▁stop ▁bits , ▁and ▁no ▁par ity ▁external ▁power ▁adapter ▁ 1 0 V ac ▁ 1 amp ▁Computer ▁Key board ▁Music ▁Syn thes izer ▁( re qu ires ▁Computer ▁Ad apter ) '' ▁ 4 9 ▁key ▁piano ▁keyboard ▁System ▁Ch anger ▁At ari ▁ 2 6 0 0 ▁compatible ▁cart ridge ▁slot ▁two ▁DE - 9 ▁At ari ▁ 2 6 0 0 ▁compatible ▁controller ▁connect ors ▁V ide ople x er ▁( from ▁Com pro ▁Electron ics ) ▁cart ridge ▁switching ▁access ory ▁with ▁eight ▁cart ridge ▁sl ots ▁ ▁See ▁also ▁Entertainment ▁Computer ▁System ▁Int ell iv ision ▁L ives ! ▁Int ell ivo ice ▁List ▁of ▁Int ell iv ision ▁games ▁Play C able ▁TV ▁P OW W W ▁( inter active ▁TV ▁game ▁show ▁that ▁used ▁Int ell iv ision ) ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Int ell iv ision ▁ret rog aming ▁company ▁home page , ▁run ▁by ▁Keith ▁Robinson ▁and ▁The ▁Blue ▁Sky ▁R angers ▁( the ▁Int ell iv ision ▁game ▁program mers ) ▁- ▁Int ell iv ision ▁home page ▁– ▁Ask ▁Hal ▁FA Q ▁page ▁- ▁Int ell iv ision ▁home page ▁– ▁Tim eline ▁ ▁The ▁history ▁of ▁the ▁Int ell iv ision , ▁at ▁The ▁D ot ▁E aters ▁ ▁Video ▁Game ▁Console ▁Library ▁entry ▁ ▁The Game Console . com ▁entry ▁ ▁Old - Comput ers . com ▁entry ▁▁ 8 - bit ▁Central . com ▁entry ▁& ▁images ▁ ▁Science ▁Museum ▁Group ▁entry ▁ ▁Games ▁Database .