EVEREX SYSTEMS, INC.
EVERGRAPHICS PLUS EV-231D
| 
 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  | 
 P2  | 
 Parallel port  | 
 P3  | 
| 
 COLUMN (132) DISPLAY CONFIGURATION  | ||
| 
 Setting  | 
 W1  | |
| » | 
 Enabled  | 
 Pins 2 & 3 closed  | 
| 
 Disabled  | 
 Pins 1 & 2 closed  | |
| 
 PARALLEL PORT INTERRUPT SELECTION  | ||
| 
 IRQ  | 
 IRQ  | |
| » | 
 7  | 
 Pins 2 & 3 closed  | 
| 
 5  | 
 Pins 1 & 2 closed  | |
| 
 PARALLEL PORT CONFIGURATION  | ||||
| 
 LPT  | 
 Address  | 
 W2  | 
 W3  | |
| » | 
 1  | 
 3BCh - 3BEh  | 
 Pins 1 & 2 closed  | 
 Pins 2 & 3 closed  | 
| 
 2  | 
 378h - 37Fh  | 
 Pins 1 & 2 closed  | 
 Pins 1 & 2 closed  | |
| 
 3  | 
 278h - 27Fh  | 
 Pins 2 & 3 closed  | 
 Pins 1 & 2 closed  | |
| 
 Disabled  | 
 N/A  | 
 Pins 2 & 3 closed  | 
 Pins 2 & 3 closed  | |
| 
 FACTORY CONFIGURED - DO NOT ALTER  | |
| 
 Jumper  | 
 Position  | 
| 
 J1  | 
 Closed  |