▁Category : Box ers ▁from ▁Illinois ▁Category : S ports people ▁from ▁Chicago ▁Category : C ru iser weight ▁box ers ▁Category : He avy weight ▁box ers ▁Category : World ▁cru iser weight ▁box ing ▁champions ▁Category : Intern ational ▁Box ing ▁Federation ▁champions ▁Category : National ▁Golden ▁Glo ves ▁champions ▁Category : C ong r essional ▁Gold ▁Medal ▁recip ients <0x0A> </s> ▁The ▁ST D ▁Bus ▁is ▁a ▁computer ▁bus ▁that ▁was ▁used ▁primarily ▁for ▁industrial ▁control ▁systems , ▁but ▁has ▁also ▁found ▁applications ▁in ▁computing . ▁The ▁ST D ▁Bus ▁has ▁also ▁been ▁designated ▁as ▁ST D - 8 0 , ▁referring ▁to ▁its ▁relation ▁to ▁the ▁Z ilog ▁Z 8 0 ▁series ▁process ors . ▁The ▁term ▁ST D ▁is ▁in ▁reference ▁to ▁" Standard ", ▁but ▁several ▁market ing ▁terms ▁were ▁also ▁prom ul g ated , ▁including ▁Simple ▁To ▁Design , ▁Simple ▁To ▁Debug , ▁and ▁Swift ▁To ▁Del iver . ▁ ▁Description ▁The ▁ST D ▁Bus ▁uses ▁ 6 . 5 " ▁by ▁ 4 . 5 " ▁expansion ▁card ▁with ▁an ▁edge ▁conne ctor ▁with ▁ 5 6 ▁p ins . ▁Many ▁different ▁types ▁of ▁cards ▁have ▁been ▁available ▁for ▁the ▁ST D ▁Bus , ▁from ▁processing ▁cards , ▁RAM ▁cards , ▁I / O ▁cards , ▁and ▁special ized ▁cards ▁for ▁various ▁applications . ▁ ▁The ▁use ▁of ▁the ▁ST D ▁bus ▁has ▁decl ined . ▁From ▁the ▁over ▁one ▁hundred ▁manufact ur ers ▁of ▁components ▁during ▁its ▁peak , ▁vendor ▁numbers ▁have ▁dw