Z97 Mpower Max Ac bios recover problem

Hi Everyone.
Firstly I am soory my bad english.2 months ago I try update my bios but I made mistake.Because ı update with external disk so my bios is crash.After I look manual and I switch other bios channel.I used one time only bios.Meanwhile I update working bios B And B now working with last vers. 1.8 .I searched the forum and I try recover Bios A but I can't.Please I need help.
I trying This methot:
A.) Download >>this<< bios archive and place it on your desktop. Do not decompress.
B.) Download and install the >>MSI HQ Forum USB flasher<< .
C.) Insert your FAT32 formatted usb stick.
D.) Make sure that all win 8 options are disabled. (Fast Boot etc) Also make sure the legacy USB is enabled.
E.) Start the forum flash tool and select option 1. Then point the tool at the compressed archive we downloaded earlier. Then to your USB Flash Drive.
F.) Boot to the USB from working bios B.
G.) Once it booted successfully switch to bios A without powering down or rebooting
H.) Now follow the directions and let the tool flash bios A with desired version
But each time gives different error.(error:romid,mac,gbe binaryswitch etc.)
I applied all the methods in the Forum but I can't.Please I need help.Note:my buzzer is not working since I received.
Thank you .

Quote from: Svet on 26-February-15, 17:03:54
if the bios is corrupted, standard flash/recovery will not works because it cannot save the MAC from Gbe region,
and will refuse to flash it.
therefor you have to do a full reflash with "-savemac" option removed.
use this one archive and follow the same flash steps:
https://www.dropbox.com/s/6iliezfcff39h24/E7888IMS.180_No_MAC.rar?dl=0
once flashing is done and bios works fine, use this guide:
http://service.msicomputer.com/msi_user/support/TechFAQdetail.aspx?formid=2993
to restore MAC address
and this utility: https://www.dropbox.com/s/mrxtkw1bdpudh50/Eeupdate.rar?dl=0
sounds like that you may also tried to flash the wrong bios
Z97 Mpower ==> E7915IMS.1xx
Z97 Mpower Max Ac ==> E7888IMS.1xx
Thanks my friend I have two working bios of you.

Similar Messages

Z97 mpower max ac - BIOS A bricked?

I just used M-flash to update my bios to the latest version, it went fine then rebooted to a black screen.
Using alternative bios at the moment, is there a method that I can recover A with?
Currently A just boots to a blank screen..
Bios B is running 1.1
Love some assistance, new owner of this MOBO and pretty sad about this

Quote from: mrbigbadw0lf on 04-November-14, 15:23:37
Hi Svet
The flashing looked like it was working well
It started writing etc then the machine just Shut Off?
I powered it back on and it had a black screen.
Didn't attempt again, not sure what i'm doing
I have it plugged in a usb 3.0 port? That's the only thing I can think of that may be abnormal
Quote from: mrbigbadw0lf on 04-November-14, 15:24:53
I have nothing over clocked
I do have 2133mhz vengeance pro ram, which the motherboard underclocks at 1333 at defaults?
Quote
It started writing etc then the machine just Shut Off?
check CPU cooling system
check its temp in bios setup
ensure that CPU heatsink makes a good contact with CPU surface
make sure that you didn't apply too much much or too low thermal paste
reseat the CPU if needs
what PSU you are using? see >>Posting Guide<<

Z97 mpower max ac Bios Recovery

hello guys
i cant recover bios A .

>>Use the MSI HQ Forum USB flasher<<
A.) Download the attached archive (E7888IMS_150.rar) and place it on your desktop. Do not decompress.
B.) Download and install the Forum flash tool.
C.) Insert your FAT32 formatted usb stick.
D.) Make sure that all win 8 options are disabled. (Fast Boot etc) Also make sure the legacy USB is enabled.
E.) Start the forum flash tool and select option 1. Then point the tool at the compressed archive we downloaded earlier. Then to your USB Flash Drive.
F.) Boot to the USB from working bios.
G.) Once it booted successfully switch to the bad bios without powering down or rebooting
H.) Now follow the directions and let the tool flash the bad bios with 1.5
I.) After flashing reinstall ME drivers in Windows: http://download.msi.com/dvr_exe/intel_me10_mb.zip

