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System Resources; Currently Allocated System Resources; System Resources Occupied By The Bios/dos - Siemens simatic ipc227e Operating Instructions Manual

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Technical specifications
7.5 Hardware descriptions
7.5.4

System resources

7.5.4.1

Currently allocated system resources

All system resources (hardware addresses, memory utilization, interrupt assignment, DMA
channels) are assigned dynamically by the Windows operating system, depending on the
hardware equipment, drivers and connected external devices. You can view the current
allocation of system resources or possible conflicts in the Control Panel.
Procedure
To view the system resources, proceed as follows:
1. In the Windows Start menu, select "Start -> Run".
2. Enter "msinfo32" in the command prompt and confirm your entry with "OK".
7.5.4.2

System resources occupied by the BIOS/DOS

Overview
The following tables and pictures describe the system resources for the factory state of the
device.
Interrupt channels
The interrupts are assigned to devices by BIOS. An exclusive non-shared interrupt for
Windows Embedded Standard 7 and Windows 7 is available for the primary 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.
The following table shows the interrupt sharing in APIC mode:
Interrupt
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
114
System Timer / HPET
PS/2 keyboard controller emulation
Interrupt controller 2
COM2
COM1
Free
Reserved
Free
Realtime clock
ACPI-SCI (system control interrupt)
Interrupt type
ISA exclusive
ISA exclusive
ISA exclusive
ISA exclusive
ISA exclusive
Operating Instructions, 11/2016, A5E35782395-AB
SIMATIC IPC227E

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