bikemannc :
just was given a mobo 845EMAX (MS-6566E ver.1) and have no idea what can be run on it , upgraded on it and used as a business pc
No.
It is a socket 478, for a Pentium 4. At least a decade old.
https
/www.cnet.com/products/msi-845e-max-ht-ready-motherboard-atx-socket-478-i845e/specs/
Unless you already have compatible parts, that board is absolutely useless.
And if you already had parts...you'd know it.