STB SYSTEMS, INC.
POWERGRAPH VGA
Category | Video |
Video Types Supported | XVGA |
Video Processor | Tseng Laboratories |
Highest Resolution Supported | 1024 x 768 |
Data Bus Type | 16-bit ISA |
Memory Type | DRAM |
Maximum Onboard Memory | 1024KB |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
15-pin analog video port | CN1 | VESA feature connector | CN2 |
ROM DATA BUS | ||
Size | J3 | |
| » | 8-bit | Pins 2 & 3 closed |
16-bit | Pins 1 & 2 closed | |
INTERRUPT SELECT | ||
IRQ2 | J1 | |
| » | Enabled | Pins 1 & 2 closed |
Disabled | Pins 2 & 3 closed | |
DRAM CONFIGURATION | |||
Size | BANK 0 (U1, U2) | BANK 1 (U3, U4) | BANK 2 (U5, U6, U7, U8) |
256KB | (2) 256K x 4 | NONE | NONE |
512KB | (2) 256K x 4 | (2) 256K x 4 | NONE |
1MB | (2) 256K x 4 | (2) 256K x 4 | (4) 256K x 4 |