VEXTREC TECHNOLOGY, INC. GMB-P56IPS (VER. 1.06) Processor CX 6X86/AM K5/Pentium/Pentium MMX Processor Speed 75/90/100/120/133/150/166/200MHz Chip Set Intel 430VX Maximum Onboard 128MB (EDO supported) Memory Cache 256/512KB BIOS AMI/Award Dimensions 270mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, IR connector, USB connectors (2) [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J1 Parallel port J13 Green PC connector J2 Serial port 2 J14 Green PC LED J3 Serial port 1 J15 Speaker J4 USB connector 1 J16 IDE interface LED J5 USB connector 2 J17 Power LED & keylock J6 PS/2 mouse interface J18 IDE interface 1 J9 PS/2 mouse port J20 IDE interface 2 J10 Cache slot SL1 Floppy drive interface J11 32-bit PCI slots PC1 - PC4 IR connector J12 USER CONFIGURABLE SETTINGS Function Label Position Flash BIOS voltage select 12v JP4 Pins 1 & 2 closed Flash BIOS voltage select 5v JP4 Pins 2 & 3 closed » CMOS memory normal operation JP5 Open CMOS memory clear JP5 Closed DIMM/DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB None None (1) 1M x 64 8MB (2) 1M x 32 None None 16MB (2) 1M x 32 (2) 1M x 32 None 16MB (2) 2M x 32 None None 16MB None None (1) 2M x 64 24MB (2) 2M x 32 (2) 1M x 32 None 24MB None (2) 1M x 32 (1) 2M x 64 32MB None (2) 4M x 32 None 32MB None None (1) 4M x 64 32MB (2) 2M x 32 (2) 2M x 32 None 32MB None (2) 2M x 32 (1) 2M x 64 40MB (2) 4M x 32 (2) 1M x 32 None 40MB None (2) 1M x 32 (1) 4M x 64 40MB None (1) 4M x 64 (1) 1M x 64 48MB (2) 2M x 32 (2) 4M x 32 None 48MB None (2) 2M x 32 (1) 4M x 64 48MB None (2) 4M x 32 (1) 2M x 64 64MB (2) 8M x 32 None None 64MB None None (1) 8M x 64 64MB None (2) 4M x 32 (1) 4M x 64 72MB (2) 8M x 32 (2) 1M x 32 None 72MB None (2) 1M x 32 (1) 8M x 64 72MB None (2) 8M x 32 (1) 1M x 64 DIMM/DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 80MB (2) 8M x 32 (2) 2M x 32 None 80MB None (2) 8M x 32 (1) 2M x 64 80MB None (2) 2M x 32 (1) 8M x 64 96MB (2) 8M x 32 (2) 4M x 32 None 96MB None (2) 8M x 32 (1) 4M x 64 96MB None (2) 4M x 32 (1) 8M x 64 128MB (2) 4M x 32 (2) 4M x 32 None Note: Board accepts EDO memory. Banks 0 & 1 are interchangeable. DRAM VOLTAGE CONFIGURATION Voltage S7 S8 3.3v Pins 2 & 3 closed Pins 2 & 3 closed 5v Pins 1 & 2 closed Pins 1 & 2 closed CACHE CONFIGURATION Size Bank 0 SL1 TAG 256KB (2) 32K x 32 Not installed (1) 8K/16K/32K x 8 512KB (2) 32K x 32 256KB module (1) 8K/16K/32K x 8 installed CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JP6 JP7 S1 S2 S3 speed speed 120MHz 50MHz 2x 1 & 2 & Closed Closed Open 2 3 133MHz 55MHz 2x 1 & 2 & Open Closed Open 2 3 150MHz 60MHz 2x 1 & 2 & Closed Open Open 2 3 166MHz 66MHz 2x 1 & 2 & Open Open Open 2 3 200MHz 66MHz 3x 2 & 1 & Open Open Closed 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (AMD) CPU Clock Multiplier JP6 JP7 S1 S2 S3 speed speed 75MHz 50MHz 1.5x 1 & 1 & Closed Closed Open 2 2 90MHz 60MHz 1.5x 1 & 1 & Closed Open Open 2 2 100MHz 66MHz 1.5x 1 & 1 & Open Open Open 2 2 120MHz 60MHz 1.5x 1 & 1 & Closed Open Open 2 2 133MHz 66MHz 1.5x 1 & 1 & Open Open Open 2 2 150MHz 66MHz 1.5x 1 & 1 & Open Open Open 2 2 166MHz 66MHz 2.5x 2 & 2 & Open Open Open 3 3 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JP6 JP7 S1 S2 S3 speed speed 75MHz 50MHz 1.5x 1 & 1 & Closed Closed Open 2 2 90MHz 60MHz 1.5x 1 & 1 & Closed Open Open 2 2 100MHz 66MHz 1.5x 1 & 1 & Open Open Open 2 2 120MHz 60MHz 2x 1 & 2 & Closed Open Open 2 3 133MHz 66MHz 2x 1 & 2 & Open Open Open 2 3 150MHz 60MHz 2.5x 2 & 2 & Closed Open Open 3 3 166MHz 66MHz 2.5x 2 & 2 & Open Open Open 3 3 200MHz 66MHz 3x 2 & 1 & Open Open Open 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier JP6 JP7 S1 S2 S3 speed speed 166MHz 66MHz 2.5x 2 & 2 & Open Open Open 3 3 200MHz 66MHz 3x 2 & 1 & Open Open Open 3 2 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION (SINGLE) Voltage JP1 S4 S5 S6 3.4v Closed Closed Closed Closed 3.5v Open Closed Closed Closed CPU VOLTAGE SELECTION (DUAL) Voltage V core JP1 S4 S5 S6 3.4v 2.8v Closed Open Open Open