EVEREX SYSTEMS, INC. STEP 486 EISA VL (EV-3605) Processor 80486SX/80487SX/80486DX Processor Speed 20/25/33MHZ Chip Set C & T Max. Onboard DRAM 64MB SRAM Cache 256/512/1024KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slot, keyboard controller/daughter card NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Keyboard C1 Turbo LED JP16 controller/daughter card LED front panel connector CN1 Turbo switch JP17 Speaker J19 Reset switch JP18 Power LED & keylock J22 32-bit VESA S1 Local bus slot USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Factory configured - do not J1 Closed alter » Factory configured - do not JP9 pins 2 & 3 alter closed » Factory configured - do not JP21 pins 2 & 3 alter closed » Factory configured - do not JP23 Closed alter » Monitor type select color JP24 Open Monitor type select JP24 Closed monochrome » CMOS memory normal operation JP25 Open CMOS memory clear JP25 Closed » Factory configured - do not JP31 Closed alter » Factory configured - do not JP32 Closed alter » Factory configured - do not JP33 Closed alter » Factory configured - do not JP100 pins 2 & 3 alter closed » Factory configured - do not JP101 Closed alter » Factory configured - do not JP102 Closed alter » Factory configured - do not JP103 Closed alter » Factory configured - do not JP104 Closed alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (4) 256K x 9 NONE NONE NONE 2MB (4) 256K x 9 (4) 256K x 9 NONE NONE 4MB (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE NONE NONE 6MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 NONE 8MB (4) 1M x 9 (4) 1M x 9 NONE NONE 10MB (4) 256K x 9 (4) 256K x 9 (4) 1M x 9 (4) 1M x 9 12MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 NONE 16MB (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE NONE NONE 18MB (4) 256K x 9 (4) 256K x 9 (4) 4M x 9 NONE 20MB (4) 1M x 9 (4) 4M x 9 NONE NONE 24MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 NONE 32MB (4) 4M x 9 (4) 4M x 9 NONE NONE 36MB (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 NONE 40MB (4) 1M x 9 (4) 1M x 9 (4) 4M x 9 (4) 4M x 9 48MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 NONE 64MB (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 (4) 4M x 9 64MB (4) 16M x 9 NONE NONE NONE 128MB (4) 16M x 9 (4) 16M x 9 NONE NONE 192MB (4) 16M x 9 (4) 16M x 9 (4) 16M x 9 NONE 256MB (4) 16M x 9 (4) 16M x 9 (4) 16M x 9 (4) 16M x 9 CACHE JUMPER CONFIGURATION Size JP1 JP3 JP4 JP12 JP13 256KB pins 1 & pins 1 & pins 1 & pins 1 & pins 1 & 2 2 2 2 2 512KB pins 2 & pins 2 & pins 1 & pins 1 & pins 2 & 3 3 2 2 3 1024KB pins 2 & pins 2 & pins 2 & pins 2 & pins 2 & 3 3 3 3 3 Note:pins designated should be in the closed position. CACHE CONFIGURATION Size Cache Location TAG 64KB (8) 8K x 8 Banks 0 & 1 (2) 16K x 4 128KB (4) 32K x 8 Bank 0 (2) 16K x 4 256KB (8) 32K x 8 Banks 0 & 1 (2) 16K x 4 CPU TYPE CONFIGURATION Type JP15 JP5 JP7 80486SX Open Open pins 1 & 2 closed 80487SX Closed pins 1 & 2 pins 2 & 3 closed closed 80486DX Closed pins 2 & 3 pins 2 & 3 closed closed