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

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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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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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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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How to enable/switch to AHCI in Windows 7 64 bit on Boot Camp 3 MacBook White 2010

After some research and ploughing through the internet, I know that one can enable/switch to AHCI on a PC using registry involving BIOS (please correct me if I'm wrong). The instructions can be found ...
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34 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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40 views

Recovery of RAID1 After converted to AHCI

I recently made a machine for my brother with a 500 GB solid-state for the OS (Win8) and two 1-terabyte hard disks in a mirrored RAID for separate file storage. A few weeks ago having the mirrored ...
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128 views

DSDT patching for ICH7 M based motherboard

First line Summary :: Help in compiling / pathching DSDT file Overall Picture of Issue: For last few days i have been trying to resolve a issue which face in our ...
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135 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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181 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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116 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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1answer
264 views

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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138 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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254 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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1k 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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80 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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540 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
145 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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1k views

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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259 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 ...
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278 views

Change SATA mode to AHCI and Windows Fails to boot [duplicate]

I installed Windows 7 sp1 x64 in IDE mode but I had to change the SATA mode to AHCI; and now Windows 7 failes to boot; Any idea how to make windows boot again? (without reinstalling Windows)
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634 views

How to force Windows XP to use a particular driver?

I understand in theory how to enable AHCI after having installed windows in IDE mode. I am running into this problem however: the driver provided by Asus for Windows XP Pro x64, AMD AHCI Driver ...
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747 views

Switching from IDE to AHCI and booting Fedora

I have switched SATA controller mode from IDE to AHCI, and my Fedora (the latest release) doesn't boot now. I'm not surprised by this fact alone, but I am surprised with the message I'm getting: ...
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Switching from RAID to AHCI with Windows 8

Many tutorials explaining how to change from one mode to the other. Usually it revolves around these instructions: Change: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci Start to 0 ...
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880 views

Enabling AHCI in BIOS for SSD

I am trying to help a friend with a desktop upgrade. It is an old machine with an Intel DG31 main board. The board has 1 IDE port to which a DVD-ROM drive is connected, and 2 SATA ports. 1 SATA port ...
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338 views

AHCI on Windows if BIOS does not have the option but all hardware does support it?

Is it somehow possible to use AHCI on Windows if the BIOS does not have the option to enable it? This is a known problem especially on mid-old Laptops that have chipsets and drives that perfectly ...
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218 views

One hard drive missing after converting from ide to ahci

I have two 500GB SATA HDD in my desktop running XP. After converting from IDE to AHCI, the HDD I use to store data can no longer be accessed from XP. It shows only the first partition as 150GB, and ...
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534 views

Asus m5A97 RAID/AHCI configuration

I'm trying to RAID two SSD's in raid 0 to install games on, but I want to have my OS running off of my HDD (which it is currently installed on). I have the HDD plugged into SATA 5, and the SSD's ...
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323 views

HDD spins up/down in a strange way during Windows 8 shutdown

In my PC I have one SSD and one HDD. In the SSD I have installed Windows 8, while the HHD is for personal data storage. Until yesterday the SSD was in AHCI mode and the HDD in IDE mode. The problem ...
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251 views

Windows 7 AHCI mode

I have installed Windows 7 on drive which was in IDE mode. When I have changed mode to AHCI OS didn't start (I know. AHCI drivers are needed.). Unfortunately when I back to IDE mode, OS still won't ...
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834 views

Does the ASUS P5G1T-M LX2/GB motherboard support AHCI mode for SSDs?

