UNIDENTIFIED B800 SERIES Processor 80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2 Processor Speed 20/25/33/40/50 (Internal) /50/66 (Internal) Chip Set C & T Max. onboard DRAM32MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options None NPU Options 80387DX/CX487DLC [Image] CONNECTIONS Purpose Location Purpose Location External battery (4.5V) JP2 Speaker JP34B External battery (6.0V) JP31 Turbo LED JP34C External Keyboard JP33 Turbo switch JP34D Power LED & keylock JP34A Reset switch JP34E USER CONFIGURABLE SETTINGS Function Jumper/Switch Position » Monitor type select JP3 Open monochrome Monitor type select color JP3 Closed » IPC (82C206) normal operation JP6 Pins 1 & 2 closed IPC (82C206) clear JP6 Pins 2 & 3 closed » Rechargeable battery enabled JP32 Closed Rechargeable battery disabled JP32 Open 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 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG0 TAG1 64KB (4) 8K x 8 (4) 8K x 8 (1) 8K x 8 NONE 128KB (4) 32K x 8 NONE (1) 8K x 8 NONE 256KB (4) 32K x 8 (4) 32K x 8 (1) 8K x 8 (1) 8K x 8 CACHE JUMPER CONFIGURATION Size JP8A JP8B JP8C JP8E JP8F 64KB Pins 2 & Pins 1 & Pins 1 & Pins 2 & Pins 1 & 3 2 2 3 2 128KB Pins 1 & Pins 2 & Pins 2 & Pins 1 & Pins 1 & 2 3 3 2 2 256KB Pins 2 & Pins 1 & Pins 1 & Pins 1 & Pins 2 & 3 2 2 2 3 Note:Pins designated should be in the closed position. CPU TYPE/SPEED CONFIGURATION Type/Speed JP40/pins 1 JP40/pins 2 JP40/pins 3 JP40/pins 4 & 7 & 8 & 9 & 10 80386DX/33MHz Closed Open Closed Open 80386DX/40MHz Closed Open Open Closed 80486DLC/33MHz Closed Open Closed Open 80486DLC/40MHz Closed Open Open Closed 80486SX/20MHz Closed Closed Closed Closed 80486SX/25MHz Open Open Closed Closed 80486DX/33MHz Open Open Closed Open 80486DX/50MHz Open Open Open Open 80486DX2/50i MHz Open Open Closed Closed 80486DX2/66i MHz Open Open Closed Open CPU TYPE CONFIGURATION Jumper 386DX 486DLC 486SX/DX/DX2 487DX W1A Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W1B Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W1C Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W2A Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W2C Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W2D Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W2E Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W2G Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W2H Pins 2 & 3 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W3A Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 Pins 2 & 3 closed closed closed closed W3B Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed closed W4 Pins 1 & 2 Pins 2 & 3 Pins 1 & 2 Pins 1 & 2 closed closed closed closed 80486 CPU CONFIGURATION Type JP12 JP13 JP30 80486SX Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed 80487SX Pins 1 & 2 Pins 1 & 2 Pins 2 & 3 closed closed closed 80486DX Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed 80486DX2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed