Technical information
8.5 Hardware descriptions
SIMATIC IPC477E
144 Operating Instructions, 12/2016, A5E37455003-AB
Currently allocated system resources
All system resources (hardware addresses, memory configuration, allocation of interrupts,
DMA channels) are assigned dynamically by the Windows OS, depending on the hardware
configuration, drivers and connected external devices. You can view the current
configuration of system resources or possible conflicts with the following operating systems:
Windows Embedded Standard
and
Windows 7 Ultimate
Start menu "Start": Enter "msinfo32" in the search field and
press "Return" to confirm.
Assignment of system resources
The following tables and images describe the system resources for the delivery state of the
device.
The interrupts are assigned to devices by BIOS. Only non-shared interrupts are available for
the first Ethernet interface.
This means that applications or realtime operating system expansions can operate these
devices exclusively and with high-performance without having to share the interrupt with
other devices.
Interrupt sharing in APIC mode:
IRQ0 HPET (High Precision Event Timer), when HPET is
enabled in the BIOS "Advanced" menu.
System Timer, when HPET is disabled.
ISA exclusive
System CMOS / real-time clock
ACPI-SCI (system control interrupt)
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