Rich I/O design is a basic of POS systems for users to connect external devices, such as thermal printer, second display, card reader, magnetic strip reader (MSR) and so on. Avalue products provide various I/O from USB, COM, ISA, GPIO to PCI/ PCIe/ MiniPCI/ Mini PCIe; in addition, touch panel interface and ability of second display extension are ready for users’ demands when necessary. |