VTECH COMPUTERS, INC.
AUTOEGA4+
|
Category |
Video |
|
Video Types Supported |
EGA/Monochrome |
|
Video Processor |
Unidentified |
|
Highest Resolution Supported |
800 x 600 |
|
Data Bus Type |
8-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
256KB |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
15-pin analog video port |
CN1 |
Light Pen connector |
CN4 |
|
RCA connector |
CN2 |
VGA feature connector |
CN5 |
|
RCA connector |
CN3 |
|
|
|
VIDEO TIMING CONFIGURATION | ||
|
Timing |
JP1 | |
|
External oscillator from feature connector |
Pins 1 & 2 closed | |
|
18.432mhz for Hercules emulation |
Pins 2 & 3 closed | |
|
FEATURE CONNECTOR CONFIGURATION | |||
|
Setting |
JP2 |
JP5 | |
|
Disabled |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
Enabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
CHARACTER MODE SELECTION | ||
|
Mode |
JP6 | |
|
Double dot |
Closed | |
|
Single dot (for CGA configuration only) |
Open | |
|
EGA I/O PORT SELECTION | ||
|
Port |
JP3 | |
|
3xx |
Closed | |
|
2xx |
Open | |
|
MONITOR TYPE CONFIGURATION | |||||||
|
Type |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/5 |
SW1/6 |
SW2 |
|
RGB or composite |
Off |
Off |
On |
Off |
Off |
Off |
Left |
|
TTL monochrome |
Off |
Off |
Off |
|
Off |
Off |
Left |
|
Enhanced color display |
Off |
Off |
Off |
On |
On |
Off |
Right |
|
Note: Toggle switch is set left or right looking from the back of the card. | |||||||
|
FACTORY CONFIGURED - DO NOT ALTER | |
|
Switch |
Position |
|
SW1/7 |
N/A |
|
SW1/8 |
N/A |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
JP4 |
|
64KB |
(8) 4164 |
Closed |
|
256KB |
(8) 4464 |
Open |