DATAEXPERT CORPORATION EXP8449 Device Mainboard Type Processor 80486SX/SL80486SX/UMC U5/CX 486DX/AM486DX/80486DX/ SL80486DX/TI486DX2/AMD Plus/AM486DX2/AM 486DXL/80486DX2/ AM486DX4/80486DX4/P24D/P24T/CX 5X86 Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set ALI Video Chip None Set Maximum 128MB Onboard Memory Maximum None Video Memory Cache 128/256/512KB BIOS AMI Dimensions 220mm x 220mm I/O 32-bit PCI slots (3), floppy drive interface, green PC connector, Options IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2) [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 IDE interface LED J2 Serial port 1 CN2 Reset switch J3 Floppy drive interface CN3 Turbo switch J4 Parallel port CN4 Turbo LED J5 IDE interface 1 CN5 Power LED & keylock J6 IDE interface 2 CN6 Speaker J7 PS/2 mouse port CN7 Green PC connector JP15 External battery J1 32-bit PCI slots PC1 – PC3 USER CONFIGURABLE SETTINGS Function Label Position Battery type select external J1 Closed CMOS memory clear J1 Pins 1 & 2 closed » Factory configured - do not JP4 Unidentified alter Parallel port IRQ select IRQ7 JP9 Pins 2 & 3 closed Parallel port IRQ select IRQ5 JP9 Pins 1 & 2 closed » Factory configured - do not JP14 Unidentified alter » Factory configured - do not JP18 Unidentified alter Flash BIOS voltage select 12v JP21 Pins 2 & 3 closed Flash BIOS voltage select 5v JP21 Pins 1 & 2 closed » Factory configured - do not JP22 Unidentified alter » Factory configured - do not JP41 Unidentified alter SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 4MB (1) 1M x 36 None None None 6MB (1) 512K x (1) 1M x 36 None None 36 8MB (1) 2M x 36 None None None 8MB (1) 1M x 36 (1) 1M x 36 None None 12MB (1) 2M x 36 (1) 1M x 36 None None 12MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 None 12MB (1) 1M x 36 (1) 2M x 36 None None 16MB (1) 4M x 36 None None None 16MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 None 16MB (1) 2M x 36 (1) 2M x 36 None None DIMM/SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 18MB (1) 512K x (1) 2M x 36 (1) 2M x 36 None 36 20MB (1) 4M x 36 (1) 1M x 36 None None 20MB (1) 2M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 20MB (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 None 22MB (1) 4M x 36 (1) 512K x (1) 512K x (1) 512K x 36 36 36 24MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 None 24MB (1) 4M x 36 (1) 2M x 36 None None 24MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 None 28MB (1) 4M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 32MB (1) 8M x 36 None None None 32MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 None 32MB (1) 4M x 36 (1) 4M x 36 None None 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 36MB (1) 8M x 36 (1) 1M x 36 None None 40MB (1) 8M x 36 (1) 1M x 36 (1) 1M x 36 None 40MB (1) 8M x 36 (1) 2M x 36 None None 40MB (1) 4M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 48MB (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 None 48MB (1) 8M x 36 (1) 4M x 36 None None 48MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 None 56MB (1) 8M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 56MB (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 4M x 36 (1) 4M x 36 None 64MB (1) 8M x 36 (1) 8M x 36 None None 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 56MB (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 None None 64MB (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 (1) 4M x 36 72MB (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 None 80MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 None 96MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 