------+--------------------+--------------------|
| Asynchronous | pins 2 & 3 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| Synchronous | pins 1 & 2 closed | pins 1 & 2 closed |
+------------------------------------------------------------+