BE 6-ii ATX Motherboard 667 Mhz, Slot 1, Supports Pentium II, Pentium III, and Celeron to 768 Mhz. Chipset: Intel 440Bx 2xAGP/5PCI/1ISA UDMA66 768 MB SDRAM. Data Bus Speed: 100 Mhz. Sockets 168 pin. Storage Controllers: ATA-66. Storage Interfaces:	ATA-66 - connector(s): 2 x 40pin IDC  ATA-33 - connector(s): 2 x 40pin IDC