MSI Z97 MPOWER MAX AC, getting Random Bsod

I installed my new msi z97 mpower and i7 4790k and iv gotten random bsod, mostly when running youtube videos in fullscreen 1080p and when i tried to defrag my hdd i always got bsod. I formated everything and only installed the LAN driver from my dvd so i could get internet going and then i updated all up to windows 8.1, wich i then proceded to download the drivers from MSI Updater Live.
Main Board: MSI Z97 MPOWER MAX AC
Bios Version: 1.60
Video Card: Gigabyte GeForce GTX 980 4GB G1 Gaming
PSU: Corsair AX 850W 80+ Gold
12v rail Rating of listed PSU:
CPU: Intel Core i7 4790K 4GHz, 8MB
Memory:Corsair 16GB (4x4GB) CL9 1600Mhz VENGEANCE Quad Channel
SSD/ HDD: Corsair SSD Force 3 Series 180GB + 2TB WD Black 7200rpm 64MB
CPU COOLER: Corsair Hydro H100
Raid Card: None
Sound Card: None
Any Additional hardware plugged into your system: Gigabyte GTX 980
OC: No
Operating System: Windows 8.1 64bit
Drivers i have installed:
The bsod I'v gotten since i formated my harddrives, using WhoCrashed:
(This happen when i was typing this thread and it also knocked my mouse and keyboard out so i had to change their usb slots to make them work again)
I'v watched some other threads who had similar problems but i couldnt come to a conculsion on what problem i had, so any help would be very appriecated.

I have not tried the clear cmos guide and I will try it.
I have tried memtest, and passed. But iv only let it pass once after closing it because I didnt know how it worked.
Its 4x4gb singlekit. I will try the 'Exclude method' next
Here is the messages i got after clearing cmos
Edit: Clearing CMOS did not solve my problem.

