AAEON TECHNOLOGY, INC. SBC-400 Device Single board computer Type Processor 80486SX/SL80486SX/80486DX/SL80486DX/CX486DX2/SGS486DX2/TI486DX2/ IBM486DX2/AM486DX2/80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX4/ SL80486DX4/P24D/CX MISC/CX 5X86/ IBM 5X86/SGS 5X86/AM X5 Processor 25/33/40/50/50(internal)/66(internal)75(internal)/100(internal)/ Speed 120(internal)/133(internal)/160(internal)MHz Chip Set ALI 1489 Maximum 128MB (EDO supported) Onboard Memory Cache 128/256/512KB BIOS AMI Dimensions 185mm x 122mm I/O Floppy drive interface, IDE interface, parallel port, PS/2 mouse Options port, serial ports (2), PC/104 connectors (2) [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 C1 Auxiliary keyboard CN7 connector Serial port 2 C2 PS/2 mouse port J1 IDE interface CN1 Power LED & keylock JP12 Floppy drive CN2 Speaker JP13 interface Parallel port CN3 Reset switch JP14 Power connector CN4 Turbo LED JP15 PC/104 connector CN5 Turbo switch JP17 PC/104 connector CN6 Note: The location of JP14, JP15, JP17 is unidentified. USER CONFIGURABLE SETTINGS Function Label Position Watchdog timer select reset JP38 Pins 1 & 2 closed Watchdog timer select IRQ15 JP38 Pins 2 & 3 closed SIMM CONFIGURATION Size Bank 0 Bank 1 1MB (1) 256K x 36 None 2MB (1) 512K x 36 None 2MB (1) 256K x 36 (1) 256K x 36 3MB (1) 512K x 36 (1) 256K x 36 4MB (1) 1M x 36 None 4MB (1) 512K x 36 (1) 512K x 36 5MB (1) 1M x 36 (1) 256K x 36 6MB (1) 1M x 36 (1) 512K x 36 8MB (1) 2M x 36 None 8MB (1) 1M x 36 (1) 1M x 36 9MB (1) 2M x 36 (1) 256K x 36 10MB (1) 2M x 36 (1) 512K x 36 12MB (1) 2M x 36 (1) 1M x 36 16MB (1) 4M x 36 None 16MB (1) 2M x 36 (1) 2M x 36 17MB (1) 4M x 36 (1) 256K x 36 18MB (1) 4M x 36 (1) 512K x 36 20MB (1) 4M x 36 (1) 1M x 36 24MB (1) 4M x 36 (1) 2M x 36 32MB (1) 8M x 36 None 32MB (1) 4M x 36 (1) 4M x 36 33MB (1) 8M x 36 (1) 256K x 36 34MB (1) 8M x 36 (1) 512K x 36 36MB (1) 8M x 36 (1) 1M x 36 40MB (1) 8M x 36 (1) 2M x 36 48MB (1) 8M x 36 (1) 4M x 36 64MB (1) 8M x 36 (1) 8M x 36 64MB (1) 16M x 36 None 65MB (1) 16M x 36 (1) 256K x 36 66MB (1) 16M x 36 (1) 512K x 36 68MB (1) 16M x 36 (1) 1M x 36 72MB (1) 16M x 36 (1) 2M x 36 80MB (1) 16M x 36 (1) 4M x 36 96MB (1) 16M x 36 (1) 8M x 36 128MB (1) 16M x 36 (1) 16M x 36 Note: Board accepts EDO memory. CACHE CONFIGURATION Size Bank 0 TAG 128KB (4) 32K x 8 (1) 32K x 8 256KB (4) 64K x 8 (1) 32K x 8 512KB (4) 128K x 8 (1) 32K x 8 CACHE JUMPER CONFIGURATION Size JP1 128KB Open 256KB Pins 1 & 2 closed 512KB Pins 1 & 2, 3 & 4 closed CPU SPEED SELECTION Speed JP7 JP8 25MHz Pins 1 & 2 closed Open 33MHz Pins 2 & 3 closed Pins 3 & 4, 5 & 6 closed 40MHz Pins 2 & 3 closed Pins 1 & 2, 5 & 6 closed 50MHz Pins 1 & 2 closed Pins 1 & 2, 3 & 4 closed 50iMHz Pins 1 & 2 closed Open 66iMHz Pins 2 & 3 closed Pins 3 & 4, 5 & 6 closed 75iMHz Pins 1 & 2 closed Open 100iMHz Pins 2 & 3 closed Pins 3 & 4, 5 & 6 closed 120iMHz Pins 2 & 3 closed Pins 1 & 2, 5 & 6 closed 133iMHz Pins 2 & 3 closed Pins 3 & 4, 5 & 6 closed 150iMHz Pins 1 & 2 closed Open 160iMHz Pins 2 & 3 closed Pins 1 & 2, 5 & 6 closed CPU TYPE SELECTION Type JP2 80486SX 1 & 2, 19 & 20, 23 & 24, 25 & 26 SL80486SX 1 & 4, 2 & 5, 8 & 9, 14 & 17, 19 & 20, 23 & 24, 25 & 26 80486DX 1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26 SL80486DX 1 & 4, 2 & 5, 8 & 9, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 25 & 26 CX486DX2 1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 & 21, 22 & 23, 25 & 26 SGS486DX2 1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 & 21, 22 & 23, 25 & 26 TI486DX2 1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 & 21, 22 & 23, 25 & 26 IBM486DX2 1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 & 21, 22 & 23, 25 & 26 AM 486DX2 1 & 4, 2 & 5, 8 & 9, 10 & 11, 13, & 16, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27 80486DX2 1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26 SL80486DX2 1 & 4, 2 & 5, 8 & 9, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 25 & 26 AM486DX4 1 & 2, 3 & 6, 13 & 16, 18 & 21, 19 & 20, 22 & 23, 25 & 26 (SL)AM486DX4 1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27 SL80486DX4 1 & 4, 2 & 5, 8 & 9, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 25 & 26 P24D 1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27 CX MISC 1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27 CX 5X86 1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 25 & 26 IBM 5X86 1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 25 & 26 SGS 5X86 1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 25 & 26 AM X5-133/150 1 & 4, 2 & 5, 8 & 9, 10 & 11, 13, & 16, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27 AM X5-160 1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP5 JP6 3.3v Pins 1 & 3, 2 & 4 Pins 2 & 4 closed closed 3.45v Pins 1 & 3, 2 & 4 Pins 3 & 5 closed closed 3.6v Pins 1 & 3, 2 & 4 Pins 4 & 6 closed closed 4v Pins 3 & 5, 4 & 6 Open closed 5v Pins 1 & 3, 2 & 4 Pins 1 & 3 closed closed DMA CHANNEL SELECTION Channel JP10 JP11 1 Pins 1 & 3, 2 & 4 Pins 1 & 3, 2 & 4 closed closed 3 Pins 3 & 5, 4 & 6 Pins 3 & 5, 4 & 6 closed closed Note: The location of JP11 is unidentified. SERIAL PORT INTERRUPT SELECTION Serial port 1 Serial port 2 JP9 IRQ3 IRQ4 Pins 1 & 2, 3 & 4 closed IRQ4 IRQ3 Pins 1 & 3, 2 & 4 closed IRQ11 IRQ12 Pins 5 & 7, 6 & 8 closed IRQ12 IRQ11 Pins 5 & 6, 7 & 8 closed Note: Pins designated should be in the closed position. SERIAL PORT 2 SELECTION Setting JP23 JP39 RS-232 Open Closed RS-422 Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10, Open 11 & 12 closed RS-485 Pins 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & Open 12, 13 & 14, 15 & 16 closed