DATAEXPERT CORPORATION/VISION TECHNOLOGIES 486WB CACHE/ESP486 (VER. 1) Processor CX486M6/80486SX/CX486M7/AMD486DXL/AMD486DX/80486DX/CX486DX2/ AMD486DX2/80486DX2/80486DX4/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set OPTI Max. 64MB Onboard DRAM Cache 64/128/256KB BIOS Award Dimensions 230mm x 218mm I/O Options 32-bit VESA local bus slots (3) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 Turbo LED JP2 Speaker J2 Power saving connector JP26 Reset switch J3 Turbo switch JP35 External battery J4 32-bit VESA Local bus SL1 - SL3 slots USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select color JP32 Closed Monitor type select monochrome JP32 Open » CMOS memory normal operation JP33 pins 2 & 3 closed CMOS memory clear JP33 pins 1 & 2 closed » L2 write through enabled JP34 pins 2 & 3 closed L2 write back enabled JP34 pins 1 & 2 closed » Turbo speed enabled JP35 Open Turbo speed disabled JP35 Closed » DRAM configuration select Table 1 JP41 pins 2 & 3 closed DRAM configuration select Table 2 JP41 pins 1 & 2 closed DRAM CONFIGURATION (TABLE 1) Size Bank 0 Bank 0/1 Bank 1 2MB NONE (1) 512K x 36 NONE 2MB (4) 256K x 9 NONE (1) 256K x 36 2MB NONE (1) 256K x 36 (1) 256K x 36 4MB (4) 1M x 9 NONE NONE 4MB NONE (1) 1M x 36 NONE 5MB NONE (1) 256K x 36 (1) 1M x 36 5MB (4) 256K x 9 NONE (1) 1M x 36 8MB NONE (1) 1M x 36 (1) 1M x 36 8MB (4) 1M x 9 NONE (1) 1M x 36 8MB NONE (1) 2M x 36 NONE 16MB NONE (1) 4M x 36 NONE 16MB (4) 4M x 9 NONE NONE 17MB (4) 256K x 9 NONE (1) 4M x 36 17MB NONE (1) 256K x 36 (1) 4M x 36 20MB (4) 1M x 9 NONE (1) 4M x 36 20MB NONE (1) 1M x 36 (1) 4M x 36 32MB (4) 4M x 9 NONE (1) 4M x 36 32MB NONE (1) 4M x 36 (1) 4M x 36 32MB NONE (1) 8M x 36 NONE 64MB (4) 16M x 9 NONE NONE DRAM CONFIGURATION (TABLE 2) Size Bank 0 Bank 0/1 Bank 1 2MB NONE (1) 512K x 36 NONE 4MB (4) 1M x 9 NONE NONE 4MB NONE (1) 512K x 36 (2) 512K x 36 8MB NONE (1) 2M x 36 NONE 10MB NONE (1) 512K x 36 (2) 2M x 36 16MB (4) 4M x 9 NONE NONE 16MB NONE (1) 2M x 36 (2) 2M x 36 32MB NONE (1) 8M x 36 NONE 64MB (4) 16M x 9 NONE NONE 64MB NONE (1) 8M x 36 (2) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 128KB (4) 32K x 8 NONE (1) 8K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 16K x 8 or (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP13 JP28 JP29 64KB pins 2 & 3 Open Open closed 128KB pins 1 & 2 Open Closed closed 256KB pins 2 & 3 Closed Closed closed TAG SRAM JUMPER CONFIGURATION Size TAG JP27 64KB (1) 8K x 8 pins 1 & 2 closed 128KB (1) 8K x 8 pins 1 & 2 closed 256KB (1) 16K x 8 pins 2 & 3 closed 256KB (1) 32K x 8 pins 1 & 2 closed CPU TYPE CONFIGURATION Type JP5 JP6 JP8 JP19 JP24 JP39 JP43 80486SX 2 & Open Open 1 & 2 Open 2 & 3 Open 3 CX486M6 2 & Open Open 1 & 2 1 & 2 1 & 2 Open 3 CX486M7 1 & 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 Open 2 80486DX 1 & 2 & 3 1 & 2 1 & 2 Open 2 & 3 Open 2 80486DX4 1 & 2 & 3 1 & 2 1 & 2 Open 2 & 3 Closed 2 Overdrive 1 & 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 Open 2 Note: Pins designated should be in the closed position. 80486DX includes Intel and AMD DX/DXL. CPU TYPE CONFIGURATION (UPDATED VERSION) Type JP5 JP6 JP8 JP19 JP24 JP39 JP43 80486SX 2 & Open Open 1 & 2 Open 2 & 3 Closed 3 CX486M6 2 & Open Open 1 & 2 1 & 2 1 & 2 Closed 3 CX486M7 1 & 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 Closed 2 80486DX 1 & 2 & 3 1 & 2 1 & 2 Open 2 & 3 Closed 2 80486DX4 1 & 2 & 3 1 & 2 1 & 2 Open 2 & 3 Open 2 Overdrive 1 & 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 Closed 2 Note: Pins designated should be in the closed position. 80486DX includes Intel and AMD DX/DXL. CPU TYPE CONFIGURATION Type JP11 JP12 JP25 » PQFP CPU Open Open Closed disabled PQFP CPU enabled Closed Closed Open CPU SPEED CONFIGURATION Speed JP3 JP4 JP17 25MHz Closed Closed Open 33MHz Closed Open Closed 40MHz Open Closed Closed 50iMHz Closed Closed Open 50MHz Closed Closed Closed 66iMHz Closed Open Closed CPU CLOCK SPEED CONFIGURATION (INTEL DX4) Clock speed JP36 JP37 JP38 2x Open Closed Open 2.5x Open Open Closed 3x Closed Open Open CPU POWER VOLTAGE CONFIGURATION Voltage JP44 JP45 JP46 3.3 (DX4) Open Closed pins 1 & 2 closed 5 (other CPU) Closed Open pins 2 & 3 closed VESA BUS SPEED CONFIGURATION CPU speed JP40 < = 33MHz pins 2 & 3 closed > 33MHz pins 1 & 2 closed POWER MANAGEMENT CONFIGURATION Mode JP9 JP10 » Non SMM Open Open SMM Closed Closed