LEADING EDGE PRODUCTS, INC. MODEL D3/SX (VERSION 2) Processor 80386SX Processor Speed 16MHz Chip Set Zymos Max. onboard DRAM 4MB SRAM 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 1 (25 CN2 Floppy drive interface CN5 pin) Serial port 2 (9 pin) CN3 USER CONFIGURABLE SETTINGS Function JUMPER Position » Monitor type select color J5 pins 1 & 2 closed Monitor type select J5 pins 2 & 3 closed monochrome » Floppy drive interface J9 pins 2 & 3 closed enabled Floppy drive interface J9 pins 1 & 2 closed disabled » Mouse port enabled J15 pins 1 & 2 closed Mouse port disabled J15 pins 2 & 3 closed DRAM CONFIGURATION Size Bank 0 Bank 1 J6 J7 J8 512KB (2) 256K x None pins 2 & pins 2 & pins 2 & 9 3 3 3 1MB (2) 256K x (2) 256K x pins 2 & pins 1 & pins 2 & 9 9 3 2 3 2MB (2) 1M x 9 NONE pins 2 & pins 2 & pins 1 & 3 3 2 4MB (2) 1M x 9 (2) 1M x 9 pins 2 & pins 1 & pins 1 & 3 2 2 Note:Pins designated should be in the closed position. PARALLEL PORT CONFIGURATION IRQ ADDRESS J10 J11 5 378h pins 1 & 2 pins 2 & 3 closed closed 7 278h pins 2 & 3 pins 1 & 2 closed closed 5 278h pins 1 & 2 pins 1 & 2 closed closed 7 378h pins 2 & 3 pins 2 & 3 closed closed Disabled Disabled Open Open SERIAL PORT CONFIGURATION Port 1 (25 pine) Port 2 (9 pin) J12 J13 COM1 COM2 pins 2 & 3 pins 2 & 3 closed closed COM1 COM4 pins 2 & 3 pins 1 & 2 closed closed COM1 Disabled pins 2 & 3 Open closed COM3 COM2 pins 1 & 2 pins 2 & 3 closed closed Disabled COM2 Open pins 2 & 3 closed COM3 COM4 pins 1 & 2 pins 1 & 2 closed closed Disabled COM4 Open pins 1 & 2 closed Disabled Disabled Open Open MOUSE CONFIGURATION IRQ J16 - J18 J19 3 Open Open 4 Open Open 5 Open Open 9 Open Closed