ASUS COMPUTER INTERNATIONAL VL/ISA-486SV2 VERSION 1.7 Processor 80486SX/80487SX/80486DX/ODP486SX/ 80486DX2 Processor Speed 20/25/33/40/50(internal)/50/66(internal)MHz Chip Set SIS Max. Onboard DRAM32MB Cache 64/128/256KB BIOS AMI Dimensions 246mm x 221mm I/O Options 32-bit VESA local bus slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery BCON1 Speaker CON4 Turbo switch CON1 Power LED & keylock CON5 Turbo LED CON2 32-bit VESA local bus S1 slot Reset switch CON3 32-bit VESA local bus S2 slot USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » CMOS memory normal operation BJP1 pins 1 & 2 (Internal Battery) closed CMOS memory normal operation BJP1 pins 2 & 3 (External Battery) closed CMOS memory clear BJP1 Open » Factory configured - do not JP1 pins 2 & 3 alter closed » Monitor type select EGA, JP2 pins 1 & 2 Mono, VGA, or any other closed Monitor type select CGA JP2 pins 2 & 3 closed » Factory configured - do not TP2 Closed alter » Factory configured - do not TP5 Open alter » Factory configured - do not TP13 pins 1 & 2 alter closed » Factory configured - do not TP14 pins 1 & 2 alter closed » Factory configured - do not TP15 pins 1 & 2 alter closed » Factory configured - do not TP16 pins 1 & 2 alter closed » Factory configured - do not TP17 pins 2 & 3 alter closed » Factory configured - do not TP25 pins 1 & 2 alter closed » Factory configured - do not TP26 Open alter » Factory configured - do not TP27 pins 1 & 2 alter 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 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 CJ1 CJ2 CJ3 64KB pins 2 & 3 pins 2 & 3 Open closed closed 128KB pins 1 & 2 Open Closed closed 256KB pins 1 & 2 pins 1 & 2 Open closed closed CPU TYPE CONFIGURATION Type Package CPJ1 CPJ2 CPJ3 80486SX PGA Open pins 2 & 3 pins 2 & 3 closed closed 80486SX PQFP pins 1 & 2 pins 1 & 2 and pins 1 & 2 closed 3 & 4 closed closed 80487SX PGA pins 1 & 2 pins 1 & 2 and pins 1 & 2 closed 3 & 4 closed closed 80486DX PGA pins 2 & 3 pins 1 & 2 and pins 2 & 3 closed 3 & 4 closed closed ODP486SX PGA pins 1 & 2 pins 1 & 2 and pins 1 & 2 closed 3 & 4 closed closed 80486DX2 PGA pins 2 & 3 pins 1 & 2 and pins 2 & 3 closed 3 & 4 closed closed CPU TYPE CONFIGURATION Type JP22 AMD pins 2 & 3 closed Intel pins 2 & 3 closed Cyrix pins 1 & 2 closed CPU SPEED CONFIGURATION Speed OSC1 CS1 CS2 CS3 20MHz 20MHz pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed 25MHz 25MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 33MHz 33MHz pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed 40MHz 40MHz pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 50iMHz 25MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 50MHz 50MHz pins 2 & 3 pins 1 & 2 pins 1 & 2 closed closed closed 66iMHz 33MHz pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed