[Hero XI] Power cycles after disconnected form power

[Xpoint]

Hello there,

I just finished my new Build about a month ago and since then I have the "issue" that my PC restarts two times after pressing the power button and the PC was disconnected from power since last boot. This isn't really an issue since it just delays the first boot of the day by 10 seconds but I wanted to ask if this could be an indicator that something isn't quite right.

I did not overclock anything except enabling XMP of my RAM. I even disabled MCE.
I just read about someone experiencing power cycles with AURA. I use AURA too. Is this a known issue?

The power cycle always looks exactly like this:

• I press the power button and the PC turns on
  
• After exactly 1.5s the PC shuts off.
  
• After another 4.5s it turns back on.
  
• After another 1.5s it turns off again.
  
• After another 4.5s it turns on again and boots successfully.
  

This behavior is 100% reproducable.

Right before it shuts down it shows code 28 but I can't find it in the manual. Before that it shows 20 which I can't find either.
Am I reading the manual wrong? What does 19-1C mean for example?

My system:

• i9 9900K
  
• Hero XI Hero Wi-Fi
  
• G.Skill Trident Z RGB 16GB, DDR4-3200
  
• Strix 1080 Ti
  
• ASUS MG278Q
  
• NZXT Kraken
  
• EVGA SuperNOVA G3 750 750W ATX
  
• 
  

[Phillyflyer]

zebyte wrote:
I have been through all these threads and read the explanations but why did it not do the cold boots on the bios version that shipped with my board.

That my friend...I can't answer......all I know is that it's been the norm on both Asus z370/z390 boards.....You always have the option to go back to bios 225.

[mdzcpa]

I believe SilentScone from the Asus team did reply in the large thread here on the topic that the boot up routine is normal behavior for the motherboard.

[zebyte]

They may say that its normal but when I first got my maximus xi Call of duty edition its bios version was something likes 022x something like that and I specifically checked if my pc did this after a cold reboot (after removing power cord from the socket or by turning off psu switch) it did not. Even after enabling XMP it would just boot fine from cold boot. I updated my bios to the "first bios" available on the motherboards firmware page and after that It started doing 2 restarts on a cold boot from there on, I checked all bios versions and it did the same on all of them. Interestingly, the bios version my board came with is not available on the website it was a weird number 022x something like this, if you guys can find this bios version I can tell it won't do the reboots on it.

[Xpoint]

zebyte wrote:
Interestingly, the bios version my board came with is not available on the website it was a weird number 022x something like this, if you guys can find this bios version I can tell it won't do the reboots on it.

Interesting, but one should not dongrade the BIOS just because of this small cosmetical issue since you'll miss out on micro code updates against Meltdown and Spectre.

[MrAgapiGC]

Xpoint wrote:
Hello there,

I just finished my new Build about a month ago and since then I have the "issue" that my PC restarts two times after pressing the power button and the PC was disconnected from power since last boot. This isn't really an issue since it just delays the first boot of the day by 10 seconds but I wanted to ask if this could be an indicator that something isn't quite right.

I did not overclock anything except enabling XMP of my RAM. I even disabled MCE.
I just read about someone experiencing power cycles with AURA. I use AURA too. Is this a known issue?

The power cycle always looks exactly like this:

• I press the power button and the PC turns on
  
• After exactly 1.5s the PC shuts off.
  
• After another 4.5s it turns back on.
  
• After another 1.5s it turns off again.
  
• After another 4.5s it turns on again and boots successfully.
  

This behavior is 100% reproducable.

Right before it shuts down it shows code 28 but I can't find it in the manual. Before that it shows 20 which I can't find either.
Am I reading the manual wrong? What does 19-1C mean for example?

My system:

• i9 9900K
  
• Hero XI Hero Wi-Fi
  
• G.Skill Trident Z RGB 16GB, DDR4-3200
  
• Strix 1080 Ti
  
• ASUS MG278Q
  
• NZXT Kraken
  
• EVGA SuperNOVA G3 750 750W ATX
  
• 
  

Do not worry is normal. that was present even on z270. so be calm do not worry about it.

[Ch3vr0n]

Happens every time on every board when AC power is removed. Leave the power up and it wont. This behavior is 100% reproduceable because its 100% the way its supposed to work. Without this initialization process the box of parts and wires would never know its a PC.

No it isn't, NEVER happened with my M8F when power was unplugged. EVER.

[Xpoint]

JustinThyme wrote:
This behavior is 100% reproduceable because its 100% the way its supposed to work. Without this initialization process the box of parts and wires would never know its a PC.

No PC I've ever owned did this. After all, the BIOS could just save these parameters.

[mdzcpa]

Xpoint wrote:
No PC I've ever owned did this. After all, the BIOS could just save these parameters.

OK guys....I will state the compromise.... MANY boards have had this double or triple boot behavior in the past. Some boards have not. I can tell you that my EVGA X58, Asus X79 Deluxe, and ASUS Rampage IV all did a double boot. While my Asus Hero VII and VIII did not. Multiple boot sequences arise from on board bus clock timers, memory timings, and PCIE lane speed buses. Depending on implementation, the board may or may not need a multi boot sequence. These parameters are NOT saved to the BIOS as they are variable transient settings.

In any event, it is no big deal. Most users leave their power on after shutdown, so most folks just don't care. For those that do not like the behavior, maybe you keep the PSU powered after shutdown too. If you don't like that option, then relax and understand it is normal behavior for the Max XI series of boards to do this.