ESCOM AG
GRAPHICS ACCELERATOR VGA (P/N 2150/2150D)
|
Category |
Video |
|
Video Types Supported |
XVGA |
|
Video Processor |
86C911 |
|
Highest Resolution Supported |
1280 x 1024 |
|
Data Bus Type |
16-bit ISA |
|
Memory Type |
VRAM |
|
Maximum Onboard Memory |
1MB |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
15-pin analog video port |
CN1 |
VGA feature connector |
CN2 |
|
DISPLAY RESOLUTION SELECTION | |||||
|
Resolution |
Vertical Refresh |
Horizon Refresh |
SW1/1 |
SW1/2 |
SW1/3 |
|
640 x 480 |
60Hz |
31.5KHz |
Off |
Off |
Off |
|
640 x 480 |
73Hz |
38KHz |
Off |
Off |
On |
|
800 x 600 |
60Hz |
37.9KHz |
Off |
On |
Off |
|
800 x 600 |
72Hz |
48KHz |
Off |
On |
On |
|
800 x 600 |
56Hz |
35.5KHz |
On |
Off |
Off |
|
1024 x 768 interlaced |
43.5Hz |
35.5KHz |
On |
Off |
On |
|
1024 x 768 |
60Hz |
48.5KHz |
On |
On |
Off |
|
1024 x 768 |
70Hz |
56.5KHz |
On |
On |
On |
|
DISLAY MEMORY CONFIGURATION | |
|
Memory |
JP6 |
|
512KB |
Pins 2 & 3 closed |
|
1MB |
Pins 1 & 2 closed |
|
ANALOG MONITOR SENSE SOURCE CONFIGURATION | ||
|
Setting |
JP4 | |
|
Use monitor ID to drive sense line |
Pins 1 & 2 closed | |
|
Use color detect logic to drive sense line |
Pins 2 & 3 closed | |
|
INTERRUPT CONFIGURATION | ||
|
IRQ 2/9 |
JP2 | |
|
Disabled |
Pins 1 & 2 closed | |
|
Enabled |
Pins 2 & 3 closed | |
|
ISA BUS SPEED SELECTION | |||
|
Speed |
JP1 |
JP7 | |
|
6MHz or 8MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
|
10MHz or 12MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
VRAM CONFIGURATION | ||
|
Memory |
Bank 0 (U2, U4, U6, U8) |
Bank 1 (U1, U3, U5, U7) |
|
512KB |
(4) 256K x 4 ZIP |
NONE |
|
1MB |
(4) 256K x 4 ZIP |
(4) 256K x 4 ZIP |
|
MISCELLANEOUS TECHNICAL NOTE |
|
The P/N 2150 comes with a 55MHz oscillator on board while the P/N 2150D does not. |