1 2 === FTDI USB SERIAL OVERVIEW === 3 4 This is a bus driver that enables the EfiSerialIoProtocol interface 5 for FTDI8U232AM based USB-to-Serial adapters. 6 7 === STATUS === 8 9 Serial Input: Functional on real hardware. 10 Serial Output: Functional on real hardware. 11 12 Operating Modes: Currently the user is able to change all operating modes 13 except timeout and FIFO depth. 14 The default operating mode is: 15 Baudrate: 115200 16 Parity: None 17 Flow Control: None 18 Data Bits: 8 19 Stop Bits: 1 20 Notes: 21 Data Bits setting of 6,7,8 can not be combined with a Stop Bits setting of 1.5 22 23 At baudrates less than 9600 some of the characters may be transmitted incorrectly. 24 25 === COMPATIBILITY === 26 27 Tested with: 28 An FTDI8U232AM based USB-To-Serial adapter, the UEFI Shell, and the SerialTest application 29 using a PuTTY Terminal 30 31 See CompatibleDevices.txt for a list of devices which have been confirmed to work with this 32 driver.