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7.3
ACPI Suspend Modes and Resume Events
The conga-TC175 BIOS supports S3 (Suspend to RAM). The BIOS does not support S4 (Suspend to Disk) even though the following operating
systems support it (S4_OS = Hibernate):
• Windows 10, Linux.
For more information about ACPI, see section 10.4.5 "ACPI Configuration Submenu".
Table 8
Wake Events
The table below lists the events that wake the system from S3.
Wake Event
Power Button
Onboard LAN Event
SMBALERT#
PCI Express WAKE#
WAKE#
PME#
USB Mouse/Keyboard Event
RTC Alarm
Watchdog Power Button Event Wakes unconditionally from S3-S5.
7.4
DDR4 Memory
The Intel Kaby Lake ULT SoC featured on the conga-TC175 supports DDR4 memory modules up to 2133 MT/s. The DDR4 memory modules
have lower voltage requirements with higher data rate transfer speeds. They operate at a voltage of 1.2V. With this low voltage system memory
interface on the processor, the conga-TC175 offers a system optimized for lowest possible power consumption. The reduction in power
consumption due to lower voltage subsequently reduces the heat generated.
Copyright © 2017 congatec AG
Conditions/Remarks
Wakes unconditionally from S3-S5.
Device driver must be configured for Wake On LAN support.
Wakes unconditionally from S3-S5.
Wakes unconditionally from S3-S5.
Wakes unconditionally from S3.
Activate the wake up capabilities of a PCI device using Windows Device Manager configuration options for this device OR set Resume On
PME# to Enabled in the Power setup menu.
When Standby mode is set to S3, USB hardware must be powered by standby power source.
Set USB Device Wakeup from S3/S4 to ENABLED in the ACPI setup menu (if setup node is available in BIOS setup program).
In Device Manager look for the keyboard/mouse devices. Go to the Power Management tab and check 'Allow this device to bring the
computer out of standby'.
Activate and configure Resume On RTC Alarm in the Power setup menu. Only available in S5.
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