Siemens SIMATIC IPC427D Operating Instructions Manual page 151

Advanced menu > "USB Configuration" submenu
Entry
XHCI Pre-
Boot Driver
XHCI
HS Port
Switch #
Per-Port
Control
The following table lists the assignment of the USB ports to the USB interfaces:
USB port
1
2
3
4
6
7
8
9
SIMATIC IPC427D
Operating Instructions, 05/2017, A5E31347215-AB
Meaning
Switches on (Enabled) or switches off (Disabled) compatibility mode of the USB3
host controller for operating systems which do not support USB3.
Enable or disable USB 3.0 support.
Auto During the BIOS boot stage, USB 2.0 support only. After the operating
system has started, an OS-specific USB 3.0 driver takes over the control.
Smart During the BIOS boot stage, only USB 2.0 support. USB 3.0 support is
Auto available during the subsequent warm restart, after the OS-specific USB
3.0 driver has reconfigured the XHCI controller.
Enables the HS port for switching between XHCI and EHCI. If the HS port is routed to
XHCI, the corresponding SS port is activated. If not enabled (Disabled), the port is
routed to EHCI.
Enables or disables data transfer to the USB port.
USB Enables (Enabled) and disables (Disabled) USB port no.# (see table be-
Port# low).
USB interface
Ext. interface X61
Ext. interface X60
Ext. interface X63
Ext. interface X62
Internal
Internal
Front interface X42 (with panel fronts only)
Internal
Technical specifications
8.7 BIOS description
151