AMERICAN PREDATOR CORPORATION 386 NSX Processor 80386SX Processor Speed 20/25MHz Chip Set Unidentified Max. Onboard DRAM 16MB Cache None BIOS AMI Dimensions 254mm x 218mm I/O Options Floppy drive interface, IDE interface, parallel port, PS/2 mouse interface, serial ports (2) NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location External battery J10 Reset switch J19 Serial port 1 J13 Auxiliary keyboard J20 connector Serial port 2 J14 Speaker J21 Parallel port J15 Power LED & keylock J22 IDE interface J16 Turbo switch J23 pins 1 & 2 Floppy drive J17 Turbo LED J23 pins 3 & interface 4 IDE interface LED J18 PS/2 mouse J24 interface USER CONFIGURABLE SETTINGS Function Jumper Position » Serial port 2 IRQ select IRQ3 W1 pins 1 & 2 closed Serial port 2 IRQ select IRQ9 W1 pins 2 & 3 closed Serial port 2 IRQ select W1 pins 3 & 4 disabled closed » Serial port 1 IRQ select IRQ4 W2 pins 1 & 2 closed Serial port 1 IRQ select IRQ5 W2 pins 2 & 3 closed Serial port 1 IRQ select W2 pins 3 & 4 disabled closed » Parallel port IRQ select IRQ7 W3 pins 2 & 3 closed Parallel port IRQ select IRQ5 W3 pins 1 & 2 closed Parallel port IRQ select W3 pins 3 & 4 disabled closed » Flash BIOS write protect enabled W4 pins 1 & 2 closed Flash BIOS write protect W4 pins 2 & 3 disabled closed » Monitor type select color W5 pins 1 & 2 closed Monitor type select monochrome W5 pins 2 & 3 closed » Mouse type select Microsoft W6 pins 1 & 2 closed Mouse type select Mouse Systems W6 pins 2 & 3 closed » Mouse IRQ select IRQ12 W7 pins 1 & 2 closed Mouse disabled W7 pins 2 & 3 closed » CMOS memory normal operation W8 pins 1 & 2 closed CMOS memory clear W8 pins 2 & 3 closed » Battery type select internal W11 pins 2 & 3 closed Battery type select external W11 pins 1 & 2 closed DRAM CONFIGURATION Size Bank 0 Bank 1 Bank 2 Bank 3 1MB (2) 256K x 9 (2) 256K x 9 NONE NONE 2MB (2) 256K x 9 (2) 256K x 9 (2) 256K x 9 (2) 256K x 9 2MB (2) 1M x 9 NONE NONE NONE 3MB (2) 256K x 9 (2) 256K x 9 (2) 1M x 9 NONE 4MB (2) 1M x 9 (2) 1M x 9 NONE NONE 5MB (2) 256K x 9 (2) 256K x 9 (2) 1M x 9 (2) 1M x 9 6MB (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 NONE 8MB (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 9MB (2) 256K x 9 (2) 256K x 9 (2) 4M x 9 NONE 10MB (2) 1M x 9 (2) 4M x 9 NONE NONE 12MB (2) 1M x 9 (2) 1M x 9 (2) 4M x 9 NONE 16MB (2) 4M x 9 (2) 4M x 9 NONE NONE CPU SPEED CONFIGURATION Speed W9 W10 20MHz pins 1 & 2 closed pins 1 & 2 closed 25MHz pins 1 & 2 closed pins 2 & 3 closed