VEXTREC TECNHOLOGY, INC. GMB-P54SPS (VER. 2.00) Processor CX M1/Pentium Processor Speed 75/90/100/120/133MHz Chip Set SIS 85C50X or 85C550X Video Chip Set None Maximum Onboard Memory 128MB (EDO supported) Maximum Video Memory None Cache 256/512/1024KB BIOS Award Dimensions 270mm x 220mm I/O Options 32-bit PCI slots (4), floppy drive interface, game interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Chassis fan power J1 IDE interface 1 J9 IDE interface LED J2 Serial port 1 J12 Power LED & keylock J3 Serial port 2 J13 Speaker J4 Game interface J14 Turbo switch J5 Parallel port J15 Turbo LED J6 Floppy drive J16 interface Reset switch J7 Green PC connector JP11 IDE interface 2 J8 32-bit PCI slots PC1 - PC4 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP1 Pins 1 & 2 closed CMOS memory clear JP1 Pins 2 & 3 closed » Cache write cycle invalid during JP4 Pins 2 & 3 write cycle closed Cache write cycle always invalid JP4 Pins 1 & 2 closed » CPU pipeline mode disabled JP5 Pins 1 & 2 closed CPU pipeline mode enabled JP5 Pins 2 & 3 closed » CPU internal cache write select JP6 Pins 1 & 2 write back closed CPU internal cache write select JP6 Pins 2 & 3 write through closed » Monitor type select color JP12 Closed Monitor type select monochrome JP12 Open » Parallel port IRQ select IRQ7 JP18 Pins 1 & 2 closed Parallel port IRQ select IRQ5 JP18 Pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 2MB (2) 256K x 36 None 4MB (2) 512K x 36 None 4MB (2) 256K x 36 (2) 256K x 36 6MB (2) 512K x 36 (2) 256K x 36 8MB (2) 1M x 36 None 8MB (2) 512K x 36 (2) 512K x 36 10MB (2) 1M x 36 (2) 256K x 36 12MB (2) 1M x 36 (2) 512K x 36 16MB (2) 2M x 36 None 16MB (2) 1M x 36 (2) 1M x 36 18MB (2) 2M x 36 (2) 256K x 36 20MB (2) 2M x 36 (2) 512K x 36 24MB (2) 2M x 36 (2) 1M x 36 32MB (2) 4M x 36 None 32MB (2) 2M x 36 (2) 2M x 36 34MB (2) 4M x 36 (2) 256K x 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 36MB (2) 4M x 36 (2) 512K x 36 40MB (2) 1M x 36 (2) 4M x 36 48MB (2) 4M x 36 (2) 2M x 36 64MB (2) 8M x 36 None 64MB (2) 4M x 36 (2) 4M x 36 66MB (2) 8M x 36 (2) 256K x 36 68MB (2) 512K x 36 (2) 8M x 36 72MB (2) 8M x 36 (2) 1M x 36 80MB (2) 2M x 36 (2) 8M x 36 96MB (2) 8M x 36 (2) 4M x 36 128MB (2) 16M x 36 None 128MB (2) 8M x 36 (2) 8M x 36 Note: Board accepts EDO memory. Banks are interchangeable. CACHE CONFIGURATION Size Bank 0 TAG 256KB (8) 32K x 8 (1) 8K/16K x 8 512KB (8) 64K x 8 (1) 16K/32K x 8 1MB (8) 128K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP7 JP8 JP9 256KB Pins 1 & 2 Pins 1 & 2 Closed closed closed 512KB Pins 2 & 3 Pins 1 & 2 Open closed closed 1MB Pins 2 & 3 Pins 2 & 3 Closed closed closed CPU SPEED SELECTION CPU Clock Multiplier JP0 S0 S1 S2 speed speed 75MHz 50MHz 1.5x 1 & Open Open Closed 2 90MHz 60MHz 1.5x 1 & Open Closed Open 2 100MHz 66MHz 1.5x 1 & Closed Open Closed 2 120MHz 60MHz 2x 2 & Open Closed Open 3 133MHz 66MHz 2x 2 & Closed Open Closed 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type JP01 CX M1 Closed P54C/CS/C-VR Closed P54CT/C-VRE Open DMA CHANNEL SELECTION Channel JP22 JP23 » Printer Open Open 1 Pins 1 & 3 closed Pins 1 & 3 closed 3 Pins 2 & 4 closed Pins 2 & 4 closed BIOS SELECTION Type JP2 JP3 » EPROM Pins 2 & 3 closed Pins 2 & 3 closed 12v flash Pins 1 & 2 closed Pins 1 & 2 closed 5v flash Pins 2 & 3 closed Pins 1 & 2 closed