EVEREX SYSTEMS, INC.
MICRO ENHANCER DELUXE EV-657 (VER.2.0)
|
Card Type |
Parallel card, Video card |
|
Video Chip Set |
Everex Systems |
|
Highest Resolution Supported |
720 x 348 |
|
Maximum Video Memory |
256KB DRAM (location unidentified) |
|
Data Bus |
8-bit ISA |
|
Video Types Supported |
EGA |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Analog video port |
J1 |
Parallel port |
J2 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
Factory configured - do not alter |
W1 |
Pins 1 & 2 closed | |
|
Non-Maskable Interrupt selected (NMI) |
W2 |
Pins 2 & 3 closed | |
|
Interrupt request selected (IRQ) |
W2 |
Pins 1 & 2 closed | |
|
I/O port address selected at 3XX |
W3 |
Pins 1 & 2 closed | |
|
I/O port address selected at 2XX |
W3 |
Pins 2 & 3 closed | |
|
IRQ7 enabled |
W6 |
Pins 2 & 3 closed | |
|
IRQ5 enabled |
W6 |
Pins 1 & 2 closed | |
|
Factory configured - do not alter |
W7 |
Pins 2 & 3 closed | |
|
Factory configured - do not alter |
W8 |
Open | |
|
CRTC Vertical interrupt enabled |
W9/A |
Closed | |
|
CRTC Vertical interrupt disabled |
W9/A |
Open | |
|
Operation in PC-XT slot 8 disabled |
W10 |
Open | |
|
Operation in PC-XT slot 8 enabled |
W10 |
Closed | |
|
Factory configured - do not alter |
W11 |
Pins 1 & 2 closed | |
|
Factory configured - do not alter |
W12 |
Pins 2 & 3 closed | |
|
Factory configured - do not alter |
W13 |
Closed | |
|
Emulation enabled |
SW1/5 |
On | |
|
Emulation disabled |
SW1/5 |
Off | |
|
Factory configured - do not alter |
SW1/6 |
Off | |
|
PARALLEL PORT ADDRESS CONFIGURATION | |||
|
Address |
W4 |
W5 | |
|
3BCh - 3BEh |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
378h - 37Fh |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
278h - 27Fh |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
Disabled |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
BOOT-UP MODE SELECTION | ||||||||
|
Monitor |
Mode & Format |
SW1/1 |
SW1/2 |
SW1/3 |
SW1/4 |
SW1/7 |
SW1/8 | |
|
Enhanced |
EGA 80x25 |
Off |
On |
On |
Off |
On |
On | |
|
Enhanced |
Color 80x25 |
On |
On |
On |
Off |
On |
On | |
|
Color |
Color 80x25 |
Off |
Off |
Off |
On |
On |
Off | |
|
Color |
Color 40x25 |
On |
Off |
Off |
On |
On |
Off | |
|
Monochrome |
Monochrome |
Off |
Off |
On |
Off |
Off |
Off | |
|
INTERRUPT SELECTION | ||||||
|
Setting |
W9/B |
W9/C |
W9/D |
W9/E |
W9/F |
W9/G |
|
2 |
Closed |
Open |
Open |
Open |
Open |
Open |
|
3 |
Open |
Closed |
Open |
Open |
Open |
Open |
|
4 |
Open |
Open |
Closed |
Open |
Open |
Open |
|
5 |
Open |
Open |
Open |
Closed |
Open |
Open |
|
6 |
Open |
Open |
Open |
Open |
Closed |
Open |
|
7 |
Open |
Open |
Open |
Open |
Open |
Closed |