UNIDENTIFIED CONTAQ 596 Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive Processor 16/20/25/33/50(internal)/66(internal)MHz Speed Chip Set Unidentified Max. Onboard 128MB DRAM Cache 64/128/256KB BIOS AMI Dimensions 254mm x 218mm I/O Options 32-bit VESA local bus slots (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 Reset switch J5 Speaker J2 External battery JP17 Turbo switch J3 32-bit VESA local bus SL1 & SL2 slots Turbo LED J4 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JP5 N/A alter » Factory configured - do not JP9 N/A alter » Monitor type select color JP12 Closed Monitor type select monochrome JP12 Open » CMOS memory normal operation JP16 pins 1 & 2 closed CMOS memory clear JP16 pins 2 & 3 closed » Factory configured - do not JP76 N/A alter » Factory configured - do not JP77 N/A alter » Factory configured - do not JP80 N/A alter » Factory configured - do not JP81 N/A alter » Factory configured - do not JP82 N/A alter » Factory configured - do not JP83 N/A alter » VESA card select normal JP89 Closed VESA card select Weitek P9000 JP89 Open only » Factory configured - do not JP90 N/A alter » Factory configured - do not JP93 N/A alter » Factory configured - do not JP96 N/A alter » Factory configured - do not JP97 N/A alter » Factory configured - do not JP98 N/A alter DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 5MB (4) 1M x 9 (4) 256K x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 1M x 9 (4) 4M x 9 20MB (4) 4M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 64MB (4) 16M x 9 NONE 128MB (4) 16M x 9 (4) 16M x 9 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 JP7 JP8 64KB pins 2 & 3 closed pins 2 & 4 closed 128KB pins 1 & 2 closed pins 2 & 3 closed 256KB pins 1 & 2 closed pins 1 & 2 closed CPU TYPE CONFIGURATION Type JP2 JP3 JP4 80486SX pins 1 & 2, 3 & pins 1 & 2 Open 4 closed closed ODP486SX pins 1 & 2, 3 & pins 1 & 2 Closed 4 closed closed 80487SX pins 1 & 2, 3 & pins 1 & 2 Closed 4 closed closed 80486DX pins 1 & 2, 3 & pins 1 & 2 Open 4 closed closed 80486DX2 pins 1 & 2, 3 & pins 1 & 2 Open 4 closed closed Pentium Overdrive pins 1 & 2, 3 & pins 1 & 2 Closed 4 closed closed CPU SPEED CONFIGURATION Speed JP72 16MHz Closed 20MHz Closed 25MHz Closed 33MHz Open 50iMHz Closed 66iMHz Closed BUS SPEED CONFIGURATION CPU speed ID2 ID3 JP33 JP94 <= 33MHz Open Open pins 2 & 4 pins 1 & 2 closed closed > 33MHz Closed Closed pins 1 & 2 pins 1 & 2 closed closed closed closed