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# VEXTREC TECHNOLOGY, INC.
GMB-P57IPS (VER. 3.03)
Device Type Mainboard
Processor CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM
K6/Pentium/Pentium MMX
Processor Speed 90/100/110/120/133/150/166/200/233MHz
Chip Set Intel 430TX
Maximum Onboard 256MB (EDO & SDRAM supported)
Memory
Cache 256/512KB
BIOS Award
Dimensions 260mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interface, parallel port, PS/2 mouse port,
serial ports (2), USB connectors (2), IR
connector
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+-----------+------------------+-----------|
| IDE interface | J2/pins 1 | IR connector | J12/pins |
| LED | & 2 | | 16 - 20 |
|-----------------+-----------+------------------+-----------|
| Turbo LED | J2/pins 3 | Serial port 2 | J13 |
| | & 4 | | |
|-----------------+-----------+------------------+-----------|
| SMI switch | J2/pins 5 | Serial port 1 | J14 |
| | & 6 | | |
|-----------------+-----------+------------------+-----------|
| Reset switch | J2/pins 9 | Parallel port | J15 |
| | & 10 | | |
|-----------------+-----------+------------------+-----------|
| Power LED & | J2/pins | Floppy drive | J16 |
| keylock | 11 - 15 | interface | |
|-----------------+-----------+------------------+-----------|
| Speaker | J2/pins | PS/2 mouse port | J19 |
| | 17 - 20 | | |
|-----------------+-----------+------------------+-----------|
| IDE interface 2 | J10 | At keyboard | J20 |
| | | connector | |
|-----------------+-----------+------------------+-----------|
| IDE interface 1 | J11 | PS/2 keyboard | J21 |
| | | connector | |
|-----------------+-----------+------------------+-----------|
| USB1 connector | J12/pins | AT power | J22 |
| | 1 - 5 | connector | |
|-----------------+-----------+------------------+-----------|
| PS/2 mouse | J12/pins | PCI slots | PC1 - PC4 |
| interface | 6 - 10 | | |
|-----------------+-----------+------------------+-----------|
| USB2 connector | J12/pins | | |
| | 11 - 15 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| | Flash BIOS voltage select 12v | JP4 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS voltage select 5v | JP4 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (2) 1MB x 32 | None |
|------------------+--------------------+--------------------|
| 4MB | None | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 16MB | (2) 4MB x 32 | None |
|------------------+--------------------+--------------------|
| 16MB | None | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 20MB | (2) 4MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4MB x 32 | None |
|------------------+--------------------+--------------------|
| 32MB | None | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2)16MB x 32 | None |
|------------------+--------------------+--------------------|
| 64MB | None | (2) 16MB x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 68MB | (2) 16MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 80MB | (2) 16MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 96MB | (2) 16MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16MB x 32 | (2) 16MB x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16MB x 32 | None |
|------------------+--------------------+--------------------|
| 128MB | None | (2) 16MB x 32 |
|------------------+--------------------+--------------------|
| 136MB | (2) 16MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16MB x 32 | (2) 16MB x 32 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16MB x 32 | (2) 16MB x 32 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16MB x 32 | (2) 16MB x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 16MB | (1) 2MB x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2MB x 64 | (1) 2MB x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4MB x 64 | None |
|------------------+--------------------+--------------------|
| 48MB | (1) 4MB x 64 | (1) 2MB x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 4MB x 64 | (1) 4MB x 64 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4MB x 64 | None |
|------------------+--------------------+--------------------|
| 80MB | (2) 4MB x 64 | (1) 2MB x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 4MB x 64 | (2) 4MB x 64 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4MB x 64 | (1) 4MB x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1)16MB x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (2) 4MB x 64 | (2) 4MB x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16MB x 64 | (1) 2MB x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16MB x 64 | (1) 4MB x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16MB x 64 | (2) 4MB x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16MB x 64 | (1) 16MB x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Cache size | Bank 0 | TAG |
|-------------------+--------------------+-------------------|
| 256KB | (2) 32K x 8 | 8K/16K x 8 |
|-------------------+--------------------+-------------------|
| 512KB | (2) 64K x 8 | 16K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| speed | speed | | | | | |
|--------+---------+------------+-----+-------+-------+------|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & 2 | 1 & 2 | 1 & |
