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  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Proprietary bus expansion card  | 
 J1  | 
 Parallel port  | 
 J10  | 
| 
 Mouse port  | 
 J4  | 
 IBM video interface  | 
 J11  | 
| 
 Reset switch  | 
 J6  | 
 VGA port  | 
 J12  | 
| 
 Floppy drive interface  | 
 J7  | 
 IDE interface  | 
 J14  | 
| 
 Serial port 2  | 
 J8  | 
 Keyswitch/IDE interface LED  | 
 J15  | 
| 
 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 frequency  | 
 W8  | 
 pins 1 & 2 closed  | |
| » | 
 Monitor type select AT compatible  | 
 W9  | 
 pins 2 & 3 closed  | 
| 
 Monitor type select PS/2 compatible  | 
 W9  | 
 pins 1 & 2 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  |