|APCI(4)||Device Drivers Manual (hp300)||APCI(4)|
apci — Apollo
utility chip serial communications interface
apci* at frodo?
apci driver supports the non-keyboard
8250-like UART connected to the
frodo(4) Apollo utility chip.
The first UART is used to communicate with the Domain keyboard. The second
is the serial console port when the firmware is in Domain/OS mode, and is
mapped to select code 9 by the HP-UX firmware (except on 425e models). As
such, the second UART is handled by the
dca(4) driver on all models but
There is no tty attached to the first UART as it lacks modem/flow control and is directly connected to the keyboard connector.
Input and output for each line may be set to one of the following baud rates: 50, 75, 110, 134.5, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200, or 38400.
Much of the code in the
apci driver could
be shared with the dca(4)
|June 2, 2013||OpenBSD-5.5|