Power Rails Meanings - Seco COM-Express CCOMe-C79 User Manual

Carrier board for type 7 module on atx form factor
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JP1 position
Battery Low Indicator enable
Not inserted
Indicator disabled
Inserted
Indicator enabled

Power Rails meanings

In all the tables contained in this manual, Power rails are named with the following meaning:
_RUN: Switched voltages, i.e. power rails that are active only when the board is in ACPI s S0 (Working) state. Examples: +3.3V_RUN, +5V_RUN.
_ALW: Always-on voltages, i.e. power rails that are active both in ACPI s S0 (Working), S3 (Standby) and S5 (Soft Off) state. Examples: +5V_ALW, +3.3V_ALW.
CCOMe-C79
CCOMe-C79 - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R. - Reviewed by E.S. Copyright © 2021 SECO S.p.A.
The RTC battery voltage level is monitored through a comparator inside the board. Battery
low status signal (BATLOW#) is carried to COM-express module to be managed.
JP1 is a 2-way jumper to enable/disable this indicator.
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