DIAMOND FLOWER, INC. 3486-ECV Processor 80386DX/CX486DLC/AMD486DX/80486SX/80486DX/80486DX2 Processor Speed 25/33/40/50(internal)/50/66(internal)MHz Chip Set EFAR Max. Onboard DRAM32MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (2) NPU Options 80387DX [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 Reset switch J5 Speaker J2 Keyboard connector J6 Turbo LED J3 External battery J7 Turbo switch J4 32-bit VESA Local bus SL1 & SL2 slots USER CONFIGURABLE SETTINGS Function Jumper Position » Flash BIOS write protect JP31 Open disabled Flash BIOS write protect enabled JP31 Closed » Factory configured - do not JP32 Open alter. » Battery select internal JP33 pins 2 & 3 closed Battery select external JP33 pins 1 & 2 closed » Fast ready select disabled JP36 Open Fast ready select enabled JP36 Closed Note: The location of the factory configured jumper in unidentified. 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 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 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 JP8 JP9 JP10 JP11 JP27 JP28 JP29 64KB 2 & 3 1 & 2 1 & 2 1 & 2 Closed Open Open 128KB 1 & 2 1 & 2 2 & 3 2 & 3 Closed Closed Open 256KB 1 & 2 1 & 2 1 & 2 1 & 2 Closed Closed Closed Note: pins designated should be in the closed position. CPU SPEED CONFIGURATION - 486SX/DX & 487SX Speed JP1 JP2 JP3 JP16 JP17 JP34 JP37 25MHz Closed Open Open 2 & 3 Open 1 & 2 2 & 3 33MHz Closed Open Closed 2 & 3 Open 1 & 2 2 & 3 40MHz Open Closed Closed 1 & 2 Open 1 & 2 2 & 3 50MHz Closed Open Open 1 & 2 Open 2 & 3 2 & 3 Note: pins designated should be in the closed position. CPU SPEED CONFIGURATION - 486DX2 & OVERDRIVE Speed JP1 JP2 JP3 JP16 JP17 JP34 JP37 50iMHz Closed Open Open 2 & 3 Open 1 & 2 2 & 3 66iMHz Closed Open Closed 2 & 3 Open 1 & 2 2 & 3 Note: pins designated should be in the closed position. CPU SPEED CONFIGURATION - 386DX & 486DLC Speed JP1 JP2 JP3 JP16 JP17 JP34 JP37 25MHz Closed Open Open 2 & 3 Closed 1 & 2 2 & 3 33MHz Closed Open Closed 2 & 3 Closed 1 & 2 2 & 3 40MHz Closed Closed Open 2 & 3 Closed 1 & 2 2 & 3 Note: pins designated should be in the closed position. CPU SPEED CONFIGURATION - CX 486S/S2 Speed JP1 JP2 JP3 JP16 JP17 JP34 JP37 33MHz Closed Closed Closed 1 & 2 Open 1 & 2 2 & 3 40MHz Open Closed Closed 1 & 2 Open 1 & 2 2 & 3 Note: pins designated should be in the closed position. CPU SPEED CONFIGURATION - AMD 486DX Speed JP1 JP2 JP3 JP16 JP17 JP34 JP37 40MHz Closed Closed Open 2 & 3 Open 2 & 3 2 & 3 Note: pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP6 JP7 JP19 JP23 JP24 JP25 JP26 JP30 386 Open Open Closed 1 & 1 & 1 & 1 & 1 & 2 2 2 2 2 486DLC Open Open Open 2 & 1 & 1 & 1 & 2 & 3 3 2 2 2 486 Closed Closed Open 1 & 2 & 2 & 2 & 2 & 3 2 3 3 3 Note: pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP20 JP21 JP22 JP35 486SX Open Closed Open Open 487SX Closed pins 1 & 2 pins 1 & 2 Open open open 486DX/DX2 Closed pins 1 & 2 pins 2 & 3 Open open open CX486S Open pins 2 & 3 Open Open open CX486S2 Open pins 2 & 3 Open Closed open Note: pins designated should be in the closed position. CPU JUMPER CONFIGURATION Type JP6 JP7 JP19 JP23 JP24 JP25 JP26 JP30 386DX Open Open Closed 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 486DLC Open Open Closed 2 & 3 1 & 2 1 & 2 1 & 2 2 & 3 Note: pins designated should be in the closed position. CPU JUMPER CONFIGURATION CPU JP6 JP7 JP19 JP20 JP21 JP22 AMD486 Closed Closed Open Closed 1 & 2 2 & 3 CX486S Closed Closed Open Open 2 & 3 Open 486SX Closed Closed Open Open 2 & 3 Open 486DX/DX2 Closed Closed Open Closed 1 & 2 2 & 3 Note: pins designated should be in the closed position. CPU JUMPER CONFIGURATION CPU JP23 JP24 JP25 JP26 JP30 JP35 AMD486 1 & 2 2 & 3 2 & 3 2 & 3 Open 2 & 3 CX486S 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3 Open 486SX 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3 Open 486DX/DX2 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3 Open Note: pins designated should be in the closed position. VESA CPU TYPE CONFIGURATION CPU Type JP12 JP13 80386 pins 1 & 2 closed pins 2 & 3 closed 80486 pins 2 & 3 closed pins 1 & 2 closed VESA WAIT STATE/BUS SPEED CONFIGURATION CPU speed Wait states JP14 JP15 < 33MHz 0 wait states pins 1 & 2 pins 1 & 2 closed closed > 33MHz 1 wait state pins 2 & 3 pins 2 & 3 closed closed