AMERICAN DIGICOM CORPORATION 286E Processor 80286 Processor Speed 12/16/20MHz Chip Set Suntac Max. Onboard DRAM 5MB Cache None BIOS AMI Dimensions 230mm x 220mm I/O Options None NPU Options 80287 [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock JP1 Turbo LED JP4 Speaker JP2 Turbo switch JP5 Reset switch JP3 External battery JP18 USER CONFIGURABLE SETTINGS Function Jumper Position NPU speed select CPU CLK/1 JP7 & JP8 pins 1 & 2 closed NPU speed select CPU CLK/3 JP7 & JP8 pins 2 & 3 closed » Monitor type select color JP9 Closed Monitor type select monochrome JP9 Open » Parity check enabled JP10 Closed Parity check disabled JP10 Open » CPU speed select 16/20MHz JP12 pins 1 & 2 closed CPU speed select 12MHz JP12 pins 2 & 3 closed » CMOS memory normal operation JP17 pins 1 & 2 closed CMOS memory clear JP17 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Parity Bank 1 Parity Bank 2 Bank 3 (P-0) (P-1) 512KB (4) (2) NONE NONE NONE NONE 44256 41256 512KB NONE NONE NONE NONE (2) NONE 256K x 9 1MB (4) (2) (4) (2) NONE NONE 44256 41256 44256 41256 1MB NONE NONE NONE NONE (2) (2) 256K x 256K x 9 9 2MB (4) (2) (4) (2) (2) (2) 44256 41256 44256 41256 256K x 256K x 9 9 2MB NONE NONE NONE NONE (2) 1M NONE x 9 3MB (4) (2) (4) (2) (2) 1M NONE 44256 41256 44256 41256 x 9 4MB NONE NONE NONE NONE (2) 1M (2) 1M x 9 x 9 5MB (4) (2) (4) (2) (2) 1M (2) 1M 44256 41256 44256 41256 x 9 x 9 Note:Banks 2 & 3 are considered Banks 0 & 1, respectively, when filled without using DIP. However, they will be referred to throughout the text as Banks 2 & 3 to avoid confusion. DRAM JUMPER CONFIGURATION Size JP13 JP14 JP15 JP16 512KB pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed 512KB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 1MB pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed 1MB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 2MB pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed 2MB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 3MB pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed 4MB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 5MB pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed NPU SPEED CONFIGURATION Speed JP7 JP8 CLK/1 pins 1 & 2 closed pins 1 & 2 closed CLK/3 pins 2 & 3 closed pins 2 & 3 closed