... , up to 4GB OS SupportPOS Ready 2009, POS Ready 7, XP Pro, Vista, Linux, Windows 7HDD Storage1x 2.5" SATACompact Flash1 ... (External), 2 x USB 2.0 (Internal, 1 reserved for touch screen)1 x PS/2 Mouse, 1 x PS/2 Keyboard1 ... x MIC In, 2 x Internal Speaker 2W Packing:1Pc Touch Screen POS System Terminal (Black color)Note:If you need the ...