Acpi States Codes; Cpu Temperature - MSI MEG Z590 UNIFY Manual

FB - FF Reserved for future AMI error codes

ACPI States Codes

The following codes appear after booting and the operating system into ACPI modes.
01 System is entering S1 sleep state
System is entering S2 sleep state
02
03 System is entering S3 sleep state
04 System is entering S4 sleep state
05 System is entering S5 sleep state
10 System is waking up from the S1 sleep state
20 System is waking up from the S2 sleep state
30 System is waking up from the S3 sleep state
System is waking up from the S4 sleep state
40
AC System has transitioned into ACPI mode. Interrupt controller is in PIC mode.
AA System has transitioned into ACPI mode. Interrupt controller is in APIC mode.

CPU Temperature

00 - 99 Displays current CPU temperature after the system has fully booted into the OS.
45
Onboard LEDs