STB Systems S3 Trio64 PCI Video Card 1X0-0334-309 VGA 1995 GACC2

STB Systems S3 Trio64 PCI Video Card 1X0-0334-309 VGA 1995 GACC2

This is an STB Systems PCI video card built around the S3 Trio64 graphics controller, part number 1X0-0334-309, GACC2 board revision. The S3 Trio64 is a single-chip 2D graphics accelerator that integrates RAMDAC, clock synthesizer, and video memory controller on one die, making it a compact and power-efficient solution for its era. It was one of the most widely used VGA-class accelerators of the mid-1990s and was sold under numerous OEM and retail brands including STB Systems, Diamond, and others.

Specifications & What's Included

• Manufacturer: STB Systems
• Part Number: 1X0-0334-309
• Board ID: GACC2
• GPU / Chipset: S3 Trio64
• Bus Interface: PCI (standard full-height card)
• Video Output: 1x VGA (HD-15 / DE-15) analog
• Bracket: Full-height PCI bracket installed
• Manufacture Date: Week 20, 1995 (per PCB label)
• Country of Manufacture: Mexico (per PCB silk screen)
• Memory: Multiple small RAM ICs visible on PCB (capacity not printed on label)
• Includes: Card only — no software, cables, or accessories

Applications

The S3 Trio64 was the dominant 2D graphics accelerator for IBM-compatible PCs in the 1995–1997 period. It supported VGA and SVGA resolutions and provided hardware acceleration for Windows GDI operations, making it a staple card in business desktops and entry-level workstations of the era. It was broadly compatible with DOS, Windows 3.1, Windows 95, and Windows 98, and S3 drivers were included with most OEM system builds of the time. Today these cards are sought by collectors and enthusiasts building or restoring period-correct Pentium-era PCs, DOS gaming machines, and vintage Windows 95/98 systems. The PCI interface makes it compatible with any mid-1990s or later ATX or AT-style desktop with a free PCI slot.