DASH COMPUTER, INC. DC 486 EISA Processor 80486SX/80487SX/80486DX/80486DX2 Processor Speed 20/25/33/50(internal)/50/66(internal)MHz Chip Set OPTI Max. Onboard DRAM 128MB Cache 64/128/256KB BIOS AMI Dimensions 330.2mm x 218.4mm I/O Options None NPU Options 4167 [Image] CONNECTIONS Purpose Location Purpose Location Speaker J4 Reset switch S9 Power LED & keylock J5 Turbo switch SW Turbo LED LED USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP4 closed Monitor type select monochrome JP4 open » CPU speed select 25/33/50MHz JP6 open CPU speed select 20MHz JP6 closed » CPU speed select iOSC/1 JP8 pins 1 & 2 closed CPU speed select iOSC/2 JP8 pins 2 & 3 closed EISA BUS CONTROLLER SPEED SELECT Speed JP1 JP2 JP3 20MHz open closed pins 2 & 3 closed 25MHz open open pins 1 & 2 closed 33MHz closed open pins 1 & 2 closed 40MHz open closed pins 1 & 2 closed 50Mhz closed closed pins 1 & 2 closed CPU TYPE CONFIGURATION Jumper 80486SX 80487SX 80486DX or DX2 JP7 pins 2 & 3 closed pins 1 & 2 and 3 & pins 1 & 2 and 3 & 4 closed 4 closed JP9 open pins 1 & 2 closed pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 4MB (4) 1M x 9 NONE 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 64MB (4) 16M x 9 NONE 68MB (4) 1M x 9 (4) 16M x 9 80MB (4) 4M x 9 (4) 16M x 9 128MB (4) 16M x 9 (4) 16M x 9 CACHE JUMPER CONFIGURATION Jumper 64KB 128KB 256KB JP5 pins 2 & 3 pins 1 & 2 pins 2 & 3 closed closed closed JP10 open open open JP11 open open closed JP12 open closed closed JP13 open open closed JP14 open closed closed JP15 open open open CACHE CONFIGURATION Size Cache Location TAG TAG TAG Dirty (U49) (U50) (U51) bit (U64) 64KB (8) 8K Banks 0 & (1) 4K (1) 8K NONE (1) 64K x 8 1 x 1 x 8 x 1 128KB (4) 32K Bank 0 (1) 64K (1) 8K NONE (1) 64K x 8 x 1 x 8 x 1 256KB (8) 32K Banks 0 & (1) 64K (1) 8K (1) 8K (1) 64K x 8 1 x 1 x 8 x 8 x 1