MECER CORPORATION B810C (REV. B) Processor 80386DX/CX486M6/80486SX/80486DX/80486DX2 Processor Speed 25/33/40/50(internal)/50/66(internal)MHz Chip Set Unidentified Max. Onboard DRAM128MB Cache 128/256KB BIOS AMI Dimensions 254mm x 218mm I/O Options None NPU Options 80387DX [Image] CONNECTIONS Purpose Location Purpose Location Auxiliary keyboard JP1 Turbo LED JP27 pins 11 - connector 12 External battery JP12 Turbo switch JP27 pins 16 - 17 Power LED & keylock JP27 pins 1 - Reset switch JP27 pins 19 - 5 20 Speaker JP27 pins 7 - 10 USER CONFIGURABLE SETTINGS Function Jumper Position » Monitor type select monochrome JP10 pins 1 & 2 closed Monitor type select color JP10 pins 2 & 3 closed » Factory configured - do not JP17 N/A alter » Factory configured - do not JP18 N/A alter » Factory configured - do not JP21 N/A alter » Factory configured - do not JP22 N/A alter » Factory configured - do not JP33 pins 1 & 2 alter closed » Factory configured - do not JP34 pins 2 & 3 alter 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 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 17MB (4) 256K x 9 (4) 4M x 9 20MB (4) 1M x 9 (4) 4M 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 68MB (4) 1M x 9 (4) 16M x 9 80MB (4) 4M x 9 (4) 16M x 9 128MB (4) 16M x 9 (4) 16M x 9 CACHE CONFIGURATION Size Bank 0 Bank 1 TAG 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 JP24 JP25 128KB Open pins 2 & 3 closed 256KB Closed pins 1 & 2 closed CPU TYPE CONFIGURATION Type JP2 JP3 JP4 JP11 JP14 JP15 80386DX 2 & 3 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 CX486M6-33 2 & 3 2 & 3 1 & 2 1 & 2 2 & 3 Open CX486M6-40 2 & 3 2 & 3 1 & 2 2 & 3 2 & 3 Open CX486M6-33 2 & 3 2 & 3 1 & 2 1 & 2 2 & 3 1 & 2 (C6) CX486M6-40 2 & 3 2 & 3 1 & 2 2 & 3 2 & 3 1 & 2 (C6) 80486SX 1 & 2 2 & 3 2 & 3 1 & 2 2 & 3 Open 80486DX-33 1 & 2 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 80486DX-40 1 & 2 2 & 3 2 & 3 2 & 3 2 & 3 1 & 2 80486DX-50 1 & 2 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 80486DX2 1 & 2 2 & 3 2 & 3 1 & 2 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP16 JP19 JP28 JP29 JP30 JP31 JP32 80386DX 2 & 2 & Closed Open Open Closed Closed 3 3 CX486M6-33 1 & 2 & Open Closed Closed Open Open 2 3 CX486M6-40 1 & 1 & Open Closed Closed Open Open 2 2 CX486M6-33 2 & 2 & Open Open Open Closed Closed (C6) 3 3 CX486M6-40 2 & 1 & Open Open Open Closed Closed (C6) 3 2 80486SX 1 & 2 & Open Open Open Closed Closed 2 3 80486DX-33 2 & 2 & Open Open Open Closed Closed 3 3 80486DX-40 2 & 1 & Open Open Open Closed Closed 3 2 80486DX-50 2 & 2 & Open Open Open Closed Closed 3 3 80486DX2 2 & 2 & Open Open Open Closed Closed 3 3 Note: Pins designated should be in the closed position. CPU SPEED CONFIGURATION Speed J1 25MHz pins 3 & 4 closed 33MHz pins 1 & 2 closed 40Mhz (80386) pins 6 & 8 closed 40Mhz (80486) pins 1 & 2, 3 & 4 closed 50iMHz pins 3 & 4 closed 50MHz pins 3 & 4 closed 66iMHz pins 1 & 2 closed