AAEON TECHNOLOGY, INC.
SBC-400
| 
 Device Type  | 
 Single board computer  | 
| 
 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 Speed  | 
 25/33/40/50/50(internal)/66(internal)75(internal)/100(internal)/ 120(internal)/133(internal)/160(internal)MHz  | 
| 
 Chip Set  | 
 ALI 1489  | 
| 
 Maximum Onboard Memory  | 
 128MB (EDO supported)  | 
| 
 Cache  | 
 128/256/512KB  | 
| 
 BIOS  | 
 AMI  | 
| 
 Dimensions  | 
 185mm x 122mm  | 
| 
 I/O Options  | 
 Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), PC/104 connectors (2)  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 C1  | 
 Auxiliary keyboard connector  | 
 CN7  | 
| 
 Serial port 2  | 
 C2  | 
 PS/2 mouse port  | 
 J1  | 
| 
 IDE interface  | 
 CN1  | 
 Power LED & keylock  | 
 JP12  | 
| 
 Floppy drive interface  | 
 CN2  | 
 Speaker  | 
 JP13  | 
| 
 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 closed  | 
 Pins 2 & 4 closed  | 
| 
 3.45v  | 
 Pins 1 & 3, 2 & 4 closed  | 
 Pins 3 & 5 closed  | 
| 
 3.6v  | 
 Pins 1 & 3, 2 & 4 closed  | 
 Pins 4 & 6 closed  | 
| 
 4v  | 
 Pins 3 & 5, 4 & 6 closed  | 
 Open  | 
| 
 5v  | 
 Pins 1 & 3, 2 & 4 closed  | 
 Pins 1 & 3 closed  | 
| 
 DMA CHANNEL SELECTION  | 
||
| 
 Channel  | 
 JP10  | 
 JP11  | 
| 
 1  | 
 Pins 1 & 3, 2 & 4 closed  | 
 Pins 1 & 3, 2 & 4 closed  | 
| 
 3  | 
 Pins 3 & 5, 4 & 6 closed  | 
 Pins 3 & 5, 4 & 6 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, 11 & 12 closed  | 
 Open  | 
| 
 RS-485  | 
 Pins 3 & 4, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16 closed  | 
 Open  |