UNIDENTIFED
8900 VGA MASTER (TWO LAYER)
Card Type |
Video card |
Video Chip Set |
Unidentified |
Maximum Video Memory |
8MB DRAM |
Video Types Supported |
MGA, CGA, EGA, VGA |
Highest Resolution Supported |
1024 x 768 |
Data Bus |
16-bit ISA |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
15-pin analog video port |
CN1 |
Feature connector |
CN2 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
Factory configured - do not alter |
SW1/1 |
On |
» |
Factory configured - do not alter |
SW1/2 |
On |
» |
Less than 48KHz scan rate |
SW1/3 |
On |
48-49KHz scan rate |
SW1/3 |
Off | |
» |
Factory configured - do not alter |
SW1/4 |
On |
» |
Fast address decode |
SW1/5 |
Off |
Slow address decode |
SW1/5 |
On | |
» |
16 bit data path |
SW1/6 |
Off |
8 bit data path |
SW1/6 |
On |
DRAM JUMPER CONFIGURATION | |||
Size |
JP1 |
JP2 |
J3 |
2MB |
Open |
Closed |
Pins 1 & 2, 4 & 5 closed |
4MB |
Open |
Closed |
Pins 1 & 4, 2 & 5 closed |
8MB |
Closed |
Open |
Pins 2 & 3, 5 & 6 closed |
BUS SIZE SELECTION | ||
Setting |
J2 | |
» |
Autodetect |
Pins 2 & 3 closed |
Standard interface |
Pins 1 & 2 closed |
INTERRUPT SELECTION | ||
Setting |
J1 | |
» |
IRQ9 disabled |
Pins 2 & 3 closed |
IRQ9 enabled |
Pins 1 & 2 closed |