EVEREX SYSTEMS, INC.
EVERGRAPHICS PLUS EV-231A
|
Category |
Video |
|
Video Types Supported |
Monochrome |
|
Video Processor |
6845 |
|
Highest Resolution Supported |
720 x 348 |
|
Data Bus Type |
8-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
64KB (Exact location of memory is unidentified) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Monochrome video port |
PA5 |
Parallel port |
PC5 |
|
COLUMN (132) DISPLAY CONFIGURATION | ||
|
Setting |
JA2 | |
|
Enabled |
Pins 1 & 2 closed | |
|
Disabled |
Pins 2 & 3 closed | |
|
PARALLEL PORT INTERRUPT SELECTION | ||
|
IRQ |
JG6 | |
|
7 |
Pins 2 & 3 closed | |
|
5 |
Pins 1 & 2 closed | |
|
PARALLEL PORT CONFIGURATION | |||
|
LPT |
Address |
JC7 | |
|
1 |
3BCh - 3BEh |
Pins 1 & 2 closed | |
|
2 |
378h - 37Fh |
Pins 3 & 4 closed | |
|
3 |
278h - 27Fh |
Pins 1 & 2, 3 & 4 closed | |
|
Disabled |
N/A |
Open | |
|
FACTORY CONFIGURED - DO NOT ALTER | |
|
Jumper |
Position |
|
JB1 |
Closed |
|
JB5 |
Open |
|
JC7B |
Open |