AMPTRON INTERNATIONAL, INC. DX-6800K Processor 80486SX/80487SX/80486DX/CX486DX2/80486DX2/80486DX4 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set UMC Max. 64MB Onboard DRAM Cache 64/128/256KB BIOS AMI Dimensions 220mm x 220mm I/O 32-bit VESA local bus slots (3) Options NPU None Options [Image] CONNECTIONS Purpose Location Purpose Location External battery J3 Power LED & keylock J8 Reset switch J4 32-bit VESA Local bus S1 slot Turbo switch J5 32-bit VESA Local bus S2 slot Turbo LED J6 32-bit VESA Local bus S3 slot Speaker J7 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation JP1 Open CMOS memory clear JP1 Closed » Address strobe operation normal JP7 pins 1 & 2 closed Address strobe delay JP7 pins 2 & 3 closed » Graphic controller Weitek Power JP19 pins 1 & 2 9000 not installed closed Graphic controller Weitek Power JP19 pins 2 & 3 9000 installed closed » Factory configured - do not JP20 Open alter » Double sided (double RAS) SIMM JP21 & JP22 pins 1 & 2 module installed closed 16M x 36 (four RAS) SIMM module JP21 & JP22 pins 2 & 3 installed closed » Factory configured - do not JP24 Open alter Note:16M x 36 can only be installed in bank 0. 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 2MB (1) 512K x NONE NONE NONE 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) 512K x (1) 512K x NONE NONE 36 36 4MB (1) 1M x 36 NONE NONE NONE 5MB (1) 256K x (1) 1M x 36 NONE NONE 36 6MB (1) 512K x (1) 1M x 36 NONE NONE 36 6MB (1) 1M x 36 (1) 256K x (1) 256K x NONE 36 36 7MB (1) 256K x (1) 512K x (1) 1M x 36 NONE 36 36 7MB (1) 1M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 NONE NONE 8MB (1) 2M x 36 NONE NONE NONE 9MB (1) 1M x 36 (1) 1M x 36 (1) 256K x NONE 36 9MB (1) 2M x 36 (1) 256K x NONE NONE 36 10MB (1) 1M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 13MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 256K x 36 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 2M x 36 (1) 2M x 36 NONE NONE 16MB (1) 4M x 36 NONE NONE NONE 17MB (1) 4M x 36 (1) 256K x NONE NONE 36 18MB (1) 4M x 36 (1) 256K x (1) 256K x NONE 36 36 19MB (1) 4M x 36 (1) 256K x (1) 256K x (1) 256K x 36 36 36 20MB (1) 4M x 36 (1) 1M x 36 NONE NONE 21MB (1) 4M x 36 (1) 1M x 36 (1) 256K x NONE 36 22MB (1) 4M x 36 (1) 1M x 36 (1) 256K x (1) 256K x 36 36 32MB (1) 4M x 36 (1) 4M x 36 NONE NONE 32MB (1) 8M x 36 NONE NONE NONE DRAM CONFIGURATION (CON'T) Size Bank 0 Bank 1 Bank 2 Bank 3 33MB (1) 4M x 36 (1) 4M x 36 (1) 256K x NONE 36 33MB (1) 8M x 36 (1) 256K x NONE NONE 36 34MB (1) 4M x 36 (1) 4M x 36 (1) 256K x (1) 256K x 36 36 34MB (1) 8M x 36 (1) 512K x NONE NONE 36 36MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 NONE 36MB (1) 8M x 36 (1) 1M x 36 NONE NONE 40MB (1) 4M x 36 (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 NONE 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 NONE NONE 64MB (1) 16M x NONE NONE NONE 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 CPU TYPE CONFIGURATION Type JP15 JP16 JP17 486SX pins 2 & 3 Open Open closed 487SX pins 1 & 2, 3 & pins 2 & 3 Open 4 closed closed 486DX pins 1 & 2, 3 & pins 1 & 2 Open 4 closed closed Cx486DX2 pins 1 & 2, 3 & pins 1 & 2 Closed 4 closed closed 486DX2 pins 1 & 2, 3 & pins 1 & 2 Open 4 closed closed 486DX4 pins 1 & 2, 3 & pins 1 & 2 Open 4 closed closed CPU SPEED CONFIGURATION CPU clock CPU frequency JP8 JP9 JP10 25MHz 25, 50I, pins 2 & 3 pins 1 & 2 pins 2 & 3 75iMHz closed closed closed 33MHz 33, 66I, pins 2 & 3 pins 2 & 3 pins 1 & 2 100iMHz closed closed closed 40MHz 40MHz pins 1 & 2 pins 1 & 2 pins 2 & 3 closed closed closed 50MHz 50, 100iMHz pins 1 & 2 pins 2 & 3 pins 1 & 2 closed closed closed CPU VOLTAGE CONFIGURATION Select P1 P2 P3 5V (for all other pins 1 & 2 pins 1 & 2 pins 1 & 2 CPUs closed closed closed 3.3V (for pins 2 & 3 pins 2 & 3 pins 2 & 3 80486DX4) closed closed closed 80486DX4 CONFIGURATION CPU Clock Multiplier Frequency JP18 25MHz 3 75iMHz Open 33MHz 3 100iMHz Open 50MHz 2 100iMHz pins 2 & 3 closed Note:If using a CPU other than a 80486DX4, the settings for JP18 are do not matter. CACHE JUMPER CONFIGURATION Size JP2 JP3 JP4 JP5 JP6 64KB pins 1 & pins 1 & Open Open Closed 2 2 128KB pins 2 & pins 2 & Open Closed Closed 3 3 256KB pins 1 & pins 1 & Closed Closed Closed 2 2 VESA CPU TYPE (ID0 & ID1) CONFIGURATION CPU speed JP13 (ID2) JP14 (ID3) < or = 33MHz Closed Open > 33MHz Open Closed