ADDTECH RESEARCH, INC. 4GLX3 Processor CX486S/80486SX/80487SX/CX486DX/AMD486DX/80486DX/80486DX2/ 80486DX4/Pentium Overdrive Processor 25/33/40(internal)/50(internal)/50/66(internal)/100(internal)MHz Speed Chip Set Cypress Max. 128MB Onboard DRAM Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (2) Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location Turbo LED JP10 External battery JP17 Speaker JP11 Turbo switch JP95 Power LED & keylock JP13 32-bit VESA Local bus SL1 & SL2 slots Reset switch JP15 USER CONFIGURABLE SETTINGS Function Jumper Position » CPU type select Intel/AMD JP2A pins 1 & 2 closed CPU type select Cyrix JP2A pins 2 & 3 closed » CPU type select PGA JP12 Closed CPU type select PQFP JP12 Open » CMOS memory normal operation JP16 pins 1 & 2 closed CMOS memory clear JP16 pins 2 & 3 closed 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) 256K x 9 (4) 1M x 9 5MB (4) 1M x 9 (4) 256K x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 256K x 9 (4) 4M x 9 17MB (4) 4M x 9 (4) 256K x 9 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 65MB (4) 256K x 9 (4) 16M x 9 65MB (4) 16M x 9 (4) 256K x 9 68MB (4) 1M x 9 (4) 16M x 9 68MB (4) 16M x 9 (4) 1M x 9 80MB (4) 4M x 9 (4) 16M x 9 80MB (4) 16M x 9 (4) 4M x 9 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 (PQFP) Open Open Open 80486SX (PGA) pins 2 & 3 Open Open closed 80487SX pins 1 & 2, 3 pins 1 & 2 Closed & 4 closed closed 80486DX/DX2 pins 1 & 2, 3 pins 2 & 3 Open & 4 closed closed DX4/Overdrive pins 1 & 2, 3 pins 1 & 2 Closed & 4 closed closed Note: This mainboard was manufactured with either a PQFP socket or a PGA ZIF socket. CPU SPEED CONFIGURATION Speed ID3 JP5 JP5A JP33 JP36 JP37 JP38 JP72 25MHz Open 2 & 4 & 2 & Closed 1 & 2 & Closed 3 5 4 2 3 33MHz Open 2 & 4 & 2 & Closed 2 & 1 & Open 3 5 4 3 2 40MHz Closed 1 & 3 & 2 & Open 1 & 2 & Open 2 5 3 2 3 50iMHz Open 2 & 4 & 2 & Closed 1 & 2 & Closed 3 5 4 2 3 50MHz Closed 1 & N/A 1 & Open 2 & 1 & Open 2 2 3 2 66iMHz Open 2 & 4 & 2 & Closed 2 & 1 & Open 3 5 4 3 2 100iMHz Open 2 & 4 & 2 & Closed 2 & 1 & Open 3 5 4 3 2 Note: Pins designated should be in the closed position. JP5 corresponds to PGA ZIF socket & JP5A corresponds to PQFP socket. VESA WAIT STATE CONFIGURATION Wait states ID2 0 wait states Open 1 wait state Closed