VEXTREC TECHNOLOGY INC. GMB-P57IAX (VER. 1.20) Processor CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium/Pentium MMX Processor Speed 90/100/120/133/150/166/200/233/266MHz Chip Set Intel 430TX Video Chip Set None Maximum Onboard 256MB (EDO & SDRAM supported) Memory Maximum Video None Memory Cache 256/512KB BIOS AMI Dimensions 304mm x 210mm I/O Options 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power ATX Reset switch J1/pins 9 & connector 10 Parallel port CN1 Power LED & J1/pins 11 - keylock 15 Serial port 2 CN2 Speaker J1/pins 17 - 20 Serial port 1 CN3 IDE interface 1 J6 USB connector 1 CN4 IDE interface 2 J7 USB connector 2 CN5 Floppy drive J9 interface PS/2 mouse port CN6 IR connector JP4 IDE interface LED J1/pins 1 & 2 32-bit PCI slots PCI – PC4 Power button J1/pins 5 & 6 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP3 Pins 1 & 2 closed Flash BIOS voltage select 5v JP3 Pins 2 & 3 closed Ring in select COM1 JP11 Pins 1 & 2 closed Ring in select COM2 JP11 Pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 32 None 16MB (2) 2M x 32 None 16MB (2) 1M x 32 (2) 1M x 32 24MB (2) 2M x 32 (2) 1M x 32 32MB (2) 4M x 32 None 32MB (2) 2M x 32 (2) 2M x 32 40MB (2) 4M x 32 (2) 1M x 32 48MB (2) 4M x 32 (2) 2M x 32 64MB (2) 8M x 32 None 64MB (2) 4M x 32 (2) 4M x 32 72MB (2) 8M x 32 (2) 1M x 32 80MB (2) 8M x 32 (2) 2M x 32 96MB (2) 8M x 32 (2) 4M x 32 128MB (2) 8M x 32 (2) 8M x 32 128MB (2) 16M x 32 None 136MB (2) 16M x 32 (2) 1M x 32 144MB (2) 16M x 32 (2) 2M x 32 160MB (2) 16M x 32 (2) 4M x 32 192MB (2) 16M x 32 (2) 8M x 32 256MB (2) 16M x 32 (2) 16M x 32 Note: Board accepts EDO & SDRAM memory. DIMM CONFIGURATION Size Bank 0 Bank 1 8MB (1) 1M x 64 None 16MB (1) 2M x 64 None 16MB (1) 1M x 64 (1) 1M x 64 24MB (1) 2M x 64 (1) 1M x 64 32MB (1) 4M x 64 None 32MB (1) 2M x 64 (1) 2M x 64 40MB (1) 4M x 64 (1) 1M x 64 48MB (1) 4M x 64 (1) 2M x 64 64MB (1) 8M x 64 None 64MB (1) 4M x 64 (1) 4M x 64 72MB (1) 8M x 64 (1) 1M x 64 80MB (1) 8M x 64 (1) 2M x 64 96MB (1) 8M x 64 (1) 4M x 64 128MB (1) 8M x 64 (1) 8M x 64 CACHE CONFIGURATION Size Bank 0 TAG 256KB (2) 32K x 32 Unidentified 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 150MHz 60MHz 2x On Off Off On Off Off 166MHz 66MHz 2x On Off Off Off Off Off 200MHz 75MHz 2x On Off Off Off On Off CPU SPEED SELECTION (CX 6X86L) CPU Clock Multiplier SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 SW1/8 speed speed 150MHz 60MHz 2x On Off Off On Off Off 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 60MHz 2.5x On On Off On Off Off 200MHz 66MHz 2.5x On On Off Off Off Off 200MHz 75MHz 2x On Off Off Off On Off 233MHz 75MHz 2.5x On On 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 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 VOLTAGE SELECTION (SINGLE) Voltage JP9 JP10 JP12 JP13 JP14 3.3v 1 & 2 1 & 2, 3 Closed Open Closed & 4 3.5v 1 & 2, 1 & 2, 3 Closed Open Closed 3 & 4 & 4 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION (DUAL) Voltage V core JP9 JP10 JP12 JP13 JP14 3.3v 2.8v Open Open Open 1 & 3, Closed 2 & 4 3.3v 2.9v 3 & 4 Open Open 1 & 3, Closed 2 & 4 3.3v 3.2v Open Open Closed 1 & 3, Closed 2 & 4 Note: Pins designated should be in the closed position.