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# GEMLIGHT COMPUTER, LTD.
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
I/O Options 32-bit PCI slots (4), floppy drive interface,
IDE interface, parallel port, PS/2 mouse
port, serial ports (2)
Dimensions 220mm x 260mm
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+-----------+----------------+-------------|
| IDE interface | J2/pins 1 | PS/2 mouse | J12/pins 6 |
| LED | & 2 | interface | - 10 |
|-----------------+-----------+----------------+-------------|
| Turbo LED | J2/pins 3 | USB connector | J12/pins 12 |
| | & 4 | 2 | - 15 |
|-----------------+-----------+----------------+-------------|
| Green PC | J2/pins 5 | IR connector | J12/pins 16 |
| connector | & 6 | | - 20 |
|-----------------+-----------+----------------+-------------|
| Reset switch | J2/pins 9 | Serial port 1 | J13 |
| | & 10 | | |
|-----------------+-----------+----------------+-------------|
| Power LED & | J2/pins | Serial port 2 | J14 |
| keylock | 11 - 15 | | |
|-----------------+-----------+----------------+-------------|
| Speaker | J2/pins | Parallel port | J15 |
| | 17 - 20 | | |
|-----------------+-----------+----------------+-------------|
| IDE interface 2 | J10 | Floppy drive | J16 |
| | | interface | |
|-----------------+-----------+----------------+-------------|
| IDE interface 1 | J11 | PS/2 mouse | J19 |
| | | port | |
|-----------------+-----------+----------------+-------------|
| USB connector 1 | J12/pins | 32-bit PCI | PC1 - PC4 |
| | 2 - 5 | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| ยป | Flash BIOS voltage select 5v | JP4 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS voltage select 12v | JP4 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1MB x 32 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2MB x 32 | None |
|------------------+--------------------+--------------------|
| 24MB | (2) 2MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 2MB x 32 | (2) 2MB x 32 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4MB x 32 | None |
|------------------+--------------------+--------------------|
| 40MB | (2) 4MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4MB x 32 | (2) 2MB x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2) 4MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8MB x 32 | None |
|------------------+--------------------+--------------------|
| 72MB | (2) 8MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8MB x 32 | (2) 2MB x 32 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8MB x 32 | (2) 8MB x 32 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16MB x 32 | None |
|------------------+--------------------+--------------------|
| 136MB | (2) 16MB x 32 | (2) 1MB x 32 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16MB x 32 | (1) 2MB x 32 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16MB x 32 | (2) 4MB x 32 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16MB x 32 | (2) 8MB x 32 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16MB x 32 | (2) 16MB x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1MB x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1MB x 64 | (1) 1MB x 64 |
|------------------+--------------------+--------------------|
| 16MB | (1) 2MB x 64 | None |
|------------------+--------------------+--------------------|
| 24MB | (1) 2MB x 64 | (1) 1MB x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 2MB x 64 | (1) 2MB x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4MB x 64 | None |
|------------------+--------------------+--------------------|
| 40MB | (1) 4MB x 64 | (1) 1MB x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4MB x 64 | (1) 2MB x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 4MB x 64 | (1) 4MB x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8MB x 64 | None |
|------------------+--------------------+--------------------|
| 80MB | (1) 8MB x 64 | (1) 2MB x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8MB x 64 | (1) 4MB x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 8MB x 64 | (1) 8MB x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16MB x 64 | None |
|------------------+--------------------+--------------------|
| 144MB | (1) 16MB x 64 | (1) 2MB x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16MB x 64 | (1) 4MB x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16MB x 64 | (1) 8MB x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16MB x 64 | (1) 16MB x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (2) 32K x 32 | 8/16K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | 16K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| Speed | speed | | | | | |