Unboxing MSI Z97 Mpower Max AC Overclocking Motherboard

Intel Z97 chipset based motherboards is already out and I’m glad that Intel decided it to make the CPU socket the same LGA 1150 as before. Backward compatibility for the current CPUs and at the same time will have support for the upcoming Haswell Refresh and Broadwell (14nm) processors. More importantly, the chipset has three new features and these are:
•SATA Express – PCIe M.2 support. Can deliver data speeds up to 10Gb/s
•Boot Guard – serves as a shield against low-level malware attacks using Intel device protection system
•Upgraded Intel Smart Response and Raid start technologies. Now with Dynamic Cache Sharing
Few? yes, but don’t get disappointed about it yet, as I heard that the Z97 will be good at high memory frequencies and has better CPU overclocking.
That’s it for the review and thank you … just kidding hehehe. The main gist of this short review is on MSI’s Z97 MPower Max AC and it’s such a good looking motherboard. It has new features, heat sink design and OC essential tools which will be further discussed later on. Before that, let us take a look at the packaging first.
Black and Yellow ~~black and yellow…box is same as the Z87 Mpower Max before except for the OC Series logo design.
Flipping the front cover will give you some short info on Military Class 4 components (Hi-c Cap, Dark Cap, SFC, OC PCB), Guard-Pro (Circuit Protection, Humidity Protection, High Temperature Protection, ESD Protection, EMI Protection & Eco Power), OC Essentials (tools for overclocking), Enhanced Thermal Solution, Enhanced Power and Enhanced BIOS. Then to your right is a clear plastic window which will give you a sneak peek on the actual unit. Drools…
The Z97 Mpower Max AC is OC certified as it passed the Prime95 24-hour burn-in stress test with a liquid-cooled overclocked CPU. This is to ensure the board’s overclocking stability.
I/O overview is also shown here and Intel’s Wi-Fi AC module.
Specifications:
•CPU
Supports 4th and 5th Generation Intel® Core™ Processors, and Intel® Pentium® and Celeron® Processors for Socket LGA1150
•Chipset
Intel® Z97 Express Chipset
•Memory
4x DDR3 DIMMs 1066/1333/1600/1866*/2000*/2133*/2200*/2400*/2600*/2666*/2800*/3000*/3100*/3200*/3300*(OC) DRAM, 32GB Max
•LAN
Intel I218-V Gigabit LAN controller
•Audio
Realtek® ALC1150 Codec
•Video
3 x PCIe 3.0 x16 slots (support x16, x8/x8, x8/x4/x4 modes)
•Peripheral Interfaces
6x SATA 6Gb/s ports from Z97 with RAID Support
2x SATA 6Gb/s ports from ASMedia ASM1061
6x USB 2.0 ports (2 Rear / 4 Front)
12x USB 3.0 ports (8 Rear / 4 Front)
The package is full of bundles and some new stuff included
•Z97 Mpower Max AC Overview Map
•Z97 MPower Max User Guide
•Software & Application User Guide
•Overclocking Guide
•Quick Installation Guide
•OC Door Message Hanger
•SATA Cable Label Stickers
•MSI OC Badge
Closer look on MSI’s new OC case badge
•WiFi and Bluetooth Antenna
•Intel Wifi/Bluetooth Module
•MSI SLI Bridge
•IO Backplate
•M-Connector for Easy Header Installation
•V-Check Points Cable
MSI so extravagant with the bundles!!! Keep ‘em coming
•6x SATA 6GB/s Data Cables
•E-SATA PCI Expansion Bracket
What you will notice right away is the new water cooling heat sink for the VRM area. Enthusiasts will like this very much as they don’t have to worry on buying water blocks for this section. But even on stock, the heat sink is efficient to cool down the VRM chips. It is composed of heat pipe and ceramic materials.
PCB is matte black and is using dark solid capacitors. Layout is clean and organized especially on the area of the multi graphics card slots. OC button tools are placed on the upper right area of the board for easy access. The 8pin and 4pin power connectors on the upper left area are used to supply power to the CPU and it also helps achieve higher overclock potential and stability to the processor.
MSI also included an integrated Clock Generator chip called OC Engine (located below the CPU socket). Having this will support more BCLK adjustments from 100 / 125 / 167 MHz straps. The more flexible the strap is, the more doors for maximum OC potential.
12Phase DigitAll power design. Powerful enough to break OC world records and dominate benchmarks.
You also have the Military Class 4 components SFC chokes and Hi-c caps surrounding the CPU socket.
On the area in between the two heat sinks connected by a heat pipe is an additional 6pin power. It provides more juice and stability in multi-graphics card configuration.
The first two buttons on the left are the Base Clock Control Buttons. These buttons are used to increase or decrease the base clock frequency in real-time. At the bottom, you have the Discharge button and it allows you to fully discharge the motherboard and even removes information from the Z97 PCH. Next you have the Reset and Power buttons and lastly the most valuable button of them all – OC Genie for auto overclock.
To the farthest right is a switch. This is the OC Genie Mode switch which provides two overclocking modes. First mode is the Gear 1, the default automatic overclocking setting while Gear 2 is a higher auto overclock tweak than Gear 1. This goes hand in hand with the OC Genie Button.
V-Check Points is now version 2 with 2 extra ground connectors, allowing overclockers to use 3 multi-meters at the same time. You can check the VCCIN, DDR, Core,IGP, Ring Bus and System Agent voltage on the fly.
Audio Boost is also been upgraded. It has Dual Amps now and is using better Nippon Chemi-con filtering capacitors.
Here comes one of the major features of having Z97 chipset based motherboard, SATA Express. M.2 slot transfers data through a PCI Express 2.0 x2 interface which can reach up to 10 Gb/s speed. That is 67% much faster than your regular SATA 3 solutions.
Two more switches are to be found at the bottom of the board. First one is the Multi-BIOS Switch. This model has two built-in BIOS ROMs labeled as A and B (Default is BIOS ROM A). If one crashed, you can shift to the other for booting or perhaps use the other one for test purpose of new BIOS available in the net. You can also use this feature to fix corrupted BIOS. Next switch is the Slow Mode Booting and mostly used during LN2 or extreme overclocking situations. What it does is it will temporary decrease the CPU Ratio to 8x and after successfully booting to Windows you can flick the switch back again to apply your high overclock frequency settings.
Done with the switches and now for the small black button called Go2BIOS. Pressing this button before turning on your computer or right after a system restart, will go straight to your board’s BIOS.
The ever reliable Debug Code LED indicator is available in this model. This can be used greatly for troubleshooting boot up and hardware problems. Check out the User Manual Guide for the corresponding POST Code errors.
SATA ports 8 and 7 on the left are controlled by ASMedia ASM1061 while the rest are from the Intel Z97 chipset. There also 2x USB 3.0 internal headers available and also controlled by Intel Z97.
•PS2 Combo Port
•2x USB 2.0
•Empty space for Intel’s WIFI/Bluetooth AC Module
•6x USB 3.0 by ASMedia ASM1074
•1x Intel I218-V Gigabit LAN Controller
•1x S/PDIF Audio Output by Realtek ALC1150
•1x HDMI Port
•1x DisplayPort
•2x USB 3.0 by ASMedia ASM1042
•6x Analog Gold Plated Audio Ports by Realtek ALC1150
This is it for now and I don’t still have the right parts to run the motherboard to its max potential. I will update you guys as soon as I get my hands on the stuff I needed. Benchmarks and overclocking results will be made.
Long live MSI OC Series!!!