None 100MB (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 104MB (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 112MB (1) 4M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 128MB (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Size Bank 0 Bank 1 Bank 2 TAG 128KB (A) None None (4) 32K x 8 (1) 8K x 8 128KB (B) (1) 32K x None None (1) 8K x 8 32 256KB (A) None None (4) 64K x 8 (1) 16K/32K x 8 256KB (B) (1) 32K x None (4) 32K x 8 (1) 16K/32K x 8 32 256KB (C) (1) 32K x (1) 32K x None (1) 16K/32K x 8 32 32 512KB None None (4) 128K x (1) 32K x 8 8 CACHE JUMPER CONFIGURATION Size JP17 JP20 JP37 JP42 128KB (A) Open Open Pins 1 & 2 Pins 1 & 2 closed closed 128KB (B) Open Open Pins 1 & 2 Pins 1 & 2 closed closed 256KB (A) Open Closed Pins 1 & 2 Pins 2 & 3 closed closed 256KB (B) Open Closed Pins 2 & 3 Pins 2 & 3 closed closed 256KB (C) Open Closed Pins 2 & 3 Pins 2 & 3 closed closed 512KB Closed Closed Pins 1 & 2 Pins 2 & 3 closed closed CPU SPEED SELECTION Speed JP11 JP12 JP13 JP16 25MHz Open Open Pins 2 & 3 Open closed 33MHz Closed Closed Pins 2 & 3 Open closed 40MHz Open Closed Pins 2 & 3 Open closed 40MHz Open Closed Pins 1 & 2 Closed closed 50iMHz Open Open Pins 2 & 3 Open closed 50MHz Closed Open Pins 1 & 2 Closed closed 66iMHz Closed Closed Pins 2 & 3 Open closed 75iMHz Open Open Pins 2 & 3 Open closed 100iMHz Closed Closed Pins 2 & 3 Open closed Note: Either setting may be used for 40MHz. CPU TYPE SELECTION Type JP23 JP24 JP25 JP26 80486SX Open Open 1 & 2 1 & 2 SL80486SX Open Closed 1 & 2 1 & 2 UMC U5 Open Open 1 & 2 1 & 2 CX 486DX Open Closed 1 & 2 2 & 3 AM486DX Open Open 1 & 2 2 & 3 80486DX Open Open 1 & 2 2 & 3 SL80486DX Open Closed 1 & 2 2 & 3 TI486DX2 Open Closed 1 & 2 2 & 3 AMD Plus 1 & 2 Closed 2 & 3 2 & 3 AM486DX2 2 & 3 Open 1 & 2 2 & 3 AM 486DXL Open Open 1 & 2 2 & 3 80486DX2 Open Open 1 & 2 2 & 3 AM486DX4 Open Open 1 & 2 2 & 3 80486DX4 Open Closed 1 & 2 2 & 3 P24D 1 & 2 Closed 2 & 3 2 & 3 P24T Open Closed 2 & 3 2 & 3 CX 5X86 1 & 2 Closed 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP27 JP30 JP31 JP32 80486SX 1 & 2 Open Open Open SL80486SX 3 & 4 3 & 4 Open Open UMC U5 1 & 2 Open Open Open CX 486DX 5 & 6 5 & 6 2 & 3 1 & 2 AM486DX 1 & 2 Open 2 & 3 Open 80486DX 1 & 2 Open 2 & 3 Open SL80486DX 3 & 4 3 & 4 2 & 3 Open TI486DX2 5 & 6 5 & 6 2 & 3 1 & 2 AMD Plus 3 & 4 3 & 4 2 & 3 2 & 3 AM486DX2 1 & 2 Open 2 & 3 Open AM 486DXL 1 & 2 1 & 2 2 & 3 Open 80486DX2 1 & 2 Open 2 & 3 Open AM486DX4 1 & 2 Open 2 & 3 Open 80486DX4 3 & 4 3 & 4 2 & 3 Open P24D 3 & 4 3 & 4 2 & 3 2 & 3 P24T 3 & 4 3 & 4 1 & 2 Open CX 5X86 3 & 4 3 & 4 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE SELECTION (CON’T) Type JP33 JP35 JP36 80486SX Open Open Open SL80486SX 3 & 4 Open Open UMC U5 Open Open Open CX 486DX 5 & 6 Open Open AM486DX Open Open Open 80486DX Open Open Open SL80486DX 3 & 4 Open Open TI486DX2 5 & 6 Open Open AMD Plus 3 & 4 Open Open AM486DX2 Open Open Open AM 486DXL 1 & 2 Open Open 80486DX2 Open Open Open AM486DX4 Open Open Open 80486DX4 3 & 4 Open Open P24D 3 & 4 Open Open P24T 3 & 4 Open Open CX 5X86 3 & 4 1 & 2 Open Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP28 JP29 JP34 3.45v Pins 2 & 3 Pins 3 & 4 Pins 2 & 3 closed closed closed 3.6v Pins 2 & 3 Pins 5 & 6 Pins 2 & 3 closed closed closed 4v Pins 2 & 3 Pins 1 & 2 Pins 2 & 3 closed closed closed 5v Pins 1 & 2 Open Pins 1 & 2 closed closed DMA CHANNEL SELECTION Channel JP5 JP6 1 Pins 1 & 2 closed Pins 1 & 2 closed 3 Pins 2 & 3 closed Pins 2 & 3 closed INTERNAL KEYBOARD SELECTION Setting JP19 JP39 JP40 » Enabled Open Closed Closed Disabled Closed Open Open