Chipkill is IBM's trademark for a form of advanced Error Checking and Correcting (ECC) computer memory technology
that protects computer memory systems from any single memory chip failure as well as multi-bit errors from any portion
of a single memory chip. It performs this function by scattering the bits of an ECC word across multiple memory chips,
such that the failure of any one memory chip will affect only one ECC bit. This allows memory contents to be reconstructed
despite the complete failure of one chip. The equivalent system from HP is called Chipspare.