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. |