It is interesting MSI chose not to incorporate dedicated SATA Express port(s). Some manufacturers even incorporated that on it's Z87's.
Quote
Few? yes, but don’t get disappointed about it yet, as I heard that the Z97 will be good at high memory frequencies and has better CPU overclocking.
If Intel didn't increase the useable RAM bandwidth with Devil's Canyon, those higher RAM frequencies are going to do nothing! With a VRM still in the CPU, even with the improved TIM, it remains to be seen how much of a better OC'er Devil's Canyon will be on conventional cooling solutions. Anything above Z97 Gaming 7 or 9 is kind of overkill for an average non exotic cooling pc user. If anything like the Z87 Power Max I got to work with, most of those OC settings on these class boards was a total waste. Z97 better OC'er for normal users? Time will tell.

Weird issue with my z97 MPower Max AC

First off, I'm posting this here because I'm not sure this is an overclocking issue. Read on...
5Ghz is proving to be challenging to stabilize, but I'm close. I've discovered one of the reasons why I'm hitting a wall. I can get 4.9ghz stable easily...but 5Ghz...not so much. I belive the reason has to deal with my RAM.
Per many overclocking guides, I've lowered my RAM down from 2400 to 1333. I can get many stability tests to run for a bit by doing this, however once I bump my memory back up to 2400 where it should be, stability testing fails within seconds.
Why is this? Could this be related to a possible G.Skill problem that others experience?
I've tried many different voltage combinations...including bumping DRAM Voltage up, but nothing seems to help. I've literally hit a wall where increasing voltages no longer helps.
I can easily recreate this issue. Bump RAM back up to 2400, instant fail. Drop it down to 1333 and it passes for much further than having it at 2400. I cancel the tests early because I'm trying to see what marginal changes have the greatest effect.
Is there something I'm missing here? Some kind of setting or voltage I'm overlooking?
Specs:
MSI Z97 MPower Max AC (on latest 1.8 BIOS)
4790K
G.Skill TridentX 2400 10-12-12-31 1.65 VDIMM
On custom water loop.
My settings:
-4790K at 50x multiplier
-VCORE @ 1.400
-VCCIN @ 2.00
-DRAM Voltage @ 1.65
-CPU Ring Voltage @ 1.000 (Auto)
-CPU Ring @ 35x
I can get my system 24/7 stable @ 4.9Ghz at just 1.350 Vcore and VVCIN of 1.960 with my memory at 2400. Why is it when I go from 4.9Ghz to 5.0Ghz I can't get the system stable and I have to drop my memory all the way down to 1333? Again, increasing voltages doesn't help.

Have you tried a little extra on the IMC?
Of course greater memory bandwidth leads to greater load on the CPU, maybe you just reached it's limit?
Have you tried different BCLK strap?

Z97 MPOWER MAX AC not listing M.2 SSD

Hi. I've just mounted a new PC with the MoBo I wrote in the subject, Z97 Mpower Max AC. I've installed an M.2 SSD, a Samsung XP941 256Gb. The problem is, I can boot from this drive (wich has Windows 7 installed), but I am not getting full speed and I can't enable intel rapid start.
If I search the disk on the connected devices list (in the BIOS general information settings), M.2/Sata 5 appears to be empty, Samsung is not even listed there, but it appears in the boot list as a SATA disk. This disk is indeed a PCIe drive, and this MoBo is supposed to recognize PCIe SSDs in the M.2 port. Also if I try to set the boot in UEFI only, the system is not able of booting from M.2, so I think the problem has to be something related to the UEFI, but I'm not sure...
I have 1.8 BIOS version, and I have installed Rapid Storage.
Any ideas?

