AXIOM TECHNOLOGY, INC. AX8245H Processor 80486SX/CX486DX/AM486WB/AM486DX/80486DX/CX486DX2/ AM486DX2/80486DX2/CX486DX4/AM486DX4/80486DX4/CX5X86/ AM5X86 Processor 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/ Speed 100(internal)/120(internal)/133(internal)MHz Chip Set Unidentified Video Chip Unidentified Set Maximum 64MB Onboard Memory Maximum 1MB Video Memory Cache 128/256/512KB BIOS Award Dimensions 185mm x 122mm I/O Options Floppy drive interface, green PC connector, IDE interface, parallel port, PS/2 mouse port/keyboard, serial ports (2), VGA port, flat panel connector, PC104 connectors (2) NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Auxiliary keyboard EXKB connector VGA port CN2 Turbo LED JP2 Serial port 2 CN3 IDE interface LED JP3 Parallel port CN4 Reset switch JP5 IDE interface CN5 Power LED & JP8 keylock Floppy drive interface CN6 Green PC connector JP10 Flat panel connector CN7 PC104 connector 104AB PS/2 mouse CN8 PC104 connector 104CD port/keyboard USER CONFIGURABLE SETTINGS Function Label Position » CN8 used as keyboard connector JP13 Pins 2 & 3, 5 & 6 closed CN8 used as PS/2 mouse port JP13 Pins 1 & 2, 4 & 5 closed DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (1) 256K x 36 None 2MB (1) 256K x 36 (1) 256K x 36 2MB (1) 512K x 36 None 3MB (1) 256K x 36 (1) 512K x 36 4MB (1) 512K x 36 (1) 512K x 36 4MB (1) 1M x 36 None 5MB (1) 256K x 36 (1) 1M x 36 6MB (1) 512K x 36 (1) 1M x 36 8MB (1) 1M x 36 (1) 1M x 36 8MB (1) 2M x 36 None 10MB (1) 512K x 36 (1) 2M x 36 12MB (1) 1M x 36 (1) 2M x 36 16MB (1) 2M x 36 (1) 2M x 36 20MB (1) 1M x 36 (1) 4M x 36 24MB (1) 2M x 36 (1) 4M x 36 32MB (1) 4M x 36 (1) 4M x 36 32MB (1) 8M x 36 None 36MB (1) 1M x 36 (1) 8M x 36 40MB (1) 2M x 36 (1) 8M x 36 48MB (1) 4M x 36 (1) 8M x 36 64MB (1) 8M x 36 (1) 8M x 36 CACHE CONFIGURATION Note: The location of the cache is unidentified. VIDEO MEMORY CONFIGURATION Note: 1MB video memory is factory installed and not configurable. CPU SPEED SELECTION Speed JP4 25MHz Pins 3 & 4 closed 33MHz Pins 1 & 2, 3 & 4, 5 & 6 closed 40MHz Pins 1 & 2, 5 & 6 closed 50iMHz Pins 3 & 4 closed 66iMHz Pins 1 & 2, 3 & 4, 5 & 6 closed 75iMHz Pins 3 & 4 closed 80iMHz Pins 1 & 2, 5 & 6 closed 100iMHz Pins 1 & 2, 3 & 4, 5 & 6 closed 120iMHz Pins 1 & 2, 5 & 6 closed 133iMHz Pins 1 & 2, 3 & 4, 5 & 6 closed CPU TYPE SELECTION Type JP7 80486SX 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 20, 22 & 24 CX486DX 1 & 2, 6 & 8, 9 & 10, 11 & 13, 14 & 16, 15 & 17, 19 & 21, 22 & 24, 25 & 26 AM486 WB 1 & 3, 5 & 6, 8 & 10, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 23 & 24, 25 & 26 AM486DX 4 & 6, 9 & 11, 15 & 16, 19 & 21, 22 & 24, 25 & 26 80486DX 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 22 & 24, 25 & 26 CX486DX2 1 & 2, 6 & 8, 9 & 10, 11 & 13, 14 & 16, 15 & 17, 19 & 21, 22 & 24, 25 & 26 AM486DX2 4 & 6, 9 & 11, 15 & 16, 17 & 18, 19 & 21, 22 & 24, 25 & 26 80486DX2 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 22 & 24, 25 & 26 CX486DX4 1 & 2, 6 & 8, 9 & 10, 11 & 13, 14 & 16, 15 & 17, 19 & 21, 22 & 24, 25 & 26 AM486DX4 4 & 6, 9 & 11, 15 & 16, 19 & 21, 22 & 24, 25 & 26 80486DX4 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 22 & 24, 25 & 26 CX5X86 1 & 3, 5 & 6, 8 & 10, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 23 & 24, 25 & 26 CX5X86-133 1 & 3, 5 & 6, 7 & 9, 8 & 10, 11 & 12, 14 & 16, 15 & 17, 19 & 21, 23 & 24, 25 & 26 AM5X86 1 & 3, 5 & 6, 7 & 9, 8 & 10, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 23 & 24, 25 & 26 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP9 » 3.3v Pins 2 & 3 closed 5v Pins 1 & 2 closed SERIAL PORT 1 INTERRUPT SELECTION IRQ JP4 » IRQ4 Pins 7 & 8 closed IRQ11 Pins 8 & 10 closed SERIAL PORT 2 INTERRUPT SELECTION IRQ JP4 » IRQ3 Pins 9 & 11 closed IRQ10 Pins 11 & 12 closed SERIAL PORT 2 SELECTION Setting JP6 » RS-232 Pins 1 & 2 closed RS-422 Pins 1 & 3, 5 & 6, 7 & 8, 9 & 10, 11 & 12 closed RS-485 Pins 1 & 3, 4 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16 closed