WAFER-LX3 3.5" MotherboardPage 19 MIDI compatible Fully programmable serial-interface characteristics:o 5, 6, 7, or 8-bit characterso Even, odd or no parity bit generation/detectiono 1, 1.5 or 2 stop bits generation Internal diagnostic capabilities:o Loop-back control for communications link fault isolationo Break, parity, overrun, framing error stimulation Programmable baud generator allows division of 1.8461 MHz and 24 MHz by1 to (2 16 – 1) Maximum baud rate up to 921 kbps for 14.769 MHz and 1.5 Mb/s for 24 MHz2.5.2.3 Parallel PortThe Super I/O parallel port (LPT) is compatible with the following LPT specifications. IBM parallel port compatible PS/2 compatible bi-directional parallel port Enhanced Parallel Port (EPP) mode supported. Compatible with IEEE 1284specifications Extended Parallel Port (EPP) mode supported. Compatible with IEEE 1284specifications Enhanced printer port back-drive current protectionThe parallel port controller is connected to an external DB-26 LPT connector.2.5.2.4 Floppy Disk Drive Controller (Optional)The floppy disk drive controller supports a standard floppy drive up to 2.88 MB. The floppydisk drive connector is an optional extra and not included on the standard board.2.5.2.5 Keyboard and Mouse ControllerThe keyboard and mouse controller connects to standard PS/2 keyboards and mice.2.5.2.6 GPIO PortsThe Super I/O has 22 programmable GPIO ports.
