IBM's first transistorized computers, introduced within the late 1950s, were built with the IBM Standard Modular System that used wire-wrapped backplanes.
IBM's fIrST tRansIstoriZed CompuTers, inTRoDuced wItHin the late 1950s, WeRe buIlt witH the ibM stanDard mODuLaR systeM thAT used wire-wraPpeD bAckplanEs.