UNIDENTIFIED 3VLG-A486 Processor CX486M6/80486SX/SL80486SX/80487SX/CX486M7/AM486DXL/80486DX/ SL80486DX2/80486DX2/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set Unidentified Max. 80MB Onboard DRAM Cache 32/64/128/256KB BIOS AMI Dimensions 254mm x 218mm I/O Options 32-bit VESA local bus slots (3), green PC connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Modem ring in JG8 Speaker JP17 signal interface Green PC connector JG9 Turbo switch JP18 Green PC connector JG11 pins 5 & Turbo LED JP19 (monitor) 6 Green PC connector JG11 pins 7 & Reset switch JP20 (fan) 8 External battery JP1 32-bit VESA local SL1 - SL3 bus slots Power LED & keylock JP16 USER CONFIGURABLE SETTINGS Function Jumper Position » CX487S not installed J2 pins 2 & 3 closed CX487S installed J2 pins 1 & 2 closed » Monitor type select monochrome JP6 pins 1 & 2 closed Monitor type select color JP6 pins 2 & 3 closed » CMOS memory normal operation JP33 Open CMOS memory clear JP33 Closed DRAM CONFIGURATION Size Bank 0/1 Bank 0/1 Bank 1 1MB (4) 256K x 9 NONE NONE 1MB NONE (1) 256K x 36 NONE 2MB (4) 256K x 9 (1) 256K x 36 NONE 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 (4) 256K x 9 NONE (1) 1M x 36 5MB NONE (1) 1M x 36 (1) 256K x 36 8MB (4) 1M x 9 (1) 1M x 36 NONE 8MB NONE (1) 1M x 36 (1) 1M x 36 16MB (4) 4M x 9 NONE NONE 16MB NONE (1) 4M x 36 NONE 32MB (4) 4M x 9 (1) 4M x 36 NONE 32MB NONE (1) 4M x 36 (1) 4M x 36 64MB (4) 16M x 9 NONE NONE 80MB (4) 16M x 9 (1) 4M x 36 NONE DRAM JUMPER CONFIGURATION Size JP39 JP40 JP41 JP42 Bank 0 = 30-pin 2 & 3 2 & 3 1 & 2 1 & 2 Bank 1 = 72-pin 2 & 3 2 & 3 1 & 2 1 & 2 Bank 0 = Bank 0/1 1 & 2 1 & 2 2 & 3 2 & 3 72-pin Bank 1 = 30-pin or 1 & 2 1 & 2 2 & 3 2 & 3 Bank 1 72 pin Note: Pins designated should be in the closed position. CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 32KB (4) 8K x 8 NONE (1) 8K x 8 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 JG19 JG20 JP11 JP12 JP13 JP31 32KB 1 & 2 Closed Open 2 & 3 2 & 3 Open 64KB 1 & 2 Closed Open 1 & 2 1 & 2 Closed 128KB 1 & 2 Closed 1 & 2, 3 2 & 3 1 & 2 Closed & 4 256KB 2 & 3 Open 1 & 2, 3 1 & 2 1 & 2 Closed & 4, 5 & 6 256KB 1 & 2 Closed 1 & 2, 3 1 & 2 1 & 2 Closed & 4, 5 & 6 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JG1 JG2 JG3 JG4 JG5 CX486M6 1x Closed Open 1 & 2 2 & 4 2 & 4 CX486M6 2x Closed Open 1 & 2 2 & 4 2 & 4 80486SX Open Open Open Open Open SL80486SX Open Closed 2 & 3 1 & 2 1 & 2 80487SX Open Open Open Open Open CX486M7 1x Closed Open 1 & 2 2 & 4 2 & 4 CX486M7 2x Closed Open 1 & 2 2 & 4 2 & 4 AM486DXL Open Open Open 2 & 3 2 & 3 80486DX Open Open Open Open Open SL80486DX Open Closed 2 & 3 1 & 2 1 & 2 80486DX2 Open Open Open Open Open SL80486DX2 Open Closed 2 & 3 1 & 2 1 & 2 P24T Open Open Open 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JG6 JP8 JP9 JP10 JP21 CX486M6 1x Open Closed Open Closed 3 & 4 CX486M6 2x Closed Closed Open Closed 3 & 4 80486SX Open Closed Closed Open 3 & 4 SL80486SX Open Closed Closed Open 3 & 4 80487SX Open Closed Closed Open 1 & 2 CX486M7 1x Open Closed Open Open 2 & 3 CX486M7 2x Closed Closed Open Open 2 & 3 AM486DXL Open Closed Closed Open 2 & 3 80486DX Open Closed Closed Open 2 & 3 SL80486DX Open Closed Closed Open 2 & 3 80486DX2 Open Closed Closed Open 2 & 3 SL80486DX2 Open Closed Closed Open 2 & 3 P24T Open Open Closed Open 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION (CON’T) Type JP22 JP23 JP24 JP26 JP27 CX486M6 1x Open Open 1 & 2 1 & 2 1 & 2 CX486M6 2x Open Open 1 & 2 1 & 2 1 & 2 80486SX Closed Closed 1 & 2 1 & 2 1 & 2 SL80486SX Closed Closed 1 & 2 2 & 3 1 & 2 80487SX Closed Closed 2 & 3 1 & 2 1 & 2 CX486M7 1x Closed Closed 2 & 3 2 & 3 1 & 2 CX486M7 2x Closed Closed 2 & 3 2 & 3 1 & 2 AM486DXL Closed Closed 2 & 3 1 & 2 1 & 2 80486DX Closed Closed 2 & 3 1 & 2 1 & 2 SL80486DX Closed Closed 2 & 3 2 & 3 1 & 2 80486DX2 Closed Closed 2 & 3 1 & 2 1 & 2 SL80486DX2 Closed Closed 2 & 3 2 & 3 1 & 2 P24T Closed Closed 2 & 3 1 & 2 1 & 2 Note: Pins designated should be in the closed position. CPU SMI CONFIGURATION Type JG12 Cyrix pins 5 & 6 closed Texas Instruments pins 1 & 2, 5 & 6 closed AMD pins 3 & 4 closed Intel S-series pins 1 & 2 closed Intel Open CPU SPEED CONFIGURATION Speed JG13 JP7 JP15 JP32 25MHz 1 & 2, 5 & 6 1 & 2 2 & 3 2 & 3 33MHz 1 & 2, 3 & 4 1 & 2 2 & 3 2 & 3 40MHz 3 & 4, 5 & 6 2 & 3 1 & 2 1 & 2 50iMHz 1 & 2, 5 & 6 1 & 2 2 & 3 2 & 3 50MHz 1 & 2, 5 & 6 2 & 3 1 & 2 1 & 2 66iMHz 1 & 2, 3 & 4 1 & 2 2 & 3 2 & 3 Note: Pins designated should be in the closed position. BUS SPEED CONFIGURATION CPU speed JP28 JP29 <= 33MHz pins 1 & 2 closed pins 1 & 2 closed > 33MHz pins 2 & 3 closed pins 2 & 3 closed