UNIDENTIFIED
EG-2000
Category |
Video |
Video Types Supported |
CGA/EGA/Monochrome |
Video Processor |
Unidentified |
Highest Resolution Supported |
640 x 480 |
Data Bus Type |
8-bit ISA |
Memory Type |
DRAM |
Maximum Onboard Memory |
256KB (Exact location of memory is unidentified) |
CONNECTIONS |
|||
Purpose |
Location |
Purpose |
Location |
32-pin feature connector |
J1 |
Composite display - RCA jack |
J4 |
6-pin light pen connector |
J2 |
15-pin analog video port |
J5 |
Composite display - RCA jack |
J3 |
|
|
MODE TYPE SELECTION |
|||
Type |
SW1/5 |
SW1/6 |
|
EGA |
On |
On |
|
|
CGA |
Off |
On |
|
Monochrome |
Off |
Off |
PRIMARY DISPLAY ADAPTER CONFIGURATION |
|||||||
Primary |
Secondary |
JP5 |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
|
Monochrome |
80 x 25 text |
Closed |
Off |
Off |
On |
Off |
|
|
40 x 25 text |
Monochrome |
Closed |
On |
Off |
Off |
On |
|
80 x 25 text |
Monochrome |
Closed |
Off |
Off |
Off |
On |
|
640 x 200 |
Monochrome |
Closed |
On |
On |
On |
Off |
|
640 x 350 |
Monochrome |
Closed |
Off |
On |
On |
Off |
|
Monochrome |
40 x 25 text |
Closed |
On |
Off |
On |
Off |
SECONDARY DISPLAY ADAPTER CONFIGURATION |
||||||
Secondary |
Primary |
JP5 |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
40 x 25 text |
Monochrome |
Closed |
On |
On |
On |
On |
80 x 25 text |
Monochrome |
Closed |
Off |
On |
On |
On |
640 x 200 |
Monochrome |
Closed |
On |
Off |
On |
On |
640 x 350 |
Monochrome |
Closed |
Off |
Off |
On |
On |
Monochrome |
40 x 25 text |
Open |
On |
On |
Off |
On |
Monochrome |
80 x 25 text |
Open |
Off |
On |
Off |
On |
EPROM BIOS CHIP SELECTION |
||
Setting |
JP1 |
JP2 |
27128 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
27256 |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
BASE I/O ADDRESS SELECTION |
|
Address |
JP3 |
2xxh |
Pins 1 & 2 closed |
3xxh |
Pins 2 & 3 closed |
DISPLAY TYPE SELECTION |
|
Type |
JP4 |
EGA |
Pins 1 & 2 closed |
CGA or Monochrome |
Pins 2 &3 closed |