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# VEXTREC TECHNOLOGY, INC.
GMB-P57SAX (VER. 1.20)
Processor CX 6X86L/CX 6X86MX/AM K5/AM
K6/Pentium/Pentium MMX
Processor Speed 90/100/120/133/150/166/200/233/266MHz
Chip Set SIS
Video Chip Set SIS
Audio Chip Set ESS
Maximum Onboard 384MB (EDO supported)
Memory
Maximum Video Unidentified
Memory
Cache 512KB
BIOS Award
Dimensions 304mm x 210mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
game port, IDE interfaces (2), parallel port,
PS/2 mouse port, serial ports (2), IR
connector, USB connectors (2), ATX power
connector, wavetable connector, microphone
in, line in, speaker out, CPU fan connector
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+-----------+------------------+----------|
| ATX power | ATX | Power LED & | J1/pins |
| connector | | keylock | 11 - 15 |
|------------------+-----------+------------------+----------|
| Game port | CN1 | Speaker | J1/pins |
| | | | 17 - 20 |
|------------------+-----------+------------------+----------|
| Microphone in | CN2 | Wavetable | J2 |
| | | connector | |
|------------------+-----------+------------------+----------|
| Line in | CN3 | Audio in CD–ROM | J3 |
| | | (Panasonic) | |
|------------------+-----------+------------------+----------|
| Speaker out | CN4 | Audio in CD–ROM | J4 |
| | | (Sony) | |
|------------------+-----------+------------------+----------|
| VGA port | CN5 | Floppy drive | J5 |
| | | interface | |
|------------------+-----------+------------------+----------|
| Serial port 1 | CN6 | IDE interface 1 | J6 |
|------------------+-----------+------------------+----------|
| Parallel port | CN7 | IDE interface 2 | J7 |
|------------------+-----------+------------------+----------|
| USB connector 1 | CN8 | IR connector | J8 |
|------------------+-----------+------------------+----------|
| USB connector 2 | CN9 | Chassis fan | J9 |
| | | power | |
|------------------+-----------+------------------+----------|
| PS/2 mouse port | CN10 | VGA feature | J10 |
| | | connector | |
|------------------+-----------+------------------+----------|
| IDE interface | J1/pins 1 | Serial port 2 | J11 |
| LED | & 2 | | |
|------------------+-----------+------------------+----------|
| ACPI LED | J1/pins 3 | CPU fan | J17 |
| | & 4 | connector | |
|------------------+-----------+------------------+----------|
| Power button | J1/pins 5 | Internal modem | JP11 |
| | & 6 | ring in | |
| | | connector | |
|------------------+-----------+------------------+----------|
| Power switch | J1/pins 7 | 32-bit PCI slots | PCI – |
| | & 8 | | PC4 |
|------------------+-----------+------------------+----------|
| Reset switch | J1/pins 9 | | |
| | & 10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| | Flash BIOS voltage select 12v | JP1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS voltage select 5v | JP1 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | On board audio enabled | JP3 | Closed |
|---+-----------------------------------+-------+------------|
| | On board audio disabled | JP3 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP6 | Open |
|---+-----------------------------------+-------+------------|
| » | Factory configured - do not alter | JP7 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP8 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP8 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | (2) 1M x 32 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | None | None | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 2M x 32 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 2M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 32 | (2) 1M x 32 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (2) 1M x 32 | None | None | (1) 1M x |
| | | | | 64 |
|------+-------------+-------------+------------+------------|
| 16MB | None | None | (1) 1M x | (1) 1M x |
| | | | 64 | 64 |
|------+-------------+-------------+------------+------------|
| 24MB | None | (2) 2M x 32 | (1) 1M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 4M x 32 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | None | None | (1) 4M x | None |
| | | | 64 | |
|------+-------------+-------------+------------+------------|
| 32MB | (2) 2M x 32 | None | None | (1) 2M x |
| | | | | 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM/DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 40MB | (2) 4M x 32 | (2) 1M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 40MB | (2) 4M x 32 | None | None | (1) 1M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 48MB | (2) 2M x 32 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 48MB | (2) 4M x 32 | (2) 2M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (2) 4M x 32 | None | None | (1) 2M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 8M x 32 | None | None | None |
|-------+-------------+------------+------------+------------|
| 64MB | None | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 32 | (2) 4M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (2) 4M x 32 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 8M x 32 | (2) 1M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (2) 8M x 32 | None | None | (1) 1M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 2M x 32 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 8M x 32 | (2) 2M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (2) 8M x 32 | None | None | (1) 2M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 4M x 32 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 32 | (2) 4M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (2) 8M x 32 | None | None | (1) 4M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 16M x | None | None | None |
| | 32 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 32 | (2) 8M x | None | None |
| | | 32 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (2) 8M x 32 | None | None | (1) 8M x |
| | | | | 64 |
|-------+-------------+------------+------------+------------|
| 136MB | (2) 16M x | (2) 1M x | None | None |
| | 32 | 32 | | |
|-------+-------------+------------+------------+------------|
| 144MB | (2) 16M x | (2) 2M x | None | None |
| | 32 | 32 | | |
|-------+-------------+------------+------------+------------|
| 144MB | None | (2) 16M x | None | (1) 2M x |
| | | 32 | | 64 |
|-------+-------------+------------+------------+------------|
| 160MB | (2) 16M x | (2) 4M x | None | None |
| | 32 | 32 | | |
|-------+-------------+------------+------------+------------|
| 160MB | None | (2) 16M x | None | (1) 4M x |
| | | 32 | | 64 |
|-------+-------------+------------+------------+------------|
| 192MB | (2) 16M x | (2) 8M x | None | None |
| | 32 | 32 | | |
|-------+-------------+------------+------------+------------|
| 192MB | None | (2) 16M x | None | (1) 8M x |
| | | 32 | | 64 |
|-------+-------------+------------+------------+------------|
| 256MB | (2) 16M x | (2) 16M x | None | None |
| | 32 | 32 | | |
|-------+-------------+------------+------------+------------|
| 264MB | (2) 16M x | (2) 16M x | None | (1) 1M x |
| | 32 | 32 | | 64 |
|-------+-------------+------------+------------+------------|
| 384MB | None | (2) 16M x | (1) 16M x | (1) 16M x |
| | | 32 | 64 | 64 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |55MHz| 2x | On | Off | Off | On | On | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86L) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |75MHz| 2x | On | Off | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |75MHz| 2x | On | Off | Off | Off | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 1.5x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|266MHz |66MHz| 4x | Off | Off | On | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
| 90MHz |60MHz| 1.5x | Off | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|100MHz |66MHz| 1.5x | Off | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|120MHz |60MHz| 2x | On | Off | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|133MHz |66MHz| 2x | On | Off | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|150MHz |60MHz| 2.5x | On | On | Off | On | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU |Clock|Multiplier|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
| speed |speed| | | | | | | |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|166MHz |66MHz| 2.5x | On | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|200MHz |66MHz| 3x | Off | On | Off | Off | Off | Off |
|-------+-----+----------+-----+-----+-----+-----+-----+-----|
|233MHz |66MHz| 3.5x | Off | Off | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Setting | SW1/1 | SW1/2 |
|------------------------+-----------------+-----------------|
| Auto-detect | Off | Off |
|------------------------+-----------------+-----------------|
| Pentium/AM K6-166,-200 | On | Off |
|------------------------+-----------------+-----------------|
| CX 6X86/AM K5 | On | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ON BOARD VGA SELECTION |
|------------------------------------------------------------|
| Setting | JP4 | JP5 |
|------------------+--------------------+--------------------|
| Enabled | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| Disabled | Pins 1 & 2 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+