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 Memory | 256MB (EDO & SDRAM supported) |
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 |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
IDE interface LED | J2/pins 1 & 2 | PS/2 mouse interface | J12/pins 6 - 10 |
Turbo LED | J2/pins 3 & 4 | USB connector 2 | J12/pins 12 - 15 |
Green PC connector | J2/pins 5 & 6 | IR connector | J12/pins 16 - 20 |
Reset switch | J2/pins 9 & 10 | Serial port 1 | J13 |
Power LED & keylock | J2/pins 11 - 15 | Serial port 2 | J14 |
Speaker | J2/pins 17 - 20 | Parallel port | J15 |
IDE interface 2 | J10 | Floppy drive interface | J16 |
IDE interface 1 | J11 | PS/2 mouse port | J19 |
USB connector 1 | J12/pins 2 - 5 | 32-bit PCI slots | PC1 - PC4 |
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
| » | 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 Speed | Clock speed | Multiplier | JP9 | JP10 | JP12 | JP13 |
90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | Open | 1 & 2 |
233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | Open | 1 & 2 |
120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
133MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | Open | 1 & 2 |
150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 |
166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | Open | 1 & 2 |
200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | Open | 1 & 2 |
Note: Pins designated are in the closed position. | ||||||
CPU SPEED SELECTION (INTEL MMX) | ||||||
CPU Speed | Clock speed | Multiplier | JP9 | JP10 | JP12 | JP13 |
166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | Open | 1 & 2 |
200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | Open | 1 & 2 |
233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | Open | 1 & 2 |
Note: Pins designated are in the closed position. | ||||||
CPU SPEED SELECTION (CX 6X86) | ||||||
CPU speed | Clock speed | Multiplier | JP9 | JP10 | JP12 | JP13 |
133MHz | 55MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2, 3 & 4 | 1 & 2 |
150MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 |
166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | Open | 1 & 2 |
200MHz | 75MHz | 2x | 2 & 3 | 1 & 2 | 3 & 4 | 1 & 2 |
Note: Pins designated are in the closed position. | ||||||
CPU SPEED SELECTION (CX 6X86MX) | ||||||
CPU speed | Clock speed | Multiplier | JP9 | JP10 | JP12 | JP13 |
166MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 |
200MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | Open | 1 & 2 |
Note: Pins designated are in the closed position. | ||||||
CPU SPEED SELECTION (AMD K5) | ||||||
CPU speed | Clock speed | Multiplier | JP9 | JP10 | JP12 | JP13 |
90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | Open | 1 & 2 |
120MHz | 60MHz | 2x | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
133MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | Open | 1 & 2 |
150MHz | 60MHz | 2.5x | 1 & 2 | 1 & 2 | Open | 1 & 2 |
166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | Open | 1 & 2 |
Note: Pins designated are in the closed position. | ||||||
CPU SPEED SELECTION (AMD K6) | ||||||
CPU speed | Clock speed | Multiplier | JP9 | JP10 | JP12 | JP13 |
166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | Open | 1 & 2 |
200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | Open | 1 & 2 |
233MHz | 66MHz | 3.5x | 1 & 2 | 1 & 2 | Open | 1 & 2 |
266MHz | 66MHz | 4x | 2 & 3 | 1 & 2 | Open | 2 & 3 |
Note: Pins designated are in the closed position. | ||||||
CPU VOLTAGE SELECTION (SINGLE) | ||||||
Voltage | JP1 | JP5 | JP7/ 1 & 2 | JP7/ 3 & 4 | JP7/ 5 & 6 | JP7/ 7 & 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 & 6 | JP7/7 & 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 |