If you install the OS by legacy mode, you can't boot them with UEFI mode enabled. And M.2 PCI-E will not be listed on System Info(M.2/SATA 5), only M.2 SATA will be listed there, M.2 PCI-E will only be shown under boot sequence, so I think it's normal. About Rapid Start, did you install Smart Utilities??
http://www.msi.com/support/mb/Z97-MPOWER-MAX-AC.html#down-utility&Win7 64

Z97 MPOWER MAX AC Wifi Module issues in new build

After assembling a new PC based around the Z97 MPOWER MAX AC motherboard, everything is running perfectly smoothly, with the exception of the Wifi Module.
When I enter the BIOS, the board view shows PCIE8 as "Empty" (and not lit up yellow like the USB ports that have input devices attached).
The OS also does not seem to recognize this device at all, making it unusable.
Has anyone else had similar issues? I personally had some trouble seating the module in place on the first go, and spent a while trying to re-seat it with more confidence. I think I improved the second time (and third, and fourth) but I still haven't had any luck.
Maybe someone has found a trick to get it into position and secure it properly, that they can share?

I have the Z97 XPower AC and occasionally I do have problems with the AC module. It seems that it is a bit loose in the socket, even after tightening the hold down screw. I have found that after moving the case of working inside of the case and bumping around in the I/O area that it seems to become "unseated" just enough to cause a lack of connectivity. I have also found that the simplest way to resolve the problem is to open the case and just lightly apply pressure on the unit by pressing it into the socket, during the boot sequence. After this the wireless connectivity issues are gone until the next time I bump it or move it.

MSI Z97 MPOWER MAX AC + SSD Intel 520 Series (Freeze)

Hi everyone,
i have huge problem with my new MSI Z97 MPOWER MAX AC motherboard, and new Intel 520 SSD.
Something is not right, my SSD freeze form time to time.
The LED is lit for about 60 seconds, I am not able to perform any operation, then everything goes back to work.
Again, after a short time the same poblem, after couple of minutes again, and again.
Al drivers are UP TO DATE, BIOS are up to date, trim is ON, SSD work's in AHCI mode.
Do you have any ideas what can cause this problem ?

Quote from: JLio01 on 14-November-14, 17:15:33
List full specifications and BIOS version? And which SATA port do you currently plug in?
i5 4670k, Motherboard Z97 MpowerMAX AC, 16GB DDR3 Gskill Trident X 2400, PSU Corsair RM 750W
1st SATA port.
Quote from: pandaz on 14-November-14, 17:16:10
Intel SSD520 which is using sandforce controller might not be stable, you could search google as seems other people also got problem with this 520 series of SSD.
I do not think so, many people are extremely satisfied, the problem is probably with the motherboard or motherboards drivers.

Z97 mpower max ac

I have problem with wifi adapter in z97 mpower max ac
the problem is the disappearance wifi from my computer
I can't find wireless in network and sharing center and in device manage
i tried network troubleshooting and he said plug an ethernet cable into this computer!
(sorry for my bad English :D)

If you fixed it with the screw underneath the board unscrew it. Try reseating it and check if there are bent pins on the board. If not retry with the adapter card not screwed to the board and check if it is detected.

Z97 Mpower Max AC Help!!!!

I have done everything and cannot figure out whats going on. I received my new MSI z97 Mpower Max AC board today everythign is running great except I cannot get my 2 of my hard drives in RAID!!!! They are both have been formatted. Everytime I choose RAID mode in the bios. I cant get to windows, every time it goes into preparing automatic repair over and over and over. My main drive wich is a SSD has windows on it, the 2 drives I am trying to get working in RAID are both WD 500gb. If I go back into bios and choose AHCI everything is fine but the 2 drives are just 2 normal 500GB drives. The SSD is also set to first boot any ideas???? I know the drives are fine, they worked fine on the old board I took out today, here are some pics below:

Quote from: WarGasimXD on 14-January-15, 11:58:25
I get them on the stock bios, the 1.60 bios and the one you had me download. I noticed it when I first installed the board on the first start up just did not really pay attention to it. Im still having issues with trying to run RAID. It only happens when I run RAID. I tried different SATA ports and no luck. Also everytime I start the PC I have to change my mouse and keyboard to different USB ports. Its like every time I restart the USB port they were in stops working so I have to put it in another one etc....
etc you have this issue A2 error with both 1.60 & 1.80?
How did you flashed to .180? do you follow the flash methods which include ME flash too?
have you done >>Clear CMOS Guide<< with power cord removed after the update?

