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NCR CX5 User Manual

NCR CX5
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Chapter 7: Power Management
The BIOS supports the Advanced Configuration and Power Management Interface
(ACPI) 3.0 specification. A key feature of ACPI is that the operating system, not the
BIOS, configures and implements power management. The CX5 terminal supports the
Global system power states defined by ACPI.
Computer States
G3 Mechanical Off
A computer state that is entered and left by a mechanical means
Example: Turning off the system's power through the movement of a large red switch.
Various government agencies and countries require this operating mode. It is implied
by the entry of this off state through a mechanical means that no electrical current is
running through the circuitry and that it can be worked on without damaging the
hardware or endangering service personnel. The OS must be restarted to return to the
Working state. No hardware context is retained. Except for the real-time clock, power
consumption is zero.
G2/S5 Soft Off
A computer state where the computer consumes a minimal amount of power. No user
mode or system mode code is run. This state requires a large latency in order to return
to the Working state. The system's context will not be preserved by the hardware. The
system must be restarted to return to the Working state. It is not safe to disassemble the
machine in this state.
G1 Sleeping
A computer state where the computer consumes a small amount of power, user mode
threads are not being executed, and the system appears to be off (from an end user's
perspective, the display is off, and so on). Latency for returning to the Working state
varies on the wake environment selected prior to entry of this state (for example,
whether the system should answer phone calls). Work can be resumed without
rebooting the OS because large elements of system context are saved by the hardware
and the rest by system software. It is not safe to disassemble the machine in this state.

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NCR CX5 Specifications

General IconGeneral
Memory4GB DDR3
Touch TechnologyProjected Capacitive
Operating SystemWindows 10 IoT
PortsEthernet
Weight5.5 kg

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