SILICON STAR INTERNATIONAL, INC. AR4 Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 40/50(internal)/60/66(internal)MHz Chip Set ALI Max. Onboard DRAM 32MB Cache None BIOS Award Dimensions 330mm x 218mm I/O Options None NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery J4 Turbo switch/LED J21 Reset switch J19 Keylock J22 Speaker J20 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP1 pins 2 & 3 closed Monitor type select monochrome JP1 pins 1 & 2 closed Factory configured - do not JP2 on alter CPU set at 80486SX (PQFP) JP7 pins 1 & 2 closed CPU set at 80486SX (PGA) JP7 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 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9 CPU TYPE CONFIGURATION CPU Type JP4 JP5 80486SX Open pin 1 & 2 closed 80487SX pins 1 & 2 closed pins 2 & 3 closed 80486DX pins 2 & 3 closed pins 2 & 3 closed 80486DX2 pins 2 & 3 closed pins 2 & 3 closed AT BUS CLOCK CONFIGURATION Speed JP3 JP6 40MHz pins 2 & 3 closed pins 1 & 2 closed 50MHz pins 1 & 2 closed pins 2 & 3 closed 66MHz pins 1 & 2 closed pins 1 & 2 closed