The Biostar M6TLC is a classic ATX motherboard released in 1997, built around the Intel 440LX chipset and designed for vintage Pentium II and Celeron processors. It features a Slot 1 socket, three SDRAM slots (up to 768MB), one AGP, four PCI, and three ISA expansion slots.For rebuilding or maintaining a vintage rig with this board, here are its key specifications:Processor Support: Slot 1 (Slot-242) supporting 66MHz FSB speeds for Pentium II and early Celeron CPUs (up to 500 MHz).Memory: 168-pin DIMM sockets supporting EDO or SDR SDRAM.Storage: Two IDE interfaces supporting Ultra DMA/33.I/O Ports: Two USB 1.x ports, PS/2 mouse and keyboard, two serial ports, and one parallel port.

Tested working includes 128K ram and a penny ham Two processor. See the photos for the processor speed.