DASH COMPUTER, INC. DC 386 WB WRITE BACK-CACHE Processor 80386DX Processor Speed 25/33/40MHz Chip Set OPTI Max. Onboard DRAM 32MB Cache 32/64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit external memory card slot NPU Options 80387 [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J23 Reset switch SW1 Speaker J24 Turbo switch SW2 32-bit external S1 Turbo LED SW3 memeory card USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select monochrome JP1 open Monitor type select color JP1 closed » CMOS memory normal operation JP2 pins 2 & 3 closed CMOS memory clear JP2 pins 1 & 2 closed » Bus speed select ATCLK/6 JP3 pins 1 & 2 closed Bus speed select ATCLK/8 JP3 open Note:Pins 3 and 4 on JP3 are not used 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 JUMPER CONFIGURATION Size JP5 JP6 JP7 JP8 JP9 JP10 32KB pins 1 pins 1 pins 1 open pins 2 pins 2 & & 2 & 2 & 2 & 3 3 64KB pins 2 pins 1 pins 1 open pins 2 pins 1 & & 3 & 2 & 2 & 3 2 128KB pins 2 pins 1 pins 2 closed pins 2 pins 1 & & 3 & 2 & 3 & 3 2 256KB pins 2 pins 2 pins 2 closed pins 1 pins 1 & & 3 & 3 & 3 & 2 2 Note:Pins designated should be in the closed position CACHE CONFIGURATION Size Cache SRAM Location TAG (U32 & Dirty Bit U33) (U42) 32KB (4) 8K x 8 Bank 0 (2) 4K x 4 (1) 4K x 4 64KB (8) 8K x 8 Banks 0 & 1 (2) 4K x 4 (1) 4K x 4 128KB (4) 32K x 8 Bank 0 (2) 16K x 4 (1) 16K x 1 256KB (8) 32K x 8 Banks 0 & 1 (2) 16K x 4 (1) 16K x 1