INFORMTECH INTERNATIONAL, INC. IT-AM33/40-DLC Processor 80386DX/AMD386DX/CX486DLC Processor Speed 16/25/33/40MHz Chip Set Maconics Max. Onboard DRAM 32MB Cache None BIOS AMI Dimensions 220mm x 170mm I/O Options None NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED D5 Speaker J5 External battery J3 Turbo switch J6 Power LED & keylock J4 Reset switch J7 USER CONFIGURABLE SETTINGS Function Jumper Position » MC146818 enabled JP1 pins 2 & 3 closed DS1287 enabled JP1 pins 1 & 2 closed » Monitor type select monochrome JP2 Open Monitor type select color JP2 Closed » CPU brand selection INTEL/AMD JP3 pins 1 & 2 80386DX CPU closed CPU brand selection CYRIX 486DLC JP3 pins 2 & 3 CPU closed » CMOS memory normal operation JP4 pins 1 & 2 closed CMOS memory data clear JP4 pins 2 & 3 closed Note:The exact location of JP3 is unidentified by the manufacturer. 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) 1M x 9 (4) 256K x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 4M x 9 (4) 256K x 9 20MB (4) 4M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 CLOCK GENERATOR FREQUENCY CONFIGURATION Clock Speed CPU Speed JS1 JS2 JS3 80MHz 40MHz pins 1 & 2 pins 2 & 3 pins 2 & 3 closed closed closed 66MHz 33MHz pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed 50MHz 25MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 33MHz 16MHz pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed