Advanced Host Controller Interface (AHCI) is a technical standard that specifies the operation of Serial ATA (SATA) host bus adapters

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How to solve AHCI and Sata interface

I have an Samsung 850 Evo 256 Gb as you can see the Samsung magician tells me that I don't have AHCI mode although I set the Windows registry for that mode by creating Msahci sub-key and modifying ...
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114 views

Hiren's Boot CD don't find my AHCI drive (HP Probook 450 G2)

I try to run HBCD from USB stick on my new laptop HP 450 G2 with 500GB HDD. HDD uses AHCI and in BIOS there is no way to change it. HBCD boot correctly but does not detect my harddrive. What can I do ...
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164 views

How to display advanced options menu in InsydeH20 F.26 bios?

I have a HP Pavilion m6-1063sf laptop. I've just installed a SSD and I want to active the AHCI mode. The problem is that the AHCI option is into the advanced options menu which is hide. After several ...
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84 views

Having SSHD while using an SSD working on AHCI mode

So I have an SSD working on AHCI mode. I'm planning to add an SSHD to my rig, so the question is do I have to change SATA controller to RAID mode when I got my SSHD? (to enable its Built-in SSD ...
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69 views

mSata 32GB is not recognized by Windows 10

So this is odd. I have a 32GB SSD connected into my motherboard through a mSata port. This device is recognized by the BIOS, but Windows 10 will not list it as one of my drives. When I run the tool ...
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47 views

I want to boot windows7 x64 with AHCI, but the BIOS does not even try

I just discovered, that BIOS was not in AHCI mode, and that's why my newly bought SSD was at low speeds. I installed a Linux on the SSD, it works perfectly in AHCI mode. Now my problem that if I want ...
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115 views

MacBook Pro with Windows 10, how to check if the SSD is using AHCI?

I am running Windows 10 on a MacBook Pro early 2011 and would like to ask how to check if the SSD is using AHCI? I cannot post images, but basically the SSD software, Samsung Magic, is saying: AHCI ...
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34 views

Fix boot sector / raid issue

So I had windows 7 installed on a raid 0 "drive", and therefore had my bios set in raid mode rather than AHCI mode. I then installed installed win 10 on another drive. It's just 1 SSD, no RAID, but ...
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163 views

Win7 Turning on AHCI

I recently purchased a 3TB WD internal drive as a media storage. I thought this would be no problem since i have a UEFI Bios (ASRock P67 Pro3). After not being able to use any of the storage beyond ...
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Windows 10 “media driver missing” on installation

[cross-post from MS Answers community as I doubt they will be able to help me there] [Update: I just tested the Windows8.1 Iso: It works. This seems to be a bug with the Win10 Build] Procedure: ...
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Unable to boot to Win 7 after failed Win10 on new SSD install and IDE to AHCI change

I have a GIGABYTE GA-P67A-UD4-B3 mobo, and was running Win 7 64 Ultimate on a 500 GB HDD with 4 additional HDDs (one was an old Win7 install dual boot) and a DVD drive. I wanted to checkout Win10 and ...
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How to reset the Intel SATA controller ROM?

I recently attempted installing Windows Vista in AHCI mode. I suspect that this adventure has somehow rendered the built-in Intel SATA controller inoperable in AHCI mode. I started off with a clean ...
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3answers
139 views

How do I know that my Samsung HD503HI hard drive supports AHCI?

I have Samsung HD503HI ATA Device (SATA) hard drive. I found that AHCI is giving some performance boost and I want to try it. I would reinstall Windows after so drivers are not problem but can my ...
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604 views

Need help to install AHCI driver on Win XP without reinstall

Trying to find solution I came across this LINK here, but encountered lot of pain and questions which are not described. I have Gigabyte MB H61M and did not succeed to work it out. Here is my ...
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509 views

Do I need to upgrade my Intel SATA AHCI controller drivers?

I have an ASUS P8P67M Rev 3.0 and a OCZ Vertex II SATA 2 SSD running Windows 7 x64. I will be upgrading the SSD to a Samsung 850 EVO SATA 3. I've read in several sites that in order to get the ...
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230 views

Does switching SATA/AHCI mode in BIOS affect Windows OS and data in the hard disks

Suppose the following situation: Each desktop machine have 3 internal SATA hard disks of different sizes (500GB, 1TB and 2TB) The BIOS have 3 types of SATA/AHCI mode (Disabled/IDE, RAID and AHCI) ...
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384 views