|---------+--------+------------+------+-------+------+------|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & 2 | 1 & | 1 & |
| | | | 2 | | 2 | 2 |
|---------+--------+------------+------+-------+------+------|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & 2 | Open | 1 & |
| | | | 2 | | | 2 |
|---------+--------+------------+------+-------+------+------|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & 2 | Open | 1 & |
| | | | 2 | | | 2 |
|---------+--------+------------+------+-------+------+------|
| 120MHz | 60MHz | 2x | 2 & | 1 & 2 | 1 & | 1 & |
| | | | 3 | | 2 | 2 |
|---------+--------+------------+------+-------+------+------|
| 133MHz | 66MHz | 2x | 2 & | 1 & 2 | Open | 1 & |
| | | | 3 | | | 2 |
|---------+--------+------------+------+-------+------+------|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & 3 | 1 & | 1 & |
| | | | 3 | | 2 | 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 & |
| | | | 3 | | | 2 |
|---------+--------+------------+------+-------+------+------|
| 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 & | 1 & |
| | | | 3 | | 2, 3 | 2 |
| | | | | | & 4 | |
|---------+--------+------------+------+-------+------+------|
| 150MHz | 60MHz | 2x | 2 & | 1 & 2 | 1 & | 1 & |
| | | | 3 | | 2 | 2 |
|---------+--------+------------+------+-------+------+------|
| 166MHz | 66MHz | 2x | 2 & | 1 & 2 | Open | 1 & |
| | | | 3 | | | 2 |
|---------+--------+------------+------+-------+------+------|
| 200MHz | 75MHz | 2x | 2 & | 1 & 2 | 3 & | 1 & |
| | | | 3 | | 4 | 2 |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86MX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| speed | speed | | | | | |
|---------+--------+------------+------+-------+------+------|
| 166MHz | 60MHz | 2.5x | 2 & | 2 & 3 | 1 & | 1 & |
| | | | 3 | | 2 | 2 |
|---------+--------+------------+------+-------+------+------|
| 200MHz | 66MHz | 2.5x | 2 & | 2 & 3 | Open | 1 & |
| | | | 3 | | | 2 |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| speed | speed | | | | | |
|---------+--------+------------+------+-------+------+------|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & 2 | 1 & | 1 & |
| | | | 2 | | 2 | 2 |
|---------+--------+------------+------+-------+------+------|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & 2 | Open | 1 & |
| | | | 2 | | | 2 |
|---------+--------+------------+------+-------+------+------|
| 120MHz | 60MHz | 2x | 1 & | 1 & 2 | 1 & | 1 & |
| | | | 2 | | 2 | 2 |
|---------+--------+------------+------+-------+------+------|
| 133MHz | 66MHz | 2x | 2 & | 1 & 2 | Open | 1 & |
| | | | 3 | | | 2 |
|---------+--------+------------+------+-------+------+------|
| 150MHz | 60MHz | 2.5x | 1 & | 1 & 2 | Open | 1 & |
| | | | 2 | | | 2 |
|---------+--------+------------+------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & 3 | Open | 1 & |
| | | | 3 | | | 2 |
|------------------------------------------------------------|
| Note: Pins designated are in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP9 | JP10 | JP12 | JP13 |
| speed | speed | | | | | |
|---------+--------+------------+------+-------+------+------|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & 3 | Open | 1 & |
| | | | 3 | | | 2 |
|---------+--------+------------+------+-------+------+------|
| 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/ 1 & |JP7/ 3 & |JP7/ 5 & |JP7/ 7 &|
| | | | 2 | 4 | 6 | 8 |
|-------+------+------+---------+---------+---------+--------|
| 3.3V |Closed|Closed| Open | Closed | Closed | Closed |
|-------+------+------+---------+---------+---------+--------|
| 3.5V |Closed|Closed| Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
|V I/O|V core|JP1 |JP5 |JP7/1 & 2|JP7/3 & 4|JP7/5 & |JP7/7 & |
| | | | | | | 6 | 8 |
|-----+------+----+----+---------+---------+--------+--------|
|3.3V | 2.2V |Open|Open| Open | Closed | Open | Open |
|-----+------+----+----+---------+---------+--------+--------|
|3.3V | 2.8V |Open|Open| Open | Open | Open | Closed |
|-----+------+----+----+---------+---------+--------+--------|
|3.3V | 2.9V |Open|Open| Closed | Open | Open | Closed |
|-----+------+----+----+---------+---------+--------+--------|
|3.3V | 3.2V |Open|Open| Closed | Open | Closed | Closed |
+------------------------------------------------------------+