UNIDENTIFIED
WD90C31
| 
 Category  | 
 Video  | 
| 
 Video Types Supported  | 
 XVGA  | 
| 
 Video Processor  | 
 Western Digital Corporation  | 
| 
 Highest Resolution Supported  | 
 1280 x 1024  | 
| 
 Data Bus Type  | 
 VESA local bus  | 
| 
 Memory Type  | 
 DRAM  | 
| 
 Maximum Onboard Memory  | 
 1MB  | 
| 
 CONNECTIONS  | |||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 15-pin analog video port  | 
 CN1  | 
 VESA Feature connector  | 
 CN2  | 
| 
 CPU TYPE  | ||
| 
 Setting  | 
 W1  | 
 W3  | 
| 
 80386  | 
 Pins 1 & 2 closed  | 
 Closed  | 
| 
 80486  | 
 Pins 2 & 3 closed  | 
 Open  | 
| 
 MONITOR TYPE (800 X 600 RESOLUTION)  | |||
| 
 » Refresh Rates | 
 SW1/1  | 
 SW1/2  | |
| » | 
 Vertical: 56Hz NI, Horizontal: 35.12-  | 
 Off  | 
 Off  | 
| » | 
 Vertical: 72Hz NI, Horizontal: 37.83+-  | 
 On  | 
 Off  | 
| » | 
 Vertical: 60Hz NI, Horizontal: 47.67+  | 
 Off  | 
 On  | 
| 
 MONITOR TYPE (1024 X 768 RESOLUTION)  | |||
| 
 » Refresh Rates | 
 SW1/3  | 
 SW1/4  | |
| » | 
 Vertical: 87Hz Interlaced, Horizontal: 35.60+  | 
 Off  | 
 Off  | 
| » | 
 Vertical: 70Hz NI, Horizontal: 56.56-  | 
 On  | 
 Off  | 
| » | 
 Vertical: 60Hz NI, Horizontal: 48.37-  | 
 Off  | 
 On  | 
| » | 
 Vertical: 72Hz NI, Horizontal: 59.46-  | 
 On  | 
 On  | 
| 
 MONITOR TYPE (VGA)  | ||
| 
 » Refresh Rate | 
 SW1/5  | |
| » | 
 Vertical: 60, 70Hz, Horizontal: 31.5KHz  | 
 Off  | 
| » | 
 Vertical: 75, 88Hz, Horizontal: 40KHz  | 
 On  | 
| 
 FACTORY CONFIGURED SETTINGS  | |
| 
 Jumper  | 
 Setting  | 
| 
 W5  | 
 Pins 1 & 2 closed  |