Siemens Simatic Industrial PC IPC427C - Manual (Page 123)

Detailed descriptions
16.2 BIOS Setup
SIMATIC IPC427C
Operating Instructions, 04/2009, A5E02414743-01
123
"IO Device Configuration" submenu
Figure 16-9 "IO Device Configuration" submenu
Disabled COM 1 or COM 2 is always disabled.
Auto BIOS switches on the COM. Resources are assigned
in the OS per reconfiguration.
Internal COM 1 / COM 2
Enabled COM 1 or COM 2 is always enabled. BIOS assigns
resources to COM.