SOYO COMPUTER CO., LTD. SY-5TA2, SY-5TA5 Device Type Mainboard Processor Pentium Processor Speed 75/90/100/120/133/150MHz Chip Set Intel Video Chip Set None Maximum Onboard Memory 128MB (EDO supported) Maximum Video Memory None Cache 256/512KB BIOS Unidentified Dimensions 254mm x 218mm I/O Options 32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), VRM connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Speaker J18 Serial port 2 CN2 Reset switch J19 Floppy drive interface CN3 Turbo LED J22 Parallel port CN4 Green PC connector JP15 IDE interface 2 CN5 IDE interface LED JP16 IDE interface 1 CN6 32-bit PCI slots PC1 – PC4 Power LED & keylock J17 VRM connector VRM USER CONFIGURABLE SETTINGS Function Label Position » Factory configured - do not J3 Unidentified alter » Monitor type select EGA/VGA JP3 Closed Monitor type select monochrome JP3 Open » Factory configured - do not JP4 Unidentified alter » Factory configured - do not JP5 Unidentified alter » Factory configured - do not JP13 Closed alter » Factory configured - do not JP14 Pins 1 & 2 closed alter » Factory configured - do not JP21 Unidentified alter » Factory configured - do not JP22 Open alter » Factory configured - do not JP23 Unidentified alter » Factory configured - do not JP24 Unidentified alter » Factory configured - do not JP25 Closed alter » Factory configured - do not JP26 Closed alter » Pipeline address enabled JP30 Closed Pipeline address disabled JP30 Open » Cache type select write back JP31 Open Cache type select write JP31 Closed through » CMOS memory normal operation JP32 Open CMOS memory clear JP32 Closed SIMM 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 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 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) 512K x 36 (2) 1M 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) 512K x 36 (2) 2M 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 36MB (2) 512K x 36 (2) 4M x 36 40MB (2) 4M x 36 (2) 1M x 36 48MB (2) 2M x 36 (2) 4M x 36 64MB (2) 8M x 36 None 64MB (2) 4M x 36 (2) 4M x 36 68MB (2) 8M x 36 (2) 512K x 36 72MB (2) 1M x 36 (2) 8M x 36 80MB (2) 8M x 36 (2) 2M x 36 96MB (2) 4M x 36 (2) 8M x 36 128MB (2) 8M x 36 (2) 8M x 36 Note: Board accepts EDO memory. CACHE CONFIGURATION Size Bank 0 TAG 256KB (8) 32K x 8 (1) 8K/16K x 8 512KB (8) 64K x 8 (1) 16K x 8 CACHE JUMPER CONFIGURATION Size JP12 JP27 JP28 256KB Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 512KB Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed CACHE VOLTAGE CONFIGURATION Voltage JP1 JP2 3.3v Open Pins 1 & 2, 3 & 4, 5 & 6 closed Mixed Pins 1 & 2, 3 & 4, 5 Open & 6 closed CPU SPEED SELECTION CPU Clock Multiplier JP17 JP18 JP19 JP29 JP38 speed speed 75MHz 50MHz 1.5x 1 & Open Open Open Open 2 90MHz 60MHz 1.5x 2 & Closed Open Open Open 3 100MHz 66MHz 1.5x 2 & Closed Closed Open Open 3 120MHz 60MHz 2x 2 & Closed Open Closed Open 3 133MHz 66MHz 2x 2 & Closed Closed Closed Open 3 150MHz 60MHz 2.5x 2 & Closed Open Closed Closed 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION Type J23 J24 J25 » STD Open Open Closed VRE Open Closed Open DMA/PIO CHANNEL SELECTION Setting JP10 JP11 » PIO mode Pins 2 & 3 closed Pins 2 & 3 closed DMA mode Pins 1 & 2 closed Pins 1 & 2 closed PCI IRQ10 SELECTION Setting JP6 JP7 JP8 JP9 INT A Open Open Open Pins 1 & 2 closed INT B Open Open Open Pins 2 & 3 closed INT C Pins 1 & 2 Open Open Open closed INT D Pins 2 & 3 Open Open Open closed PCI IRQ11 SELECTION Setting JP6 JP7 JP8 JP9 INT A Open Open Pins 1 & 2 Open closed INT B Open Open Pins 2 & 3 Open closed INT C Open Pins 1 & 2 Open Open closed INT D Open Pins 2 & 3 Open Open closed FLASH BIOS SELECTION Setting JP33 JP34 » EPROM Pins 1 & 2 closed Pins 2 & 3 closed Flash Pins 2 & 3 closed Pins 1 & 2 closed