AXIOM TECHNOLOGY, INC. AX80U86 Processor 80386DX/80486SX/80487SX/80486DX/80486DX2 Processor Speed 25/33/40/50(internal)/50/66(internal)MHz Chip Set OPTI Max. Onboard 32MB DRAM Cache 64/256KB BIOS Unidentified Dimensions 338mm x 112mm I/O Options Floppy drive interface, IDE interface, parallel port, serial ports (2), riser slot NPU Options 80387DX [Image] CONNECTIONS Purpose Location Purpose Location Power LED & keylock J1 Parallel port J9 Speaker J2 External battery J11 Reset switch J3 Auxiliary keyboard J12 connector IDE interface LED J4 Serial port 1 J13 Turbo switch J5 Serial port 2 J14 Floppy drive J6 iSBX bus slot SL1 interface IDE interface J7 USER CONFIGURABLE SETTINGS Function Jumper Position » Turbo enabled J5 Open Turbo disabled J5 Closed » Activate NMI to reset CPU when JP14 pins 2 & 3 watch dog times out closed Reset system when watch dog JP14 pins 1 & 2 times out closed Watch dog disabled JP14 Open » Time out period select 500ms JP15 pins 1 & 2 closed Time out period select 1 second JP15 pins 2 & 3 closed » COM2 IRQ select IRQ4 JP18 pins 9 & 10 closed COM2 IRQ select IRQ5 JP18 pins 11 & 12 closed » Parallel port IRQ select IRQ7 JP18 pins 13 & 14 closed Parallel port IRQ select IRQ5 JP18 pins 15 & 16 closed » IRQ14 buffered JP19 pins 1 & 2 closed IRQ14 not buffered JP19 pins 2 & 3 closed » IDE interface pin 34 used JP20 Closed IDE interface pin 34 not used JP20 Open » IDE interface enabled JP21 pins 2 & 3 closed IDE interface disabled JP21 pins 1 & 2 closed » Floppy drive interface enabled JP28 pins 2 & 3 closed Floppy drive interface disabled JP28 pins 1 & 2 closed » CMOS memory normal operation JP29 pins 2 & 3 closed CMOS memory clear JP29 pins 1 & 2 closed » Monitor type select color JP30 Closed Monitor type select monochrome JP30 Open » Factory configured - do not JP31 N/A alter » Factory configured - do not JP32 N/A alter » Factory configured - do not JP33 N/A alter DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 5MB (4) 256K x 9 (4) 1M x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 1M x 9 (4) 4M x 9 20MB (4) 4M x 9 (4) 1M x 9 32MB (4) 4M x 9 (4) 4M x 9 CACHE CONFIGURATION Size Bank 0 DIRTY TAG 0 TAG 1 64KB (8) 8K x 8 (1) 16K x 1 (1) 8K x 8 NONE 256KB (8) 32K x 8 (1) 16K x 1 (1) 8K x 8 (1) 8K x 8 CACHE JUMPER CONFIGURATION Size JP1 JP2 JP3 JP4 JP5 JP6 64KB 2 & 3 Open Open Open Open 2 & 3 256KB 2 & 3 Closed Closed Closed Closed 2 & 3 Note: Pins designated should be in the closed position. CPU TYPE CONFIGURATION Type JP7 JP8 JP9 JP10 JP11 JP12 JP13 80386DX 1 & N/A N/A N/A Open Open N/A 2 80486SX 2 & 2 & Open Open Open Closed 2 & 3 3 3 80487SX 2 & 1 & 2 & 3 Closed Open Closed 2 & 3 3 2 80486DX 2 & 1 & 1 & 2 Closed Open Closed 2 & 3 3 2 8048DX-50 2 & 1 & 1 & 2 Closed Closed Closed 1 & 2 3 2 80486DX2 2 & 1 & 1 & 2 Closed Open Closed 2 & 3 3 2 Note: Pins designated should be in the closed position. PARALLEL PORT CONFIGURATION Setting JP26 JP27 278 pins 2 & 3 closed pins 1 & 2 closed 378 pins 1 & 2 closed pins 2 & 3 closed 3BC pins 2 & 3 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SERIAL PORT 1 CONFIGURATION Setting JP22 JP25 2E8 pins 2 & 3 closed pins 2 & 3 closed 3E8 pins 1 & 2 closed pins 2 & 3 closed 3F8 pins 2 & 3 closed pins 1 & 2 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SERIAL PORT 2 CONFIGURATION Setting JP23 JP24 2E8 pins 1 & 2 closed pins 2 & 3 closed 2F8 pins 2 & 3 closed pins 1 & 2 closed 3E8 pins 2 & 3 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SERIAL PORT 2 IRQ CONFIGURATION IRQ JP18 IRQ3 pins 3 & 4 closed IRQ4 pins 1 & 2 closed IRQ5 pins 5 & 6 closed ISBX SLOT DMA CONFIGURATION Setting JP16 JP17 DACK5/DRQ5 pins 1 & 2 closed pins 1 & 2 closed DACK6/DRQ6 pins 3 & 4 closed pins 3 & 4 closed DACK7/DRQ7 pins 5 & 6 closed pins 5 & 6 closed Note: The location of jumper JP16 is unidentified.