▁patch ▁and ▁rh ythm ▁set ▁combinations ▁are ▁referred ▁to ▁as ▁" perform ances " ▁in ▁Roland ▁parl ance . ▁ ▁There ▁are ▁an ▁additional ▁ 3 2 ▁user ▁memory ▁locations ▁to ▁store ▁user ▁configur able ▁performances . ▁There ▁is ▁a ▁built - in ▁back lit ▁L CD ▁display ▁of ▁ 3 2 0 ▁by ▁ 8 0 ▁pixels . ▁ ▁The ▁on board ▁sequ encer ▁is ▁capable ▁of ▁storing ▁up ▁to ▁ 6 0 , 0 0 0 ▁notes ▁of ▁recorded ▁musical ▁performance ▁and ▁has ▁a ▁clock ▁resolution ▁of ▁ 9 6 ▁parts ▁per ▁quarter ▁note . ▁ ▁It ' s ▁capable ▁of ▁storing ▁up ▁to ▁ 1 0 0 ▁patterns ▁and ▁ 1 ▁song ▁at ▁a ▁time ▁in ▁memory , ▁but ▁can ▁also ▁load ▁and ▁play ▁music ▁sequences ▁directly ▁from ▁flo ppy ▁disk ▁using ▁the ▁built - in ▁flo ppy ▁disk ▁drive . ▁ ▁The ▁XP - 8 0 ▁includes ▁ 4 ▁user ▁accessible ▁expansion ▁sl ots ▁( located ▁under ▁a ▁remov able ▁cover ▁on ▁the ▁bottom ▁of ▁the ▁unit ). ▁ ▁Each ▁slot ▁can ▁accommod ate ▁one ▁SR - J V 8 0 ▁expansion ▁board . ▁ ▁A ▁total ▁of ▁ 2 1 ▁SR - J V 8 0 ▁expansion ▁bo ards ▁were ▁released ▁by ▁Roland . ▁ ▁Nin ete en ▁were ▁sold ▁( SR - J V 8 0 - 0 1 ▁through ▁SR - J V 8 0 - 1 9 ), ▁while ▁ 2 ▁were ▁given ▁away ▁as ▁demonstr ation ▁expansion ▁bo ards ▁for ▁various ▁prom ot ions