DATAEXPERT CORPORATION EXP4044 Device Mainboard Type Processor CXM6/80486SX/CXM7/AM486DX/AM486DXL/80486DX2/80486DX4/ P24T Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set OPTI Maximum 64MB Onboard Memory Cache 64/128/256KB BIOS Award Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (3), green PC connector Options [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 Turbo LED JP2 Speaker J2 Green PC connector JP20 Reset switch J3 Turbo switch JP35 External battery J4 32-bit VESA local bus SL1 – SL3 slots USER CONFIGURABLE SETTINGS Function Label Position » Monitor type select color JP32 Closed Monitor type select monochrome JP32 Open » CMOS memory normal operation JP33 Pins 2 & 3 closed CMOS memory clear JP33 Pins 1 & 2 closed » L2 write through JP34 Pins 2 & 3 closed L2 write back JP34 Pins 1 & 2 closed SIMM CONFIGURATION 1 Size Bank 0 Bank 1 Bank 2 2MB (4) 256K x 9 None (1) 256K x 36 2MB None (1) 256K x 36 (1) 256K x 36 2MB None (1) 512K x 36 None 4MB (4) 1M x 9 None None 4MB None (1) 1M x 36 None 5MB (4) 256K x 9 None (1) 1M x 36 5MB None (1) 256K x 36 (1) 1M x 36 8MB (4) 1M x 9 None (1) 1M x 36 8MB None (1) 1M x 36 (1) 1M x 36 8MB None (1) 2M x 36 None 16MB (4) 4M x 9 None None 16MB None None (1) 4M x 36 17MB (4) 256K x 9 None (1) 4M x 36 17MB None (1) 256K x 36 (1) 4M x 36 20MB (4) 1M x 9 None (1) 4M x 36 20MB None (1) 1M x 36 (1) 4M x 36 32MB (4) 4M x 9 None (1) 4M x 36 32MB None (1) 4M x 36 (1) 4M x 36 32MB None (1) 8M x 36 None 64MB (4) 16M x 9 None None SIMM CONFIGURATION 2 Size Bank 0 Bank 1 Bank 2 2MB None (1) 512K x 36 None 4MB (4) 1M x 9 None None 4MB None (1) 512K x 36 (1) 512K x 36 8MB None (1) 2M x 36 None 10MB None (1) 512K x 36 (1) 2M x 36 16MB (4) 4M x 9 None None 16MB None (1) 2M x 36 (1) 2M x 36 32MB None (1) 8M x 36 None 64MB (4) 16M x 9 None None 64MB None (1) 8M x 36 (1) 8M x 36 SIMM JUMPER CONFIGURATION Configuration JP41 » 1 Pins 2 & 3 closed 2 Pins 1 & 2 closed 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) 32K x 8 256KB (4) 32K x 8 (4) 32K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP13 JP27 JP28 JP29 64KB Pins 2 & 3 Pins 1 & 2 Open Open closed closed 128KB Pins 1 & 2 Pins 1 & 2 Open Closed closed closed 256KB Pins 2 & 3 Pins 1 & 2 Closed Closed closed closed CPU SPEED SELECTION Speed JP3 JP4 JP17 25MHz Closed Closed Open 33MHz Closed Open Closed 40MHz Open Closed Closed 50iMHz Closed Closed Open 50MHz Closed Closed Closed 66iMHz Closed Open Closed 75iMHz Closed Closed Open 100iMHz Closed Open Closed CPU TYPE SELECTION Type JP5 JP6 JP8 JP19 JP24 JP39 JP43 CX M6 2 & 3 Open Open 1 & 2 1 & 2 1 & 2 Open 80486SX 2 & 3 Open Open 1 & 2 Open 2 & 3 Open AM486DX 1 & 2 2 & 3 1 & 2 1 & 2 Open 2 & 3 Open AM486DXL 1 & 2 2 & 3 1 & 2 1 & 2 Open 2 & 3 Open 80486DX 1 & 2 2 & 3 1 & 2 1 & 2 Open 2 & 3 Open 80486DX4 1 & 2 2 & 3 1 & 2 1 & 2 Open 2 & 3 Closed P24T 1 & 2 2 & 3 1 & 2 2 & 3 2 & 3 2 & 3 Open CX M7 1 & 2 2 & 3 1 & 2 1 & 2 1 & 2 1 & 2 Open Note: Pins designated should be in the closed position. CPU TYPE SELECTION (PQFP ONLY) Setting JP11 JP12 JP25 Enabled Open Open Closed » Disabled Closed Closed Open CPU MULTIPLIER SELECTION (80486DX4 ONLY) Multiplier JP36 JP37 JP38 2x Open Closed Open 2.5x Open Open Closed 3x Closed Open Open CPU VOLTAGE SELECTION Voltage JP44 JP45 JP46 3.3v Open Closed Pins 1 & 2 closed » 6v Closed Open Pins 2 & 3 closed VL BUS SPEED SELECTION Speed JP40 » <= 33MHz Pins 2 & 3 closed >33 MHz Pins 1 & 2 closed GREEN PC SELECTION Setting JP9 JP10 Enabled Closed Closed » Disabled Open Open