Description MSI's 845E Max (MS-6566E) ATX motherboard is based on the Intel 845E chipset and is designed to support a Pentium 4 socket 478 processor (including Northwood) with 400 or 533MHz frontside bus. The board has two DDR DIMM sockets and features integrated audio and has four USB 2.0/1.1 ports. It also has a CNR (Communications and Networking Riser), an AGP 4X graphics card slot, six PCI slots, and can support up to four IDE drives.