UNIDENTIFIED J-403TG 486 GREEN VLB Processor 80486SX/CX486DX/80486DX/80486DX2/80486DX4 Processor Speed 25/33/40/50(internal)/50/66(internal)MHz Chip Set OPTI Max. Onboard DRAM128MB Cache 64/128/256KB BIOS AMI/Award Dimensions 330mm x 218mm I/O Options 32-bit VESA local bus slots (3), green PC connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Reset switch J1 Power LED & keylock J6 External battery J2 Green PC connector JP6 Speaker J3 Green PC connector JP39 (monitor) Turbo switch J4 Green PC LED JP41 Turbo LED J5 32-bit VESA local bus SL1 - SL3 slots USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not JP1 Open alter » CMOS memory normal operation JP2 pins 2 & 3 closed CMOS memory clear JP2 pins 1 & 2 closed » Factory configured - do not JP7 Open alter » Factory configured - do not JP12 Open alter » Factory configured - do not JP16 Open alter » Factory configured - do not JP19 Open alter » Factory configured - do not JP22 Open alter » Factory configured - do not JP26 Open alter » Factory configured - do not JP30 Open alter » Factory configured - do not U28 Open alter DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 JP5 2MB (4) 256K x NONE NONE (1) 256K x 2 & 3 9 36 2MB NONE NONE NONE (1) 512K x 1 & 2 36 4MB (4) 1M x 9 NONE NONE NONE 2 & 3 4MB NONE NONE NONE (1) 1M x 1 & 2 36 4MB (4) 256K x (1) 256K x (1) 256K x (1) 256K x 2 & 3 9 36 36 36 4MB NONE NONE (1) 512K x (1) 512K x 1 & 2 36 36 5MB (4) 256K x NONE NONE (1) 1M x 2 & 3 9 36 6MB (4) 256K x NONE (1) 1M x (1) 256K x 2 & 3 9 36 36 6MB NONE NONE (1) 1M x (1) 512K x 1 & 2 36 36 8MB (4) 1M x 9 NONE NONE (1) 1M x 2 & 3 36 8MB NONE NONE NONE (1) 2M x 1 & 2 36 8MB NONE NONE (1) 1M x (1) 1M x 1 & 2 36 36 10MB (4) 256K x NONE (1) 2M x (1) 256K x 2 & 3 9 36 36 10MB (4) 256K x (1) 1M x (1) 1M x (1) 256K x 2 & 3 9 36 36 36 10MB NONE NONE (1) 2M x (1) 512K x 1 & 2 36 36 10MB NONE (1) 1M x (1) 1M x (1) 512K x 1 & 2 36 36 36 12MB (4) 1M x 9 NONE (1) 2M x NONE 2 & 3 36 12MB NONE (1) 1M x (1) 1M x (1) 1M x 1 & 2 36 36 36 12MB (4) 1M x 9 (1) 1M x (1) 1M x NONE 2 & 3 36 36 16MB (4) 4M x 9 NONE NONE NONE 2 & 3 16MB NONE NONE NONE (1) 4M x 1 & 2 36 16MB (4) 1M x 9 (1) 1M x (1) 1M x (1) 1M x 2 & 3 36 36 36 16MB NONE NONE (1) 2M x (1) 2M x 1 & 2 36 36 17MB (4) 256K x NONE NONE (1) 4M x 2 & 3 9 36 20MB (4) 1M x 9 NONE NONE (1) 4M x 2 & 3 36 20MB (4) 1M x 9 NONE (1) 4M x NONE 2 & 3 36 20MB NONE NONE (1) 4M x (1) 1M x 1 & 2 36 36 32MB (4) 4M x 9 NONE NONE (1) 4M x 2 & 3 36 32MB NONE NONE NONE (1) 8M x 1 & 2 36 32MB (4) 4M x 9 NONE (1) 4M x NONE 2 & 3 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 JP5 32MB NONE NONE (1) 4M x (1) 4M x 1 & 2 36 36 64MB (4) 16M x NONE NONE NONE 2 & 3 9 64MB NONE NONE NONE (1) 16M x 1 & 2 36 64MB (4) 4M x (1) 4M x (1) 4M x (1) 4M x 2 & 3 9 36 36 36 64MB NONE NONE (1) 8M x (1) 8M x 1 & 2 36 36 128MB (4) 16M x NONE NONE (1) 16M x 2 & 3 9 36 128MB NONE NONE NONE (1) 32M x 1 & 2 36 128MB (4) 16M x NONE (1) 16M x NONE 2 & 3 9 36 128MB NONE NONE (1) 16M x (1) 16M x 1 & 2 36 36 Note: Pins designated should be in the closed positon. 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 JP27 JP28 64KB pins 2 & 3 Open Open closed 128KB pins 1 & 2 Closed Open closed 256KB pins 2 & 3 Closed Closed closed CPU TYPE CONFIGURATION Type JP9 JP10 JP11 JP13 JP15 80486SX Open Open pins 1 & 2 Open Open closed SL80486SX Open Closed pins 1 & 2 Open Open closed CX486DX Closed Open pins 2 & 3 pins 1 & 2 Closed closed closed 80486DX Open Open pins 1 & 2 pins 1 & 2 Open closed closed SL80486DX Open Closed pins 1 & 2 pins 1 & 2 Open closed closed 80486DX2 Open Open pins 1 & 2 pins 1 & 2 Open closed closed SL80486DX2 Open Closed pins 1 & 2 pins 1 & 2 Open closed closed 80486DX4 Open Closed pins 1 & 2 pins 1 & 2 Open closed closed CPU TYPE CONFIGURATION Type JP20 JP21 JP23 JP32 JP40 80486SX Open Open 2 & 3 Open 1 & 2, 3 & 4 SL80486SX Open Open 2 & 3 Open 1 & 2, 3 & 4 CX486DX Open Open 1 & 2, 3 1 & 2 1 & 2, 3 & 4 & 4 80486DX Open Open 1 & 2, 3 Open 1 & 2, 3 & 4 & 4 SL80486DX Closed Closed 1 & 2, 3 Open 1 & 2, 3 & 4 & 4 80486DX2 Open Open 1 & 2, 3 Open 1 & 2, 3 & 4 & 4 SL80486DX2 Closed Closed 1 & 2, 3 Open 1 & 2, 3 & 4 & 4 80486DX4 Closed Closed 1 & 2, 3 2 & 3 1 & 2 & 4 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed JP17 JP18 25MHz Open Open 33MHz Closed Closed 40MHz Closed Open 50iMHz Open Open 50MHz Open Closed 66iMHz Closed Closed CPU VOLTAGE CONFIGURATION Voltage JP29 3.3v pins 3 & 5, 4 & 6 closed 5.0v pins 1 & 3, 2 & 4 closed VESA WAIT STATE CONFIGURATION Wait states JP35 0 wait states Open 1 wait state Closed BUS SPEED CONFIGURATION CPU speed JP31 JP33 JP37 <= 33MHz pins 1 & 2 pins 2 & 3 Open closed closed > 33MHz pins 2 & 3 pins 1 & 2 Closed closed closed