STB SYSTEMS, INC.
CHANNEL 4G
|
Category |
Video |
|
Video Types Supported |
XVGA |
|
Video Processor |
Unidentified |
|
Highest Resolution Supported |
1280 x 1024 |
|
Data Bus Type |
16-bit ISA |
|
Memory Type |
DRAM |
|
Maximum Onboard Memory |
4MB (1MB of on-board DRAM per port) |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
VGA feature connector |
CN1 |
Coax connector (Port 1) |
P2 |
|
VGA feature connector |
CN2 |
Coax connector (Port 2) |
P3 |
|
VGA feature connector |
CN3 |
Coax connector (Port 3) |
P4 |
|
VGA feature connector |
CN4 |
Coax connector (Port 4) |
P5 |
|
VGA connector |
P1 |
Refresh signal synchronization connector |
P6 |
|
COLOR TYPE SELECTION | ||||
|
Type |
J8 |
J9 |
J10 |
J11 |
|
Color |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
Mono |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
NTSC/PAL OUTPUT CONFIGURATION | ||
|
Setting |
J13 |
J14 |
|
NTSC |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
PAL |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
CRYSTAL FREQUENCY SELECTION | |
|
Setting |
J12 |
|
Master |
Pins 1 & 2 closed |
|
Slave |
Pins 2 & 3 closed |
|
BOARD IDENTIFICATION SELECTION | |||
|
Board |
SW1/1 |
SW1/2 |
SW1/3 |
|
0 |
Off |
Off |
Off |
|
1 |
Off |
Off |
On |
|
2 |
Off |
On |
Off |
|
3 |
Off |
On |
On |
|
4 |
On |
Off |
Off |
|
5 |
On |
Off |
On |
|
6 |
On |
On |
Off |
|
7 |
On |
On |
On |
|
FACTORY CONFIGURED - DO NOT ALTER | |
|
Switch |
Position |
|
SW1/4 |
Off |