AHCI and RAID for BIOS settings when using 2 or more SATA hard disk

My third-hand desktop machine have the following BIOS settings: At what scenario should I choose 'RAID' and what scenario should I choose 'AHCI' and what other scenario should I choose 'DISABLED'?
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HD Windows 7 IDE to AHCI on windows 8.1 SDD

i have Windows 8.1 installed in a SDD as AHCI. I installed windows without any other HD connected to the MB. I have my old HD of 1TB with Windows 7 installed in IDE mode. I connected this HD into my ...
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912 views

Installing Windows 7 x64 on Asus M5A78-M LX V2, SATA Driver

I'm trying to install a fresh Windows 7 64bit on a computer with a M5A78L-M LX V2 motherboard and two SATA disks. The setup process shows the error "No device drivers were found. Make sure...". I've ...
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640 views

Intel Mobile Express Chipset SATA RAID Controller (iastora.sys) corrupt on boot

Running a Dell Latitude E7440 on EFI + SecureBoot + Windows 8.1 + BitLocker and I randomly get start-up issues where the OS is flagging iastora.sys as corrupt. With no action taken I can choose to ...
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169 views

Change CD drive from AHCI to IDE

I am installing FreeBSD, and getting a hangup error. I read that a fix is to change your CD drive from AHCI to IDE, but I can only find info on how to do this via the registry. How do you do this via ...
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How to switch from IDE to AHCI from outside the bios?

I want to change my sata hard from ide to ahci. But in my advanced bios menu there is no option to do that three is no ide configuration or sata configuration. I'm using laptop is there another way ...
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148 views

How to run SSD in XP with SATA hard drive to IDE adapter

Any tips please? I have a 840 EVO SSD, a SATA Hard Drive to IDE (ATA-133/100) UDMA PATA Adapter and XP. I have an old Dell Dimension 4550 with a soon to fail HD so since I have a spare SSD, want to ...
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2k views

SATA(AHCI mode) - Why an OS needs a AHCI driver, while BIOS can boot from HDD?

What is the relation between AHCI and SATA? How come an OS cannot operate a SATA controller without an AHCI driver, while the BIOS knows how to boot of a SATA hard disk? What are the difference ...
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415 views

Lenovo Update on ThinkPad x230 w/ SSD confused about AHCI drivers

Using Win7 Enterprise 64-bit on a ThinkPad x230 with an SSD. Lenovo Update 5.06.1006 has me install Intel Rapid Storage AHCI driver for Windows 64 ver 11.2.0.1006 from Intel dated 5/30/2012 After a ...
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400 views

Doing a clean install of Windows 8.1 x64 on a SSD - should I use RAID or AHCI?

when i first setup my computer about a year ago, i left it at the default AHCI when i installed windows 8. after doing so i was told by a computer tech that i should've just used RAID. i was confused ...
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How can I remove the option to eject internal SATA drives from the Windows 8 tray icon?

The Safely Remove Hardware icon in Windows 8 (and 8.1) offers the ability to eject my internal SATA drives, including the boot drive (see example). I don't see myself ever needing this - especially ...
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536 views

How would one enable AHCI mode on a Dell Optiplex 320?

How would one go about enabling AHCI mode on a Dell Optiplex 320? I have installed a SanDisk Ultra+ 256Gb SSD and cloned my Windows 8.1.1 install over, then re-aligned the partitions, but I'm still ...
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580 views

Laptop not booting if sata controller set to AHCI

I have Toshiba Satellite C660 Tried to install Windows7 by selecting Sata controller as AHCI I got this message Windows cannot be installed to this disk. This computers hardware may not support ...
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HDD Regenerator won't fix bad sectors

I got pretty new Toshiba 500GB HDD as 2nd HDD(just for data) in my ThinkPad T400. Seller told me, that he just replaced this HDD with SSD in his new laptop. After about month of using I tested this ...
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5k views

How to roll-back AHCI driver from iaStorA.sys --> msahci.sys Win7

I'm trying to have my HD run in AHCI mode with Intel RST drivers (not just mshahci.sys) after installing windows 7 in IDE mode. Specs: Windows 7 x64 SP1, Asus Maximus III Gene, ASUS AMI bios Rev. ...
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642 views

ACHI drivers for W8.1 with amd

I hope you can help me... I just installed a SSD (Samsung EVO 840) and windows 8.1 pro in my pc with M5A99X EVO ( chipset AMD 990X/SB950 ) motherboard. The SSD is installed in sata3 socket using a ...
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476 views

Running OS image from Dell Laptop (set to RAID mode) in VirtualBox [duplicate]

