A: Almost certainly no. OEM BIOSes lock FSB adjustment. Your only hope is software overclocking via SetFSB (if you can identify the clock generator chip on the board), which is unstable.
The is a legacy motherboard produced by Micro-Star International (MSI), primarily found in pre-built OEM systems such as Medion desktops (e.g., Medion MD 8389) and early 2000s workstations. It is not a standard retail board but an OEM-specific design. The N1996 is based on the Intel 945G or 945P chipset, targeting Intel’s LGA775 platform. msi n1996 motherboard specifications