COMPUTREND SYSTEMS, INC. CONTAQ-386 Processor 80386DX/80486DX (on MS-4901 daughter board) Processor Speed 25/33/50MHz Chip Set CONTAQ Max. Onboard DRAM 32MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options Auxiliary keyboard connector NPU Options 80387/3167 [Image] CONNECTIONS Purpose Location Purpose Location Power LED & J5 pins 1 - 5 Reset switch J5 19 & 20 keylock Speaker J5 pins 7 - 10 External battery JP2 Turbo LED J5 pins 12 & Auxiliary JP7 13 keyboard Turbo switch J5 pins 15 - 17 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP1 Closed Monitor type select monochrome JP1 Open » Battery type select internal JP2 pins 2 & 3 closed Battery type select external 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) 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 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG TAG (U1) 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 (1) 16K x 4 128KB (4) 32K x 8 NONE (1) 8K x 8 (1) 16K x 4 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 (1) 16K x 4 CACHE JUMPER CONFIGURATION Size J4A J4B J4C 64KB Closed Open Open 128KB Open Closed Open 256KB Open Open Closed CPU TYPE CONFIGURATION Type J3A J3B JP5 J6A J6B JP8 80386DX Closed Open pins 2 & Closed Open Open 3 closed 80486DX Open Closed pins 1 & Open Closed Closed 2 closed CPU BUS CLOCK CONFIGURATION Type Bus Clock JP3 JP4 JP6 80386DX CLK2/4 Closed Closed pins 1 & 2 closed 80386DX CLK2/6 Open Closed pins 1 & 2 closed 80386DX CLK2/8 Closed Open pins 1 & 2 closed 80386DX CLK2/10 Open Open pins 1 & 2 closed 80386DX 7.2MHz N/A N/A pins 2 & 3 closed 80486DX Reserved Open Open pins 1 & 2 closed 80486DX CLK/3 Open Closed pins 1 & 2 closed 80486DX CLK/4 Closed Open pins 1 & 2 closed 80486DX CLK/6 Closed Closed pins 1 & 2 closed 80486DX 7.2MHz N/A N/A pins 2 & 3 closed