EDOM INTERNATIONAL CORPORATION 486PIG (MP042) Processor 80486SX/CX486M7/UMC U5S/80486DX/80486DX2/80486DX4/P24D/ 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 128/512KB BIOS Award Dimensions 220mm x 190mm I/O 32-bit PCI slots (4), green PC connector Options NPU None Options CONNECTIONS Purpose Location Purpose Location External battery J2 Turbo switch JP40 Power LED & keylock J9 Speaker JP41 Green PC connector JP3 32-bit PCI slots PC1 - PC4 Green PC LED JP38 Reset switch S1 Turbo LED JP39 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP1 pins 2 & 3 closed CMOS memory clear JP1 pins 1 & 2 closed » CPU write type select write back JP17 pins 1 & 2 closed CPU write type select write JP17 pins 2 & 3 through closed » CPU clock speed >33MHz JP27 pins 2 & 3 closed CPU clock speed =<33MHz JP27 pins 3 & 4 closed » PCI asynchronous with CPU JP33 pins 1 & 2 closed PCI synchronous with CPU JP33 pins 2 & 3 closed » Factory configured - do not alter JP37 N/A DRAM CONFIGURATION Size Bank 0 Bank 1 2MB (1) 512K x 36 NONE 4MB (1) 1M x 36 NONE 4MB (1) 512K x 36 (1) 512K x 36 8MB (1) 1M x 36 (1) 1M x 36 8MB (1) 2M x 36 NONE 12MB (1) 1M x 36 (1) 2M x 36 16MB (1) 4M x 36 NONE 16MB (1) 2M x 36 (1) 2M x 36 20MB (1) 1M x 36 (1) 4M x 36 32MB (1) 4M x 36 (1) 4M x 36 64MB (1) 16M x 36 NONE 128MB (1) 16M x 36 (1) 16M x 36 CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 8K x 8 512KB (4) 128K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP13 JP19 JP22 128KB pins 2 & 3 Open Open closed 512KB pins 1 & 2 Closed Closed closed CPU TYPE CONFIGURATION Type JP14 JP15 JP21 JP23 80486SX pins 1 & 2 Open Open Open closed CX486M7 pins 1 & 2 pins 1 & 2 Closed Closed closed closed UMC U5S pins 1 & 2 Open Open Open closed 80486DX pins 1 & 2 Open Open Open closed 80486DX2 pins 1 & 2 Open Open Open closed 80486DX4 pins 1 & 2 Open Open Open closed P24D pins 1 & 2 pins 2 & 3 Closed Open closed closed Pentium pins 2 & 3 Open Open Open Overdrive closed CPU TYPE CONFIGURATION Type JP24 JP25 JP26 JP29 80486SX Open Open pins 2 & 3 Open closed CX486M7 Open Open pins 1 & 2, 3 Open & 4 closed UMC U5S pins 1 & 2 Open pins 1 & 2, 3 Open closed & 4 closed 80486DX pins 1 & 2 Open pins 1 & 2, 3 Open closed & 4 closed 80486DX2 pins 1 & 2 Open pins 1 & 2, 3 Open closed & 4 closed 80486DX4 pins 1 & 2 Open pins 1 & 2, 3 Open closed & 4 closed P24D pins 1 & 2 Closed pins 1 & 2, 3 Open closed & 4 closed Pentium pins 1 & 2 Open pins 1 & 2, 3 Open Overdrive closed & 4 closed CPU TYPE CONFIGURATION Type JP6 JP10 JP18 JP28 Cyrix N/A N/A pins 2 & 3 N/A closed SL-enhanced Closed Closed pins 1 & 2 Closed closed Non SL-enhanced Open Open Open Open CPU SPEED CONFIGURATION Speed JP31 JP32 25MHz Open Open 33MHz Closed Closed 40MHz Open Closed 50iMHz Open Open 50MHz Closed Open 66iMHz Closed Closed 75iMHz Open Open 100iMHz Closed Closed CPU SPEED CONFIGURATION (80486DX4 ONLY) Speed JP16 2x pins 1 & 2 closed 2.5x pins 2 & 3 closed 3x Open CPU VOLTAGE CONFIGURATION Voltage JP30 3.45v pins 3 & 5, 4 & 6 closed 5v pins 1 & 3, 2 & 4 closed PCI TRIGGER CONFIGURATION Setting JP4 JP5 Edge trigger pins 1 & 2, 3 & 4 pins 1 & 2, 3 & 4 closed closed Level trigger pins 2 & 3 closed pins 2 & 3 closed