DTK COMPUTER. INC.
PTI-206A EGA PRINTER
| 
 Card Type  | 
 Parallel card, Video card  | 
| 
 Video Chip Set  | 
 Unidentified  | 
| 
 Highest Resolution Supported  | 
 720 x 350  | 
| 
 Maximum Video Memory  | 
 256KB RAM (type unidentified)  | 
| 
 Data Bus  | 
 8-bit ISA  | 
| 
 Video Types Supported  | 
 EGA  | 
| 
 CONNECTIONS  | |||
| 
 Function  | 
 Label  | 
 Function  | 
 Label  | 
| 
 Feature connector  | 
 J4  | 
 25-pin parallel port  | 
 Location unidentified  | 
| 
 Light Pen Interface  | 
 P2  | 
 9-pin digital video port  | 
 Location unidentified  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Label  | 
 Position  | |
| » | 
 Secondary red output on pin 2 of the direct drive interface connector is for use of an enhanced color monitor  | 
 P1  | 
 Pins 1 & 2 closed  | 
| 
 Pin 2 of the direct drive interface connector connected to the ground is for use of a color monitor  | 
 P1  | 
 Pins 2 & 3 closed  | |
| » | 
 EGA addresses selected at 3XX  | 
 P3  | 
 Pins 1 & 2 closed  | 
| 
 EGA addresses selected at 2XX (not supported by BIOS)  | 
 P3  | 
 Pins 2 & 3 closed  | |
| » | 
 Factory configured - do not alter  | 
 SW1/5  | 
 On  | 
| » | 
 Factory configured - do not alter  | 
 SW1/6  | 
 On  | 
| 
 PARALLEL PORT CONFIGURATION  | ||||
| 
 Setting  | 
 JP3  | 
 JP4  | 
 JP10  | |
| » | 
 LPT1  | 
 Closed  | 
 Closed  | 
 Open  | 
| 
 LPT2  | 
 Open  | 
 Closed  | 
 Closed  | |
| 
 Disabled  | 
 N/A  | 
 Open  | 
 N/A  | |
| 
 EGA ADAPTER CONFIGURATION (PRIMARY)  | ||||||
| 
 Enhanced  | 
 Monochrome  | 
 Color  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 Color Display 40x25  | 
 Secondary  | 
 N/A  | 
 On  | 
 Off  | 
 Off  | 
 On  | 
| 
 Color Display 80x25  | 
 Secondary  | 
 N/A  | 
 On  | 
 Off  | 
 Off  | 
 Off  | 
| 
 Emulation mode  | 
 Secondary  | 
 N/A  | 
 Off  | 
 On  | 
 On  | 
 On  | 
| 
 High Res. Mode  | 
 Secondary  | 
 N/A  | 
 Off  | 
 On  | 
 On  | 
 Off  | 
| 
 Monochrome  | 
 N/A  | 
 Secondary 40x25  | 
 Off  | 
 On  | 
 Off  | 
 On  | 
| 
 Monochrome  | 
 N/A  | 
 Secondary 80x25  | 
 Off  | 
 On  | 
 Off  | 
 Off  | 
| 
 EGA ADAPTER CONFIGURATION (SECONDARY)  | ||||||
| 
 Enhanced  | 
 Monochrome  | 
 Color  | 
 SW1/1  | 
 SW1/2  | 
 SW1/3  | 
 SW1/4  | 
| 
 Color Display 40x25  | 
 Primary  | 
 N/A  | 
 On  | 
 On  | 
 On  | 
 On  | 
| 
 Color Display 80x25  | 
 Primary  | 
 N/A  | 
 On  | 
 On  | 
 On  | 
 Off  | 
| 
 Emulation mode  | 
 Primary  | 
 N/A  | 
 On  | 
 On  | 
 Off  | 
 On  | 
| 
 High Res. Mode  | 
 Primary  | 
 N/A  | 
 On  | 
 On  | 
 Off  | 
 Off  | 
| 
 Monochrome  | 
 N/A  | 
 Primary 40x25  | 
 On  | 
 Off  | 
 On  | 
 On  | 
| 
 Monochrome  | 
 N/A  | 
 Primary 80x25  | 
 On  | 
 Off  | 
 On  | 
 Off  | 
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 Note: The purpose of SW1/7 and SW1/8 is unidentified.  |