AXIOM TECHNOLOGY, INC. AX8158 Processor Pentium Processor Speed 75/90/100/120/133/166/MHz Chip Set SIS Video Chip Set None Maximum Onboard Memory 128MB (EDO supported) Maximum Video Memory None Cache 256/512/1024KB BIOS AMI Dimensions 388mm x 122mm I/O Options Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, PS/2 mouse interface, serial ports (2), cache slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location IDE interface LED CN1 Serial port 2 CN9 Reset switch CN2 Auxiliary keyboard CN10 connector Speaker CN3 PS/2 mouse interface CN11 IDE interface 1 CN5 Serial port 1 CN12 IDE interface 2 CN6 PS/2 mouse port CN14 Floppy drive CN7 Cache slot SL1 interface Parallel port CN8 USER CONFIGURABLE SETTINGS Function Label Position » PCI bus clock select CPUCLK/2 J7 Pins 1 & 2 closed PCI bus clock select 32MHz J7 Pins 2 & 3 closed » CPU NA# mode disabled J8 Pins 1 & 2 closed CPU NA# mode enabled J8 Pins 2 & 3 closed » CPU cache type select write back J9 Pins 1 & 2 closed CPU cache type select write J9 Pins 2 & 3 through closed » Parallel port IRQ select IRQ7 J12 Pins 1 & 2 closed Parallel port IRQ select IRQ5 J12 Pins 2 & 3 closed » WDT function select NMI J13 Pins 1 & 2 closed WDT function select reset J13 Pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (1) 256K x None None None 36 2MB (1) 256K x (1) 256K x None None 36 36 4MB (1) 256K x (1) 256K x (1) 256K x (1) 256K x 36 36 36 36 4MB (1) 512K x (1) 512K x None None 36 36 4MB (1) 1M x 36 None None None 6MB (1) 256K x (1) 256K x (1) 512K x (1) 512K x 36 36 36 36 8MB (1) 512K x (1) 512K x (1) 512K x (1) 512K x 36 36 36 36 8MB (1) 1M x 36 (1) 1M x 36 None None 10MB (1) 256K x (1) 256K x (1) 1M x 36 (1) 1M x 36 36 36 12MB (1) 512K x (1) 512K x (1) 1M x 36 (1) 1M x 36 36 36 16MB (1) 2M x 36 (1) 2M x 36 None None 16MB (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 (1) 1M x 36 16MB (1) 4M x 36 None None None 18MB (1) 256K x (1) 256K x (1) 2M x 36 (1) 2M x 36 36 36 20MB (1) 512K x (1) 512K x (1) 2M x 36 (1) 2M x 36 36 36 24MB (1) 1M x 36 (1) 1M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 (1) 2M x 36 32MB (1) 4M x 36 (1) 4M x 36 None None 34MB (1) 256K x (1) 256K x (1) 4M x 36 (1) 4M x 36 36 36 36MB (1) 512K x (1) 512K x (1) 4M x 36 (1) 4M x 36 36 36 40MB (1) 1M x 36 (1) 1M x 36 (1) 4M x 36 (1) 4M x 36 48MB (1) 2M x 36 (1) 2M x 36 (1) 4M x 36 (1) 4M x 36 64MB (1) 4M 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 66MB (1) 256K x (1) 256K x (1) 8M x 36 (1) 8M x 36 36 36 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 Bank 3 68MB (1) 512K x (1) 512K x (1) 8M x 36 (1) 8M x 36 36 36 72MB (1) 1M x 36 (1) 1M x 36 (1) 8M x 36 (1) 8M x 36 80MB (1) 2M x 36 (1) 2M x 36 (1) 8M x 36 (1) 8M x 36 96MB (1) 4M x 36 (1) 4M 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 Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. CACHE CONFIGURATION Size Bank 0 SL1 TAG 256KB (A) (8) 32K x 8 Not installed (1) 32K x 8 256KB (B) None 256KB module None installed 512KB (A) (8) 64K x 8 Not installed (1) 32K x 8 512KB (B) None 512KB module None installed 1MB (8) 128K x 8 Not installed (1) 32K x 8 CACHE JUMPER CONFIGURATION Size J2 J3 256KB (A) Pins 1 & 2 closed Pins 1 & 2 closed 256KB (B) Pins 1 & 2 closed Pins 1 & 2 closed 512KB (A) Pins 1 & 2 closed Pins 2 & 3 closed 512KB (B) Pins 1 & 2 closed Pins 2 & 3 closed 1MB Pins 2 & 3 closed Pins 2 & 3 closed CACHE TYPE CONFIGURATION Type J1 » Asynchronous Pins 1 & 2 closed Burst/pipeline burst Pins 2 & 3 closed CPU SPEED SELECTION CPU speed Clock Multiplier J5 J6 J10 J11 speed 75MHz 50MHz 1.5x 1 & 2 2 & 3 1 & 2 1 & 2 90MHz 60MHz 1.5x 2 & 3 2 & 3 1 & 2 1 & 2 100MHz 66MHz 1.5x 1 & 2 1 & 2 1 & 2 1 & 2 120MHz 60MHz 2x 2 & 3 2 & 3 1 & 2 2 & 3 133MHz 66MHz 2x 1 & 2 1 & 2 1 & 2 2 & 3 166MHz 66MHz 2.5x 1 & 2 1 & 2 2 & 3 2 & 3 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage J4 J14 » 3.36v Pins 1 & 2 closed Pins 1 & 2 closed 3.53v Pins 2 & 3 closed Pins 2 & 3 closed