Specifications

Little Board/P5i Technical Manual
3–18
 Right > or Ctrl-d
 Left < or Ctrl-s
 PgUp Ctrl-r
 PgDn Ctrl-c
The function keys are simulated by entering two keystrokes, an “F” followed by the function key
number. Thus, function key F3 is simulated with the literal “F3” typed on the keyboard. (Don’t type the
quotes). F10 is simulated with “F0”.
Note that these keystroke simulations are only valid during SETUP, not during normal operation.
Note
DOS programs that write directly to video RAM will not display
properly on a serial console device.
COM Port Table
When the system boots, DOS initializes the serial ports to 9600 baud (typical). To preserve the selected
console port parameters stored in SETUP, the Ampro ROM BIOS deletes the selected console port from
the internal COM port table, normally used by DOS to locate the serial ports. With the port deleted from
the COM port table, DOS cannot change its parameters. Because it is not listed in the BIOS COM port
table, it is not assigned a COMn designation (COM1, COM2, etc.).
3.10.3 Serial Booting and Serial Downloading
Serial console functionality has been expanded to incorporate two additional features useful in embedded
applications.
 The serial boot facility enables the Little Board/P5i to boot from code downloaded through a serial
port in a manner similar to booting from a local hard disk or from a network.
 The serial downloading facility permits updating Flash memory devices installed in the byte-wide
socket over the serial port.
Refer to Ampro Application Note AAN-9403 for a complete description of these features. Refer to the
Ampro Common Utilities manual for descriptions of SERLOAD and SERPROG, utility programs used to
support serial booting and serial downloading.