ACER, INC.
NBI ENHANCED GRAPHICS ADAPTER
| 
 Card Type  | 
 Video card  | 
| 
 Video Chip Set  | 
 Unidentified  | 
| 
 Maximum video Memory  | 
 Unidentified  | 
| 
 Video Type supported  | 
 Monochrome, CGA, EGA  | 
| 
 Highest Resolution supported  | 
 640 x 350  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 9-pin video port  | 
 CN1  | 
 Reserved  | 
 CN3  | 
| 
 Reserved  | 
 CN2  | 
 Light pen connector  | 
 CN4  | 
| 
 DISPLAY TYPE SELECTION  | ||
| 
 Setting  | 
 JP3  | 
 JP4  | 
| 
 Enhanced color display  | 
 Pins 2 & 3 closed  | 
 Unidentified  | 
| 
 Monochrome or color display  | 
 Pins 2 & 3 closed  | 
 Unidentified  | 
| 
 DISPLAY TYPE CONFIGURATION (1)  | ||||
| 
 EGA  | 
 SW/1  | 
 SW/2  | 
 SW/3  | 
 SW/4  | 
| 
 Color display 40x25 mode  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 Color display 80x25 mode  | 
 Off  | 
 Off  | 
 Off  | 
 On  | 
| 
 Emulation mode  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 Hi Res mode  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 Note:The above settings apply when the Enhanced Graphic Adapter is the primary adapter and MDA is the secondary adapter.  | ||||
| 
 DISPLAY TYPE CONFIGURATION (2)  | |||||
| 
 EGA  | 
 CGA  | 
 SW/1  | 
 SW/2  | 
 SW/3  | 
 SW/4  | 
| 
 Monochrome  | 
 40 x 25 mode  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 Monochrome  | 
 80 x 25 mode  | 
 Off  | 
 Off  | 
 On  | 
 Off  | 
| 
 Note:The above settings apply when the Enhanced Graphic Adapter is the primary adapter and CGA is the secondary adapter.  | |||||
| 
 DISPLAY TYPE CONFIGURATION (3)  | ||||
| 
 EGA  | 
 SW/1  | 
 SW/2  | 
 SW/3  | 
 SW/4  | 
| 
 Color display 40x25 mode  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 Color display 80x25 mode  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 Emulation mode  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 Hi Res mode  | 
 Off  | 
 Off  | 
 On  | 
 On  | 
| 
 Note:The above settings apply when the Enhanced Graphic Adapter is the secondary adapter and MDA is the primary adapter.  | ||||
| 
 DISPLAY TYPE CONFIGURATION (4)  | |||||
| 
 EGA  | 
 CGA  | 
 SW/1  | 
 SW/2  | 
 SW/3  | 
 SW/4  | 
| 
 Monochrome  | 
 40 x 25 mode  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 Monochrome  | 
 80 x 25 mode  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 Note:The above settings apply when the Enhanced Graphic Adapter is the secondary adapter and CGA is the primary adapter.  | |||||
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 Whenever the Enhanced Graphic Adapter is used in combination with another one of the adapters must be a monochrome display.  |