Z97 MPOWER MAX AC RAID Setup Question

Apologies if this is in the wrong place; I wasn't sure if I should stick this here or in the Windows x86/x64 board.
Essentially, what I would like to do is this:
Set up a RAID 1 (disk mirroring) array using the integrated Intel raid controller on my Z97 MPOWER MAX AC motherboard using two 1TB WD Blue drives. After setting up the array in BIOS, I'm wanting to do a clean install of Windows 7 Ultimate (OEM).
My question is this: If I wanted to set up a software recovery partition (like how OEMs ship most systems these days with an OS recovery partition), how would I go about setting up this partition in relation to setting up the RAID array and installing Windows? Is it even possible to do what I'm trying to accomplish, or am I giving the "department of redundancy department" a run for their money?
Many thanks.
EJ

isn't that you will still need the bios to be modified first so it will point to your OS recovery?

Z97 mpower max vcore question

Hi im a new owner of z97 mpower max for my setup haswell hwbot,and I noticed that the vcore is not accurate
all intel c-state or eist is disable all digitall power is on auto
my 4670k is fixed to 4500mhs with a vcore of 1.32
my vcor is on 1.32 but my fluke on the vcheck point indictaet 1.34
if i put 1.31 my fluke give me 1.33, 1.29=131
i have 4 fluke calibrated with this result the problem is just on the vcore all other voltage is very good

Trust your Fluke. The sensors and digital data translators on the board are not calibrated high precision instruments, else your board would cost even more.
The components used have tolerances and there is no calibration on each and every single board. Download HWINFO64 and see what that gives you.
You have V check points for a reason. Use them.

MSI Z97 MPOWER MAX AC compatibility 4790K and XP941

Hello I'm thinking to buy an MSI Z97 MPOWER MAX AC, but few questions are still keeping me away from it for now.
1 - I'm thinking pair it with an Intel 4790K
I've watched the compatibility list, and sadly it's not yet reported.
I know all Z97 boards will support this processor !
But... How can I perform BIOS/firmware upgrade, if the motherboard does not see the processor and does not POST ?
(mainboard ordered online never have latest BIOS ready).
2 - Thinking to use the M.2 connector with the : Samsung XP941 512GB M.2 NGFF PCIe Solid state drive SSD
I've read it 'works' on this mainboard, but nobody knows if booting from this device will work.
So , does Samsung XP941 had been tested ?? Is it possible to boot from it ??
Thanks for your help.

Quote from: SirVeniVici on 16-July-14, 23:17:57
Hi,
Im running Z97 xpower ac with Intel 4790k at 4.7Ghz, 32Gb Corsair Diamond Platinum 2666 RAM and the Samsung xp941 512Gb m.2
It will boot but I have a speed issue, I only get 400Mb/s and it reports back as a SATA6Gb/s connection
My manual says the JM2_1 jumper can set the port to SATA6Gb/s or PCIe mode, without stating which is which...
Tried with it a pin 1 & 2, system refuse to find the ssd, at 2&3 if boots as normal but as SATA6Gb/2
Without the jumper the setting is AUTO and the BIOS setting descide what to be used then again I cant find that setting in my BIOS v 1,3.
Any info would be helpful as how to make the mainboard realise it has a PCIe card in the slot.
>>Please read and comply with the Forum Rules.<<
Open your own thread

MSI Z97 MPOWER MAX AC Question

I just ordered a MSI Z97 MPOWER MAX AC and wonder if anyone hooks up the built in vrm water cooling on the board. I have a swiftech H240x water-cooling loop that I could incorporate into the loop if its worthwile.Also,I am putting a I7 4790k into it and wonder if I should try the Delid Die Guard with the 4790k delidded. Any info and tips for this mb greatly appreciated..

Hi
I have used this motherboard for a while. Using the is good idea and surely reduces temps a bit. I would do it now as I have custom cooling but I dont have this board anymore.
With delidding you have to buy it separately as thid board doesnt come with it. Surely worth it IF you dont break CPU while delidding it.

Z97 Mpower Max Ac bios recover problem

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