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# SOYO COMPUTER CO., LTD.
5BT5
Processor CX 6X86/CX 6X86L/AM K5/AM K6/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200/233/266MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interfaces (2), parallel port, PS/2 mouse
port, serial ports (2), IR connector, USB
connector, ATX power connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| ATX power | ATX | Power LED & | J17 |
| connector | | keylock | |
|-------------------+----------+------------------+----------|
| Serial port | CN1 | Speaker | J18 |
|-------------------+----------+------------------+----------|
| Serial port | CN2 | Reset switch | J19 |
|-------------------+----------+------------------+----------|
| Parallel port | CN3 | IDE interface | J24 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN4 | CPU cooling fan | JP43 |
| interface | | | |
|-------------------+----------+------------------+----------|
| IDE interface | CN5 | Wake on LAN | JP45 |
| | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface | CN6 | 32-bit PCI slots | PC1 – |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN7 | Soft off power | PW2 |
| | | supply | |
|-------------------+----------+------------------+----------|
| IR connector | IR1 | USB connector | USB |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | JP5 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP5 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP40 | Closed |
| | (CE test jumper) | | |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | SW2 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | (1) 16K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86/6X 86L) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | On | Off | On | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | On | Off | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 75MHz | 2x | On | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | Off | Off | On | On | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | Off | Off | On | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | Off | Off | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 1.5x | Off | Off | On | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 1.5x | Off | Off | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 50MHz | 2x | On | Off | On | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 50MHz | 2x | On | Off | On | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | Off | On | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | Off | Off | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 266MHz | 66MHz | 4x | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | Off | Off | On | On | On |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | Off | Off | On | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | Off | Off | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | On | Off | On | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | On | Off | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | On | On | On | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | On | On | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 180MHz | 60MHz | 3x | Off | On | On | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | Off | On | Off | Off | Off |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP30 |
|----------------------------+-------------------------------|
| | 3.3v | Pins 3 & 4, 9 & 10 closed |
|---+------------------------+-------------------------------|
| » | 3.52v | Pins 3 & 4, 11 & 12 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | JP30 |
|----------------------------+-------------------------------|
| | 2.1v | Pins 1 & 2, 11 & 12 closed |
|---+------------------------+-------------------------------|
| » | 2.8v | Pins 3 & 4, 11 & 12 closed |
|---+------------------------+-------------------------------|
| | 2.9v | Pins 5 & 6, 11 & 12 closed |
|---+------------------------+-------------------------------|
| | 3.2v | Pins 7 & 8, 11 & 12 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| POWER SUPPLY SELECTION |
|------------------------------------------------------------|
| Setting | ATP1 | JP44 | PW3 |
|--------------+------------+-------------------+------------|
| » | AT | Closed | Pins 1 & 2 closed | Open |
|---+----------+------------+-------------------+------------|
| | ATX | Open | Pins 2 & 3 closed | Closed |
+------------------------------------------------------------+