L & K MICRO SUPPLY, INC. 486 CONTAQ CACHE Processor 80486SX/80487SX/80486DX Processor Speed 16/20/25/33/40/50MHz Chip Set CONTAQ Max. Onboard DRAM 32MB Cache 64/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options None NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Speaker J3 Turbo switch JP18 External battery J7 Turbo LED JP20 Power LED & keylock J8 Reset switch JP21 USER CONFIGURABLE SETTINGS Function Jumper Position » NPU read cycle select 0 wait JP5 pins 1 & 2 states closed NPU read cycle select 1 wait JP5 pins 2 & 3 state closed » CMOS memory normal operation JP24 pins 2 & 3 closed CMOS memory clear JP24 pins 1 & 2 closed » Monitor type select monochrome JP25 pins 1 & 2 closed Monitor type select color JP25 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 3 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 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG Location Dirty Location Bit 64KB (4) 8K (4) 8K (2) U14 & U15 (1) 16K U16 x 8 x 8 16K x x 4 4 64KB (4) 8K (4) 8K (2) U14 & U15 (1) 16K U18 x 8 x 8 16K x x 1 4 64KB (4) 8K (4) 8K (1) 8K NU1 (1) 16K U16 x 8 x 8 x 8 x 4 64KB (4) 8K (4) 8K (1) 8K NU1 (1) 16K U18 x 8 x 8 x 8 x 1 256KB (4) (4) (2) U14 & U15 (1) 16K U16 32K x 32K x 16K x x 4 8 8 4 256KB (4) (4) (2) U14 & U15 (1) 16K U18 32K x 32K x 16K x x 1 8 8 4 256KB (4) (4) (1) NU1 (1) 16K U16 32K x 32K x 32K x x 4 8 8 8 256KB (4) (4) (1) NU1 (1) 16K U18 32K x 32K x 32K x x 1 8 8 8 CACHE JUMPER CONFIGURATION Size JP7 JP8 JP9 JP10 64KB pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 1 & 2 closed closed closed closed 256KB pins 2 & 3 pins 2 & 3 pins 2 & 3 pins 2 & 3 closed closed closed closed CPU TYPE CONFIGURATION Type JP1 JP2 JP3 JP4 80486SX pins 2 & 3 pins 2 & 3 Open pins 1 & 3 closed closed closed 80487SX pins 1 & 2 pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed closed 80486DX pins 1 & 2 pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed closed CPU SPEED CONFIGURATION Speed Crystal at JP6 JP11 JP12 OSC1 16MHz 32MHz pins 5 & 6 pins 2 & 3 pins 2 & 3 closed closed closed 20MHz 40MHz pins 5 & 6 pins 2 & 3 pins 2 & 3 closed closed closed 25MHz 25MHz pins 3 & 4 pins 1 & 2 pins 2 & 3 closed closed closed 33MHz 33MHz pins 3 & 4 pins 2 & 3 pins 1 & 2 closed closed closed 40MHz 40MHz pins 3 & 4 pins 2 & 3 pins 2 & 3 closed closed closed 50MHz 50MHz pins 3 & 4 pins 1 & 2 pins 1 & 2 closed closed closed