| | | | 2 | | | 2 |
|--------+---------+------------+-----+-------+-------+------|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & 2 | Open | 1 & |
| | | | 2 | | | 2 |
|--------+---------+------------+-----+-------+-------+------|
| 120MHz | 60MHz | 2x | 2 & | 1 & 2 | 1 & 2 | 1 & |
| | | | 3 | | | 2 |
|--------+---------+------------+-----+-------+-------+------|
| 133MHz | 66MHz | 2x | 2 & | 1 & 2 | Open | 1 & |
| | | | 3 | | | 2 |
|--------+---------+------------+-----+-------+-------+------|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & 3 | 1 & 2 | 1 & |
| | | | 3 | | | 2 |
|--------+---------+------------+-----+-------+-------+------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & 3 | Open | 1 & |
| | | | 3 | | | 2 |
|--------+---------+------------+-----+-------+-------+------|
| 200MHz | 66MHz | 3x | 1 & | 2 & 3 | Open | 1 & |
| | | | 2 | | | 2 |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| speed | speed | | | | | |
|--------+---------+------------+-----+-------+------+-------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & 3 | Open | 1 & 2 |
| | | | 3 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 200MHz | 66MHz | 3x | 1 & | 2 & 3 | Open | 1 & 2 |
| | | | 2 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & 2 | Open | 1 & 2 |
| | | | 2 | | | |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| speed | speed | | | | | |
|--------+-------+------------+-----+-------+---------+------|
| 133MHz | 55MHz | 2x | 2 & | 1 & 2 | 1 & 2, | 1 & |
| | | | 3 | | 3 & 4 | 2 |
|--------+-------+------------+-----+-------+---------+------|
| 150MHz | 60MHz | 2x | 2 & | 1 & 2 | 1 & 2 | 1 & |
| | | | 3 | | | 2 |
|--------+-------+------------+-----+-------+---------+------|
| 166MHz | 66MHz | 2x | 2 & | 1 & 2 | Open | 1 & |
| | | | 3 | | | 2 |
|--------+-------+------------+-----+-------+---------+------|
| 200MHz | 75MHz | 2x | 2 & | 1 & 2 | 3 & 4 | 1 & |
| | | | 3 | | | 2 |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86 MX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| speed | speed | | | | | |
|--------+---------+------------+-----+-------+-------+------|
| 166MHz | 60MHz | 2.5x | 2 & | 2 & 3 | 1 & 2 | 2 & |
| | | | 3 | | | 3 |
|--------+---------+------------+-----+-------+-------+------|
| 200MHz | 66MHz | 2.5x | 2 & | 2 & 3 | Open | 2 & |
| | | | 3 | | | 3 |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| speed | speed | | | | | |
|--------+---------+------------+-----+-------+------+-------|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & 2 | Open | 1 & 2 |
| | | | 2 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & 2 | Open | 1 & 2 |
| | | | 2 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 120MHz | 60MHz | 2x | 1 & | 1 & 2 | Open | 1 & 2 |
| | | | 2 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 133MHz | 66MHz | 2x | 2 & | 1 & 2 | Open | 1 & 2 |
| | | | 3 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 150MHz | 60MHz | 2.5x | 1 & | 1 & 2 | Open | 1 & 2 |
| | | | 2 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & 3 | Open | 1 & 2 |
| | | | 3 | | | |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| speed | speed | | | | | |
|--------+---------+------------+-----+-------+------+-------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & 3 | Open | 1 & 2 |
| | | | 3 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 200MHz | 66MHz | 3x | 1 & | 2 & 3 | Open | 1 & 2 |
| | | | 2 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & 2 | Open | 1 & 2 |
| | | | 2 | | | |
|--------+---------+------------+-----+-------+------+-------|
| 266MHz | 66MHz | 4x | 2 & | 1 & 2 | Open | 2 & 3 |
| | | | 3 | | | |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP1 | JP5 | JP7 |
|-----------+---------+---------+----------------------------|
| 3.3V | Closed | Closed | 3 & 4, 5 & 6, 7 & 8 |
|-----------+---------+---------+----------------------------|
| 3.5V | Closed | Closed | 1 & 2, 3 & 4, 5 & 6, 7 & 8 |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| V I/O | V Core | JP1 | JP5 | JP7 |
|-------+--------+----------+----------+---------------------|
| 3.3V | 2.2V | Open | Open | 3 & 4 |
|-------+--------+----------+----------+---------------------|
| 3.3V | 2.8V | Open | Open | 7 & 8 |
|-------+--------+----------+----------+---------------------|
| 3.3V | 2.9V | Open | Open | 1 & 2, 7 & 8 |
|-------+--------+----------+----------+---------------------|
| 3.3V | 3.2V | Open | Open | 1 & 2, 5 & 6, 7 & 8 |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL CONT.) |
|------------------------------------------------------------|
| V I/O | V Core | JP1/pins 1 & | JP1/pins | JP1/pins | JP5 |
| | | 2 | 3 & 4 | 5 & 6 | |
|-------+--------+--------------+----------+----------+------|
| 3.3V | 2.2V | Open | Open | Open | Open |
|-------+--------+--------------+----------+----------+------|
| 3.3V | 2.8V | Open | Open | Open | Open |
|-------+--------+--------------+----------+----------+------|
| 3.3V | 2.9V | Open | Open | Open | Open |
|-------+--------+--------------+----------+----------+------|
| 3.3V | 3.2V | Open | Open | Open | Open |
+------------------------------------------------------------+