LION COMPUTERS, INC. NICE PLUS 486 DX/SX-50 Processor 80486SX/80487SX/80486DX Processor Speed 16/20/25/33/50MHz Chip Set ETEQ Max. Onboard DRAM 32MB Cache 64/256KB BIOS AMI/MR/Phoenix Dimensions 330mm x 218mm I/O Options 32-bit external memory card slot NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED JP0 Power LED & keylock JP3 Turbo switch JP0A External battery JP21 Reset switch JP1 32-bit external memory S1 card Speaker JP2 USER CONFIGURABLE SETTINGS Function Jumper Position » NPU wait states select 0 JP16 Open NPU wait state select 1 JP16 Closed » CMOS memory normal operation JP17 Open CMOS memory clear JP17 Closed » Factory configured - do not alter JP18 Closed » Monitor type select color JP20 Closed Monitor type select monochrome JP20 Open DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 5MB (4) 256K x 9 (4) 1M x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 256K x 9 (4) 4M x 9 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Bank 0 TAG Location 64KB (8) 8K x 8 (1) 8K x 8 U205 64KB (8) 8K x 8 (2) 16K x 4 U501 & U502 256KB (8) 32K x 8 (2) 16K x 4 U501 & U502 CACHE JUMPER CONFIGURATION Size JP10 JP11 JP12 JP13 JP14 64KB Open Open Open 2 & 3 2 & 3 256KB Closed Closed Closed 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP5 JP6 JP8 JP9 80486SX Open Open pins 1 & 2 Open closed 80487SX Closed Closed pins 2 & 3 pins 1 & 2 closed closed 80486DX Open Closed pins 2 & 3 pins 2 & 3 closed closed CPU SPEED CONFIGURATION Speed JP0B JP0C JP4 JP7 16MHz pins 1 & 2 pins 1 & 2 Closed pins 1 & 2 closed closed closed 20MHz pins 1 & 2 pins 1 & 2 Closed pins 1 & 2 closed closed closed 25MHz pins 2 & 3 pins 1 & 2 Closed pins 1 & 2 closed closed closed 33MHz pins 2 & 3 pins 1 & 2 Open pins 1 & 2 closed closed closed 50MHz pins 2 & 3 pins 2 & 3 Open pins 2 & 4 closed closed closed