Biostar M6TBC Slot 1 ATX Motherboard Intel 440BX LX Socket DIMM ISA PCI AGP

Biostar M6TBC Slot 1 ATX Motherboard Intel 440BX LX Socket DIMM ISA PCI AGP

The Biostar M6TBC is a Slot 1 ATX system board built around the Intel 440BX (or 440LX) chipset, designed to support Intel Pentium II and Pentium III processors in the SC242 (Slot 1) form factor. It features a full complement of late-1990s expansion slots — AGP, PCI, and ISA — along with dual SDRAM DIMM sockets for system memory. The rear I/O panel provides dual PS/2 ports, a parallel port, two serial ports, and USB connectivity.

Specifications & What's Included

• Manufacturer: Biostar
• Model: M6TBC (Part No. M6TBC-AAAXX/0K)
• Form Factor: ATX
• CPU Socket: Slot 1 (SC242) — supports Intel Pentium II and Pentium III
• Chipset: Intel 440BX / 440LX
• Memory: 2x SDRAM DIMM sockets
• Expansion Slots: 1x AGP, 4x PCI, 2x ISA
• Rear I/O: 2x PS/2 (keyboard & mouse), 1x DB25 parallel port, 2x DB9 serial ports, USB
• Storage Connectors: IDE headers visible on board
• CMOS battery present on board
• Motherboard only — no CPU, RAM, or accessories included

Applications

The Biostar M6TBC is a classic late-1990s ATX desktop motherboard from the Slot 1 era, when Intel transitioned from the Socket 7 platform to the new cartridge-style Slot 1 packaging introduced with the Pentium II in 1997. Boards like this were the standard platform for desktop PCs running Windows 95, 98, and NT through roughly 1999–2001, paired with Pentium II and early Pentium III processors running at 233 MHz to 600+ MHz. The Intel 440BX chipset in particular was widely regarded as one of the best chipsets of the era, offering stable performance and FSB speeds of 66 and 100 MHz. Today, these boards are sought after by vintage PC enthusiasts building period-correct Windows 98 systems, collectors preserving late-1990s computing history, and hobbyists running retro games and software that require the ISA bus for legacy sound cards and other ISA peripherals.