▁without ▁their ▁own ▁power ▁supplies ). ▁Comp at ibility ▁with ▁various ▁machines ▁was ▁achieved ▁using ▁a ▁D IP ▁switch ▁and ▁computer - specific ▁c ables . ▁ ▁The ▁S AM ▁C oup é ▁M GT ▁started ▁working ▁on ▁their ▁own ▁home ▁computer , ▁the ▁S AM ▁C oup é , ▁early ▁on , ▁while ▁prof its ▁from ▁M GT ' s ▁other ▁product ▁fin anced ▁its ▁development . ▁The ▁S AM ▁was ▁essentially ▁a ▁Z X ▁Spect rum ▁ 4 8 K - compatible ▁system ▁with ▁en hanced ▁graphics ▁and ▁sound , ▁more ▁interfaces , ▁expanded ▁memory ▁and ▁a ▁new ▁B AS IC ▁interpreter . ▁The ▁machine ▁was ▁eventually ▁launched ▁late ▁in ▁ 1 9 8 9 . ▁While ▁techn ically ▁advanced , ▁it ▁arrived ▁too ▁late ▁to ▁establish ▁a ▁market ▁and ▁resulted ▁in ▁the ▁company ' s ▁dem ise . ▁The ▁rights ▁to ▁the ▁+ D ▁interface ▁were ▁sold ▁to ▁Dat el ▁Electron ics ▁Limited ▁in ▁an ▁effort ▁to ▁fin ance ▁the ▁S AM ▁C oup é . ▁ ▁Alan ▁Mil es ▁and ▁Bruce ▁Gordon ▁bought ▁the ▁assets ▁of ▁M GT ▁to ▁form ▁Sam ▁Comput ers . ▁ ▁However , ▁that ▁was ▁a ▁temporary ▁repr ieve ▁and ▁that ▁company ▁also ▁ceased ▁trad ing ▁in ▁ 1 9 9 2 . ▁ ▁External ▁links ▁▁ ▁World ▁of ▁Spect rum : ▁Hard ware ▁Fe ature ▁# 3 5 ▁ ▁M GT ▁L if etime / Univers al ▁Disc ▁Drive ▁FA Q ▁ ▁DIS C i P LE / + D ▁Techn ical ▁Guide ▁