I have two SSD images from two different modern Dell laptops that use the new BIOS that allows you to set your boot mode to "legacy" and then set your SATA mode to AHCI or "Raid mode" (Intel Rapid ...
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Check if my SSD in runing on AHCI mode inside Windows 7

How can I check to see if my SSD is running in AHCI mode? Do I need to install some special driver for that? Looking for some AHCI indication: I'm using Windows 7.
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282 views

Is there a chance to lose data if I switch RAID to AHCI

I have Windows 7. The boot drive is NON-raid SSD. I also have 2xHDD RAID1 (just data). RAID is Intel Matrix (or whatever the latest name for it). I installed Windows in RAID mode What might happen ...
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556 views

Windows 7 Installation asks for AHCI drivers when installed a HDD into the DVD Bay

I'm facing a problem I never faced before: I replaced the DVD Optical Drive of my laptop with a HDD. The HDD is correctly seen into the BIOS but when I'm trying to install Windows 7 the Installation ...
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297 views

One excessive icon (Safely Remove Hardware and Eject Media ) after changing the BIOS to AHCI

I installed the x64 version of Win 7. After that I modified the "regedit" and then changed the SATA selection mode to AHCI (which was in IDE mode before) in BIOS. But; 1- One excessive icon has been ...
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73 views

XP to Windows 7 Upgrade, changing back and forth to AHCI

I want to install my Win7 Upgrade Version onto my new Lenovo L440. Before I do that I need my Win XP on there, so my Win7 Key would work. When trying to install Win XP it gives me a bluescreen, ...
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746 views

Motherboard Dying? AHCI Drive Init and boot loop intermittent failure

My computer is now intermittently failing to boot up. For the last couple of days, when I turn it on it hangs on "AHCI Drive Init...", and when powered off and on again, it booted up fine. Today, it ...
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953 views

Windows start up failing to pass ahci driver init

I have build a custom pc and used for a few months now without problems. One day however, i got home and the he was shut down because of some error. Started windows normally and I got two error ...
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457 views

Sudden hard diskn AHCI failure to initialize

My system has been running smoothly, with no changes for months, but this morning when I turned it on it hung on AHCI init. I narrowed it down to being some kind of issue with my second HDD (boot ...
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Stop Windows asking me to eject ATA device [duplicate]

Recently reinstalled windows and have AHCI enabled (perhaps it has something to do with AHCI mode). Basically, I have the option now to eject my hard drives in the "Safely remove hardware and eject ...
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570 views

Does my Intel DG41TY motherboard support AHCI?

I wanted to buy a new SSD but then I found out that AHCI support in the motherboard is important. I looked into Google and couldn't find out if my Intel DG41TY motherboard support AHCI. The manual ...
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787 views

How do I install Solaris on a “fake RAID” a.k.a. “AHCI+RAID” SATA/SAS-Controller?

The Solaris installation system (text installer, live installer) does not recognise the AHCI controller, although the controller is explicitly listed as supported on the official HCL? How do I install ...
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4k views

Samsung Magician doesn't detect SSD when set to AHCI mode

I just installed a Samsung 840 Pro SSD in my box, NOT as the system drive, but just as a regular HD. I have a Gigabyte board[*] with 6 SATA ports in an Intel controller and 2 additional ones in a ...
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179 views

AHCI and write-caching

In the readme for an update to the Intel Rapid Storage AHCI Driver from Lenovo, they suggest that to improve performance I should turn off Windows write-cache buffer flushing on my drives. ...
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1answer
7k views

How to get AHCI support on an IDE Windows 7 installation? [duplicate]

I installed Windows 7 onto a SSD with the motherboard in IDE mode. Now when I try to change the motherboard to AHCI mode, Windows 7 will not successfully boot (blue screens mid-boot). How can I add ...
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1answer
536 views

Switched 3 HDD's from IDE to AHCI, I cannot see one of them in Windows now

I noticed my setup is running in IDE mode, which I changed to AHCI in bios. 1) SSD with Windows 8, booted up successfully in safe mode, after that, booted up in normal mode easily 2) 1TB HDD with ...
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How do I determine if my controller is in IDE or AHCI mode in Linux?

I have an old MacBook Pro 4,1 (early 2008) - but I suspect an answer would apply to many MacBook Pros. It has an Intel IDE/SATA controller (ICH8M/ICH8M-E). I have installed a patched MBR that is ...
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896 views

SSD and AHCI BIOS settings

I have a laptop that already has an SSD and an HDD. I want to replace the HDD with another SSD. I have read that I need to change the BIOS settings to AHCI. I want to ask this because my PC has an ...