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  |