POWERGRAPH VGA (VER. 2) video card Settings and Configuration
STB SYSTEMS, INC.
POWERGRAPH VGA (VER. 2)
Card Type | Video |
Video Chip Set | Unidentified |
Highest Resolution Supported | 1024 x 768 |
Maximum Onboard Memory | 1MB DRAM |
Data Bus | 16-bit ISA |
Video Types Supported | XVGA |
CONNECTIONS | |||
Function | Label | Function | Label |
15-pin analog video port | J5 | DAC chip socket | U2 |
DAC chip | U1 |
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Note: Either U1 or U2 should be installed, but not both. | |||
USER CONFIGURABLE SETTINGS | |||
Setting | Label | Position | |
» | Two wait state operation | J1 | Pins 2 & 3 closed |
| Zero wait state operation | J1 | Pins 1 & 2 closed |
» | Card does not use IRQ2/9 | J2 | Pins 2 & 3 closed |
| Card uses IR/FONT | J2 | Pins 1 & 2 closed |
» | Factory configured - do not alter | J3 | Pins 1 & 2 closed |
» | BIOS uses 8-bit I/O | J5 | Pins 1 & 2 closed |
| BIOS uses 16-bit I/O | J5 | Pins 2 & 3 closed |
DRAM |
Note: This card may take 256KB, 512KB, or 1MB of on-board DRAM. The locations of the banks and the configurations of the chips in these banks is unidentified. |
VERTICAL SCAN RATE | ||
Resolution | Scan Rate | J4 |
640 x 480 | 60Hz | Pins 1 & 2 closed |
800 x 600 | 56Hz | Pins 1 & 2 closed |
1024 x 768 | 43Hz (interlaced) | Pins 1 & 2 closed |
640 x 480 | 72Hz | Pins 2 & 3 closed |
800 x 600 | 72Hz | Pins 2 & 3 closed |
1024 x 768 | 60Hz | Pins 2 & 3 closed |
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