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 | |