UNIDENTIFIED NE486VL2 Processor 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive Processor Speed 20/25/33/50(internal)/50/66(internal)MHz Chip Set Unidentified Max. Onboard DRAM32MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery JP2 Turbo switch JP15 Reset switch JP3 Turbo LED JP16 Power LED & keylock JP9 32-bit VESA local SL1 & SL2 bus slots Speaker JP10 USER CONFIGURABLE SETTINGS Function Jumper Position » Battey type select internal JP2 pins 1 & 2 closed Battery type select external JP2 Closed » Factory configured - do not JP5 Open alter » CMOS memory normal operation JP6 pins 1 & 2 closed CMOS memory clear JP6 pins 2 & 3 closed 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 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 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 JP8A JP8B JP8D JP8E 64KB pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed 128KB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 256KB pins 2 & 3 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed CPU TYPE CONFIGURATION Type JP12 JP13 JP29 JP30 80486SX/DX(PQFP) pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed 80486SX pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed 80487SX pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed 80486DX pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 80486DX2 pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed P23T pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed closed CPU SPEED CONFIGURATION Speed JP7A JP7B JP7C 20MHz pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 25MHz pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed 33MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 50iMHz pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed 50MHz pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed 66iMHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed VESA WAIT STATE CONFIGURATION Wait states JP102 0 wait states pins 1 & 2 closed 1 wait state pins 2 & 3 closed BUS SPEED CONFIGURATION CPU speed JP103 <= 33MHz pins 1 & 2 closed > 33MHz pins 2 & 3 closed