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# VEXTREC TECHNOLOGY, INC.
GMB-P6BIAK (VER. 1.00)
Device Type Mainboard
Processor Pentium II
Processor Speed 233/266/275/333/400/450MHz
Chip Set Intel 440BX
Maximum Onboard 512MB (EDO & SDRAM supported)
Memory
Cache 256/512KB (located on Pentium II CPU)
BIOS Award/AMI
Dimensions 305mm x 217mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interface, parallel
port, PS/2 mouse port, serial ports (2),
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| AGP slot | AGP | Floppy drive | JP12 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN1 | Intel PC/PCI | JP13 |
| | | header | |
|-------------------+----------+------------------+----------|
| Parallel port | CN2 | IDE interface 1 | JP14 |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN3 | IDE interface 2 | JP15 |
|-------------------+----------+------------------+----------|
| USB connector 1 | CN4 | Wake on LAN | JP16 |
| | | connector | |
|-------------------+----------+------------------+----------|
| USB connector 2 | CN5 | IDE interface | JP17 |
| | | LED | |
|-------------------+----------+------------------+----------|
| PS/2 mouse port | CN6 | Speaker | JP18 |
|-------------------+----------+------------------+----------|
| Chassis fan power | FAN1 | Power switch | JP19 |
|-------------------+----------+------------------+----------|
| Chassis fan power | FAN3 | Reset switch | JP20 |
|-------------------+----------+------------------+----------|
| CPU fan power | FAN2 | Power LED | JP21 |
|-------------------+----------+------------------+----------|
| ATX power | JP1 | 32-bit PCI slots | PC1 - |
| connector | | | PC4 |
|-------------------+----------+------------------+----------|
| IR connector | JP10 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| » | CMOS memory normal operation | J4 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | CMOS memory clear | J4 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | Flash BIOS voltage select 5v | J6 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS voltage select 12v | J6 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 1MB x | None | None | None |
| | 64 | | | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1MB x | (1) 1MB x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2MB x | None | None | None |
| | 64 | | | |
|-------+-------------+------------+------------+------------|
| 23MB | (1) 1MB x | (1) 1MB x | (1) 1MB x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2MB x | (1) 1MB x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 1MB x | (1) 1MB x | (1) 1MB x | (1) 1MB x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2MB x | (1) 2MB x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4MB x | None | None | None |
| | 64 | | | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 2MB x | (1) 2MB x | (1) 1MB x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2MB x | (1) 2MB x | (1) 2MB x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4MB x | (1) 2MB x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 56MB | (1) 2MB x | (1) 2MB x | (1) 2MB x | (1) 1MB x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 2MB x | (1) 2MB x | (1) 2MB x | (1) 2MB x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4MB x | (1) 4MB x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8MB x | None | None | None |
| | 64 | | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4MB x | (1) 4MB x | (1) 2MB x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4MB x | (1) 4MB x | (1) 4MB x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8MB x | (1) 4MB x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 112MB | (1) 4MB x | (1) 4MB x | (1) 4MB x | (1) 2MB x |
| | 64 | 64 | 64 | 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CONT.) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 4MB x | (1) 4MB x | (1) 4MB x | (1) 4MB x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8MB x | (1) 8MB x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16MB x | None | None | None |
| | 64 | | | |
|-------+-------------+------------+------------+------------|
| 160MB | (1) 8MB x | (1) 8MB x | (1) 4MB x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 8MB x | (1) 8MB x | (1) 8MB x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 16MB x | (1) 8MB x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 224MB | (1) 8MB x | (1) 8MB x | (1) 8MB x | (1) 4MB x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 8MB x | (1) 8MB x | (1) 8MB x | (1) 8MB x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 16MB x | (1) 16MB x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 320MB | (1) 16MB x | (1) 16MB x | (1) 8MB x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 384MB | (1) 16MB x | (1) 16MB x | (1) 16MB x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 448MB | (1) 16MB x | (1) 16MB x | (1) 16MB x | (1) 8MB x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 512MB | (1) 16MB x | (1) 16MB x | (1) 16MB x | (1) 16MB x |
| | 64 | 64 | 64 | 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
|Speed | Clock |Multiplier|JP3/pins 1 &|JP3/pins 3|JP3/pins 5|
| | speed | | 2 | & 4 | & 6 |
|------+-------+----------+------------+----------+----------|
|233MHz| 66MHz | 3.5x | Open | Open | Closed |
|------+-------+----------+------------+----------+----------|
|266MHz| 66MHz | 4x | Closed | Closed | Open |
|------+-------+----------+------------+----------+----------|
|300MHz| 66MHz | 4.5x | Open | Closed | Open |
|------+-------+----------+------------+----------+----------|
|333MHz| 66MHz | 5x | Closed | Open | Open |
|------+-------+----------+------------+----------+----------|
|350MHz|100MHz | 3.5x | Open | Open | Closed |
|------+-------+----------+------------+----------+----------|
|400MHz|100MHz | 4x | Closed | Closed | Open |
|------+-------+----------+------------+----------+----------|
|450MHz|100MHz | 4.5x | Open | Closed | Open |
+------------------------------------------------------------+