MICROWISE, INC. 486A-33 Processor 80486SX/80487SX/80486DX Processor Speed 20/25/33/50MHz Chip Set SIS Max. Onboard DRAM 32MB Cache 32/64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit external memory card slot NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock CN1 Reset switch JP1 Speaker CN2 Turbo switch JP3 External battery CN3 Turbo LED JP5 32-bit external memory J1 card USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP2 pins 1 & 2 closed CMOS memory clear JP2 pins 2 & 3 closed » Factory configured - do not alter JP4 N/A » Monitor type select color JP15 Closed Monitor type select monochrome JP15 Open » Factory configured - do not alter JP19 N/A » Factory configured - do not alter JP20 N/A DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 NONE NONE NONE 2MB (4) 256K x 9 (4) 256K x 9 NONE NONE 4MB (4) 1M x 9 NONE NONE NONE 6MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 10MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE NONE NONE 18MB (4) 256K x 9 (4) 256K x 9 (4) 4M x 9 NONE 20MB (4) 1M x 9 (4) 4M x 9 NONE NONE 24MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9 NONE NONE 36MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 NONE 40MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 48MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 NONE 64MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 Note:Banks 2 & 3 are used when a 32-bit external memory card is installed at J1. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 32KB (4) 8K x 8 NONE (3) 16K x 4 64KB (4) 8K x 8 (4) 8K x 8 (3) 16K x 4 128KB (4) 32K x 8 NONE (3) 16K x 4 256KB (4) 32K x 8 (4) 32K x 8 (3) 16K x 4 CACHE JUMPER CONFIGURATION Size JP9 JP10 JP11 JP12 JP13 JP14 JP16 JP17 JP18 32KB 1 & 1 & 1 & 1 & 1 & 1 & 1 & 1 & 1 & 2 2 2 2 2 2 2 2 2 64KB 1 & 1 & 2 & 1 & 2 & 1 & 2 & 1 & 1 & 2 2 2 3 2 3 2 3 2 128KB 1 & 2 & 2 & 2 & 2 & 1 & 1 & 1 & 2 & 3 2 3 3 3 3 2 2 2 256KB 2 & 2 & 2 & 2 & 2 & 2 & 2 & 2 & 2 & 3 3 3 3 3 3 3 3 3 Note:Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP6 JP7 JP8 80486SX Open Open pins 2 & 3 closed 80487SX Closed pins 2 & 3 closed pins 1 & 2 closed 80486DX Closed pins 1 & 2 closed pins 1 & 2 closed