LEADING EDGE PRODUCTS, INC. MODEL D3/SX (VERSION 1) Processor 80386SX Processor Speed 16MHz Chip Set Zymos Max. onboard DRAM 4MB Cache None BIOS Leading Edge Dimensions 325mm x 308mm I/O Options Floppy drive interface, mouse port, parallel port, serial ports (2) NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location Mouse port CN1 Parallel port CN4 Serial port 2 CN2 Floppy drive interface CN5 Serial port 1 CN3 USER CONFIGURABLE SETTINGS Function Jumper Position » Floppy drive interface J19 pins 2 & 3 closed enabled Floppy drive interface J19 pins 1 & 2 closed disabled » Monitor type select color J26 pins 2 & 3 closed Monitor type select J26 pins 1 & 2 closed monochrome DRAM CONFIGURATION Size Bank 0 Bank 1 J22 J23 512KB (2) 256K x 9 None pins 2 & 3 pins 2 & 3 1MB (2) 256K x 9 (2) 256K x 9 pins 1 & 2 pins 2 & 3 2MB (2) 1M x 9 NONE pins 2 & 3 pins 1 & 2 4MB (2) 1M x 9 (2) 1M x 9 pins 1 & 2 pins 1 & 2 Note:Pins designated should be in the closed position. PARALLEL PORT CONFIGURATION IRQ ADDRESS J17 J20 » 7 378h pins 2 & 3 pins 2 & 3 closed closed 5 378h pins 2 & 3 pins 1 & 2 closed closed 7 278h pins 1 & 2 pins 2 & 3 closed closed 5 278h pins 1 & 2 pins 1 & 2 closed closed Disabled Disabled Open Open SERIAL PORT CONFIGURATION Port 1 Port 2 J16 J18 » COM1 COM2 pins 1 & 2 pins 1 & 2 closed closed COM1 COM4 pins 2 & 3 pins 1 & 2 closed closed COM1 Disabled Open pins 1 & 2 closed COM3 COM2 pins 1 & 2 pins 2 & 3 closed closed Disabled COM2 pins 1 & 2 Open closed COM3 COM4 pins 2 & 3 pins 2 & 3 closed closed Disabled COM4 pins 2 & 3 Open closed Disabled Disabled Open Open MOUSE PORT INTERRUPTS IRQ J11 J12 J13 J14 » IRQ9 Closed Open Open Open IRQ3 Open Closed Open Open IRQ4 Open Open Closed Open IRQ5 Open Open Open Closed