WESTERN DIGITAL CORPORATION WD386SX-LPX Processor 80386SX Processor Speed 16/20MHz Chip Set WD Max. Onboard DRAM 32MB Cache None BIOS AMI/Award Dimensions 330mm x 218mm I/O Options Parallel port, serial port (2), floppy drive interface, IDE interface, VGA port, bus mouse port, IBM video interface, proprietary bus expansion slot NPU Options 80387SX [Image] CONNECTIONS Purpose Location Purpose Location Proprietary bus J1 Parallel port J10 expansion card Mouse port J4 IBM video interface J11 Reset switch J6 VGA port J12 Floppy drive J7 IDE interface J14 interface Serial port 2 J8 Keyswitch/IDE J15 interface LED Serial port 1 J9 External speaker J17 USER CONFIGURABLE SETTINGS Function Jumper Position » CMOS memory normal operation W1 Open CMOS memory clear W1 Closed » Factory configured - do not alter W2 Open » Factory configured - do not alter W3 Closed » Mouse interrupt enabled IRQ12 W4 Closed Mouse interrupt disabled IRQ12 W4 Open » Monitor type select color W5 pins 2 & 3 closed Monitor type select monochrome W5 pins 1 & 2 closed » VGA clock select internal W6 pins 2 & 3 closed VGA clock select external W6 pins 1 & 2 closed » VGA port enabled W7 pins 2 & 3 closed VGA port disabled W7 pins 1 & 2 closed » Monitor type select multisync W8 pins 2 & 3 closed Monitor type select fixed W8 pins 1 & 2 frequency closed » Monitor type select AT compatible W9 pins 2 & 3 closed Monitor type select PS/2 W9 pins 1 & 2 compatible closed » Speaker select internal W10 pins 1 & 2 closed Speaker select external W10 pins 2 & 3 closed » IDE interface LED enabled W11 pins 2 & 3 closed IDE interface LED disabled 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 2.5MB (2) 256K x 9 (2) 1M x 9 NONE 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 8MB (2) 1M x 9 (2) 1M x 9 (2) 1M x 9 (2) 1M x 9