Vintage Dell OptiPlex GX1 Pentium II 400MHz 512MB RAM No HDD - Boots t – Blackstar Assets
Windows 7 Successfully Installed on a Pentium II | Tom's Hardware
Pentium II - Wikipedia
Used-Supermicro P6DLF Dual Pentium II AT motherboard, Intel 440LX Chipset, 5 PCI, 3 ISA, 1AGP socket, 4 DIMM max 512MB SDRAM 8 SIMM max 1GB EDO RAM sockets. Full AT form factor. - Walmart.com