EVEREX SYSTEMS, INC.
EVERGRAPHICS PLUS EV-231C
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 |
JD1A | |
Enabled |
Pins 1 & 2 closed | |
Disabled |
Pins 2 & 3 closed |
PARALLEL PORT INTERRUPT SELECTION | ||
IRQ |
JE2 | |
7 |
Pins 2 & 3 closed | |
5 |
Pins 1 & 2 closed |
PARALLEL PORT CONFIGURATION | |||
LPT |
Address |
JA1 | |
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 |
JD1B |
Closed |