BEK-TRONIC TECHNOLOGY, INC. BEK-4806 Processor 80486SX/80487SX/80486DX Processor Speed 50MHz Chip Set ACC Max. Onboard DRAM 32MB Cache 32/64/128/256KB BIOS Unidentified Dimensions 220mm x 220mm I/O Options None NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J1 Speaker J4 Turbo switch J2 Power LED & keylock J5 Turbo LED J3 External battery J6 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP1 pins 1 & 2 closed Monitor type select monochrome JP1 pins 2 & 3 closed Note:The settings for this jumper are unidentified. 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 32KB (4) 8K x 8 NONE (1) 8K x 8 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JK1 JK2 JK3 JK6 32KB 1 & 2, 3 & 1 & 2, 3 & 1 & 2, 3 & 1 & 2 4 4 4 64KB 1 & 2, 3 & 2 & 3, 4 & 1 & 2, 3 & 2 & 3 4 5 4 128KB 2 & 3, 4 & 1 & 2, 4 & 1 & 2, 3 & 1 & 2 5 5 4 256KB 2 & 3, 4 & 2 & 3, 4 & 2 & 3, 4 & 2 & 3 5 5 5 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP2 JP3 80486SX pins 2 & 3 closed pins 2 & 3 closed 80487SX pins 1 & 2 closed pins 1 & 2 and 3 & 4 closed 80486DX pins 3 & 4 closed pins 1 & 2 and 3 & 4 closed