MODULAR CIRCUIT TECHNOLOGY MCT-M3486-33/40 Processor 80386SX/80486SX/80487SX/80486DX/80486DX2 Processor Speed 25/33/40/50(internal)/50/66(internal)MHz Chip Set UMC Max. Onboard DRAM32MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options None NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location Speaker J6 Turbo switch J10 External battery J7 Turbo LED J11 Power LED & keylock J8 Reset switch J12 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color J3 pins 2 & 3 closed Monitor type select monochrome J3 pins 1 & 2 closed » NPU disabled JP2 Open NPU enabled JP2 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 W2 W3 W4 W5 W6 W7 W8 W9 64KB Open Open Open Open 1 & Open 1 & 1 & 2 2 2 128KB Open Open Closed Closed 2 & 1 & 2 2 & 1 & 3 3 2 256KB Closed Closed Closed Closed 1 & 2 & 3 2 & 2 & 2 3 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP1 W12 W13 80386SX pins 1 & 2 Open Open closed 80487SX pins 2 & 3 pins 1 & 2, 3 & pins 2 & 3 closed 4 closed closed 80486SX pins 2 & 3 pins 2 & 3 Open closed closed 80486DX pins 2 & 3 pins 1 & 2, 3 & pins 1 & 2 closed 4 closed closed 80486DX2 pins 2 & 3 pins 1 & 2, 3 & pins 1 & 2 closed 4 closed closed