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 640 x 350 supported Data Bus 8-bit ISA [Image] 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 Unidentified closed Monochrome or color display Pins 2 & 3 Unidentified closed DISPLAY TYPE CONFIGURATION (1) EGA SW/1 SW/2 SW/3 SW/4 Color display On Off Off On 40x25 mode Color display Off Off Off On 80x25 mode 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 On Off On Off mode Monochrome 80 x 25 Off Off On Off mode 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 On On On On 40x25 mode Color display Off On On On 80x25 mode 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 On On Off On mode Monochrome 80 x 25 Off On Off On mode 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.