SEANIX TECHNOLOGY, INC. 486VLP2 Processor 80486SX/IBM486DLC/80486DX/80486DX2/Pentium Overdrive Processor Speed 25/33/40/50(internal)/50/66(internal)MHz Chip Set EFAR Max. Onboard DRAM64MB Cache 64/128/256KB BIOS ASI/MR Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location External battery P1 Speaker P5 Reset switch P2 Turbo switch P6 Power LED & keylock P3 32-bit VESA local SL1 & SL2 bus slots Turbo LED P4 USER CONFIGURABLE SETTINGS Function Jumper Position » Programming voltage select 5v JP2 pins 1 & 2 closed Programming voltage select 12v JP2 pins 2 & 3 closed » Clock skew select same as CPU JP12 pins 1 & 2 clock closed Clock skew select delayed on gate JP12 pins 2 & 3 relative to CPU closed » Local ready select not delayed JP16 pins 1 & 2 closed Local ready select delayed one JP16 pins 2 & 3 clock closed » Battery type select internal P1 pins 2 & 3 closed CMOS memory clear/external battery P1 pins 1 & 2 closed Battery type select external P1 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x NONE NONE NONE 36 2MB (1) 256K x (1) 256K x NONE NONE 36 36 3MB (1) 256K x (1) 256K x (1) 256K x NONE 36 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 6MB (1) 256K x (1) 256K x (1) 1M x 36 NONE 36 36 7MB (1) 256K x (1) 256K x (1) 256K x (1) 1M x 36 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 9MB (1) 256K x (1) 1M x 36 (1) 1M x 36 NONE 36 10MB (1) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 NONE 13MB (1) 256K x (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 NONE NONE NONE 18MB (1) 256K x (1) 256K x (1) 4M x 36 NONE 36 36 20MB (1) 1M x 36 (1) 4M x 36 NONE NONE 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 24MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 NONE 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 NONE 28MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 1M x 36 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 36MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 NONE 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 52MB (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 52MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M 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) 32K x 8 CACHE JUMPER CONFIGURATION Size JP1 JP3 JP4 JP5 64KB pins 2 & 3 pins 1 & 2 pins 1 & 2 Open closed closed closed 128KB pins 1 & 2 pins 2 & 3 pins 2 & 3 Closed closed closed closed 256KB pins 1 & 2 pins 1 & 2 pins 1 & 2 Closed closed closed closed CPU TYPE CONFIGURATION Type JP9 JP10 JP11 JP13 80486SX pins 1 & 2 Open pins 2 & 3 Open closed closed IBM486DLC pins 2 & 3 Closed pins 1 & 2 Closed closed closed 80486DX pins 1 & 2 Open pins 1 & 2 Closed closed closed 80486DX2 pins 1 & 2 Open pins 1 & 2 Closed closed closed Pentium pins 1 & 2 Open pins 1 & 2 Closed Overdrive closed closed CPU SPEED CONFIGURATION Speed JP6 JP7 JP8 25MHZ Open Closed Closed 33MHz Closed Closed Open 40MHz Closed Closed Closed 50iMHz Open Closed Closed 50MHz Closed Open Closed 66iMHz Closed Closed Open VESA WAIT STATE CONFIGURATION Wait states JP15 0 wait states pins 1 & 2 closed 1 wait state pins 2 & 3 closed BUS SPEED CONFIGURATION CPU speed JP14 <= 33MHz pins 1 & 2 closed > 33MHz pins 2 & 3 closed