EDOM INTERNATIONAL CORPORATION 486VL3 (MV026) Processor CX486M6/80486SX/80487SX/CX486M7/80486DX/80486DX2/80486DX4/ Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set OPTI Max. 128MB Onboard DRAM Cache 64/128/256KB BIOS AMI/Award Dimensions 254mm x 220mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options CONNECTIONS Purpose Location Purpose Location External battery J1 Speaker JP18 Power LED & keylock J2 Green PC connector JP32 Turbo switch JP16 Reset switch S1 Turbo LED JP17 32-bit VESA local bus SL1 - SL3 slots USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP26 pins 2 & 3 closed CMOS memory clear JP26 pins 1 & 2 closed » Cyrix M7 clock speed select 1x JP27 pins 1 & 2 closed Cyrix M7 clock speed select 2x JP27 pins 2 & 3 closed Other CPU types JP27 Open » Monitor type select monochrome JP30 Open Monitor type select color JP30 Closed » Factory configured - do not JP37 N/A alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 2MB (1) 256K x (1) 256K x NONE NONE 36 36 2MB (1) 512K x NONE NONE NONE 36 4MB (1) 1M x 36 NONE NONE NONE 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 512K x NONE (1) 512K x NONE 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 10MB (1) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 10MB (1) 512K x NONE (1) 2M x 36 NONE 36 16MB (1) 4M x 36 NONE NONE NONE 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 NONE (1) 2M x 36 NONE 32MB (1) 4M x 36 NONE (1) 4M x 36 NONE 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 64MB (1) 16M x 36 NONE NONE NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 128MB (1) 16M x 36 NONE (1) 16M x 36 NONE 128MB (1) 16M x 36 (1) 16M x 36 NONE NONE 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 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP10 JP11 JP13 JP35 64KB Open Open pins 2 & 3 pins 1 & 2 closed closed 128KB Open Closed pins 1 & 2 pins 1 & 2 closed closed 256KB Closed Closed pins 2 & 3 pins 2 & 3 closed closed 256KB Closed Closed pins 2 & 3 pins 1 & 2 closed closed CPU TYPE CONFIGURATION Type JP3 JP5 JP8 JP9 CX486M6 Open Open pins 2 & 3 pins 1 & 2 closed closed 80486SX Open Open pins 2 & 3 Open closed 80487SX pins 2 & 3 pins 2 & 3 pins 1 & 2 Open closed closed closed CX486M7 pins 1 & 2 pins 2 & 3 pins 1 & 2 Open closed closed closed 80486DX pins 1 & 2 pins 2 & 3 pins 1 & 2 Open closed closed closed 80486DX2 pins 1 & 2 pins 2 & 3 pins 1 & 2 Open closed closed closed 80486DX4 pins 1 & 2 pins 2 & 3 pins 1 & 2 Open closed closed closed P24D pins 1 & 2 pins 2 & 3 pins 1 & 2 Open closed closed closed Pentium pins 1 & 2 pins 2 & 3 pins 1 & 2 pins 2 & 3 Overdrive closed closed closed closed CPU TYPE CONFIGURATION (CON’T) Type JP12 JP22 JP23 JP45 JP50 CX486M6 Open 1 & 2 Open Open 2 & 3 80486SX Open 1 & 2 Open Closed Open 80487SX Open 1 & 2 Open Closed Open CX486M7 Open 1 & 2 Open Open 2 & 3 80486DX Open 1 & 2 Open Closed Open 80486DX2 Open 1 & 2 Open Closed Open 80486DX4 Open 1 & 2 Open Closed Open P24D Closed 1 & 2 Closed Closed 1 & 2 Pentium Open 2 & 3 Open Closed Open Overdrive Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP24 JP25 JP36 Non SL-enhanced Open Open Open SL-enhanced Closed Closed Closed PQFP CPU CONFIGURATION Type JP1 JP6 JP7 Disabled Closed Closed Closed Enabled Open Open Open CPU SPEED CONFIGURATION Speed JP38 JP39 JP40 JP48 25MHz Closed Closed Open pins 1 & 2 closed 33MHz Closed Open Closed pins 1 & 2 closed 40MHz Open Closed Closed pins 1 & 2 closed 50iMHz Closed Closed Open pins 2 & 3 closed 50MHz Closed Closed Closed pins 1 & 2 closed 66iMHz Closed Open Open pins 2 & 3 closed 75iMHz Closed Closed Open pins 2 & 3 closed 100iMHz Closed Open Open pins 2 & 3 closed CPU SPEED CONFIGURATION (80486DX4 ONLY) Speed JP43 2x pins 1 & 2 closed 2.5x pins 2 & 3 closed 3x Open CPU VOLTAGE CONFIGURATION Speed JP44 3.45v pins 2 & 3, 5 & 6 closed 5v pins 1 & 2, 4 & 5 closed VESA WAIT STATE CONFIGURATION Wait states JP33 0 wait states Open 1 wait state Closed BUS SPEED CONFIGURATION CPU speed JP34 JP46 <= 33MHz Open pins 2 & 3 closed > 33MHz Closed pins 1 & 2 closed