Compaq 255129-001 586/133 MMX system board for Pentium MMX processors. Socket 7 LGA form factor supporting Intel Pentium MMX and compatible CPUs at 133 MHz FSB. Board includes integrated ISA and PCI slots for legacy expansion cards, standard AT power connector, and BIOS support for up to 512 MB SDRAM. Typical application in 1990s desktop workstations and business systems requiring Pentium-class processing. Refurbished unit has been functionally tested and is guaranteed compatible with original Compaq chassis specifications. Available via quote.