WYSE TECHNOLOGY, INC. WYSE DECISION 486GSI Processor 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/50(internal)/50/66(internal)MHz Chip Set Unidentified Max. Onboard 64MB DRAM Cache 128/256KB BIOS Unidentified Dimensions 254mm x 218mm I/O Options PS/2 mouse port, parallel port, serial ports (2), VGA port, VGA feature connector, floppy drive interface, IDE interface, riser slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Floppy drive CN1 Speaker J11 interface IDE interface CN2 Power LED & J12 keylock VGA port CN3 Reset switch J13 Parallel port CN4 Chassis fan power J15 Serial port 1 CN5 Turbo LED JP29 Serial port 2 CN6 IDE interface LED JP31 PS/2 mouse port CN7 Turbo switch JP32 External battery J1 LED connector JP38 pins 3 - 10 VGA feature J9 Riser Card SL1 connector USER CONFIGURABLE SETTINGS Function Jumper Position » Battery type select internal JP1 pins 1 & 2 closed Battery type select external JP1 Open CMOS memory clear JP1 pins 2 & 3 closed » VGA controller enabled JP2 pins 1 & 2 closed VGA controller disabled JP2 pins 2 & 3 closed » VGA IRQ9 enabled JP3 pins 1 & 2 closed VGA IRQ9 disabled JP3 pins 2 & 3 closed » Speaker type select internal JP28 pins 2 & 3 closed Speaker type select external JP28 pins 1 & 2 closed » Turbo LED enabled JP29 pins 1 & 2 closed Turbo LED disabled JP29 pins 2 & 3 closed » Turbo switch enabled JP32 pins 1 & 2 closed Turbo enabled disabled JP32 pins 2 & 3 closed » Parallel port enabled JP33 pins 1 & 2 closed Parallel port disabled JP33 pins 2 & 3 closed » IDE interface enabled JP34 pins 1 & 2 closed IDE interface disabled JP34 pins 2 & 3 closed » Floppy drive interface enabled JP35 pins 1 & 2 closed Floppy drive interface disabled JP35 pins 2 & 3 closed » Serial port 1 enabled JP36 pins 1 & 2 closed Serial port 1 disabled JP36 pins 2 & 3 closed » Serial port 2 enabled JP37 pins 1 & 2 closed Serial port 2 disabled JP37 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 1M x 36 (1) 256K x NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 9MB (1) 1M x 36 (1) 1M x 36 (1) 256K x NONE 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 13MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 4M x 36 (1) 256K x NONE NONE 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE 36 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x NONE 36 22MB (1) 4M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 25MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x NONE 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 37MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 256K x 36 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 49MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 256K x 36 52MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP6 JP7 JP8 JP9 None Open Open Open Open 128KB pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed 256KB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed CPU TYPE CONFIGURATION Type JP12 JP13 80486SX pins 2 & 3 closed Open 80487SX pins 1 & 2, 3 & 4 pins 1 & 2 closed closed 80486DX pins 1 & 2, 3 & 4 pins 2 & 3 closed closed 80486DX2 pins 1 & 2, 3 & 4 pins 2 & 3 closed closed Pentium Overdrive pins 1 & 2, 3 & 4 pins 2 & 3 closed closed CPU SPEED CONFIGURATION Speed JP14 JP15 JP16 25MHz pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed 33MHz pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed 50iMHz pins 2 & 3 pins 2 & 3 pins 1 & 2 closed closed closed 50MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 66iMHz pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed VRAM CONFIGURATION Size Bank 0 Bank 1 512KB (4) 256K x 4 NONE 1MB (4) 256K x 4 (4) 256K x 4