I got an OCZ Vertex 4 SSD the other week and I've managed to install it and it's working, but I think it's still running in SATA mode instead of AHCI mode (which if I understand correctly is more ...
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897 views

How to move a sata drive to a machine without AHCI mode

I've got a Dell Inspiron 1545 on which the screen has died. I'm able to plug an external monitor into the Inspiron 1545 and it works fine, so the screen is the only issue. The OS is Win7. I'm ...
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677 views

Disadvantages of enabling AHCI after Win7 install

I've formatted my notebook that has a 5400RPM HDD with ~500GB capacity. After installing Windows 7 and about half the drivers (including chipset) I began to doubt whether to go for IDE or AHCI mode ...
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1answer
520 views

Upgrading msata Dell xps 14 ultrabook

I'm planning to upgrade the msata of my dell xps 14 to a Mushkin Atlas msata. Currently my machine has the intel caching enabled. When I upgrade the drive and switch the sata mode to AHCI, will the ...
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1answer
4k views

Changing from RAID to AHCI and Windows 7 will not boot

I had a RAID0 array that for all intents and purposes went to hell. I put a new SSD (same on-board Intel controller) and installed a new copy of Windows on it and all the drivers (Intel Rapid Storage, ...
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Change from IDE to AHCI after installing Windows 8

I had my drive controller configured for IDE when I installed Windows 7. This didn't change when I upgraded to Windows 8. I now need to enable AHCI, but doing so causes Windows to fail to start. It ...
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Should AHCI be enabled for an SSD?

I have ordered a OCZ SSD and it will be the first that I have installed. In prepping for it's arrival and install, I reviewed MSI web site to be sure I do as much right the first time as possible. On ...
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1answer
703 views

BIOS won't allow SSD as default boot drive

I've been using a Vertex3 SSD as my Windows 7 boot drive in IDE mode for a few months without problems with a ASRock A75M-ITX motherboard. Today, I ran the Microsoft fix-it to enable the AHCI ...
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576 views

Getting an IDE mode installation of 7 to run in AHCI mode? [duplicate]

I installed windows 7 a few months ago while my SATAs in my bios were configured as IDE. When I change it to AHCI for an added speed boost, I get a BSOD on startup. Is there a way or tool I can use to ...
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8k views

Enabling AHCI for SSD under Win7 BootCamp on Macbook Pro 2011

I've just installed a new Samsung 830 256GB SSD and have configured BootCamp with Lion and Windows 7. Under Lion, I have installed Trim Enabler. Under Windows 7 I have installed the Samsung (Wizard) ...
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How to enable AHCI in Windows XP without reinstalling

This question is part of a larger list of things I'll need to do before installing a new SSD drive, but I think it deserves its own question. Current setup: A dual-boot machine with Windows XP ...
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2answers
3k views

Can't boot into fresh install of Ubuntu with AHCI enabled

I had previously a Windows XP installation on a RAID1 array (controlled via Intel Matrix Storage Manager). I decided to ditch it and install Ubuntu 12.04 (using "software RAID"). So first I reset both ...
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1answer
262 views

Updating SandForce SSD on JMicron controller in AHCI mode

I would like to update my A-Data S599 drive using ASUS P5V-VM DH board. The board have 2 controllers one is VIA and the other is JMicron. Only JMicron supports AHCI mode which is required to update ...
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3answers
925 views

Asus Formula I AHCI / Crucial CT256M4SD1 SSD boot issue

I have an Asus Formula I, the BIOS version is the latest 1402. I have 2 CD-Drive and 2 Regular Drives attached to the SATA ports. Now I've bought the Crucial CT256M4SD1 and want to use it as boot ...
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Will I experience problems running a Corsair Force GT SSD in IDE mode?

I'm planning to buy the Corsair Force GT 120GB (CSSD-F120GBGT-BK) and I'm planning to use it with an older motherboard that doesn't support AHCI (ASUS P5K SE). Will I experience any problems when ...
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Why boot fails with bios SATA Mode as AHCI?

In a nutshell, I am trying to figure out for some Jetway engineers and myself, why the custom bios they made me does not allow SATA devices to boot in AHCI mode. Obviously, this is difficult to ask ...
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Using an SSD with no AHCI [ICH7 base] - Windows 7 hangs frequently

I have a Shuttle Intel G31 + ICH7 (base -- not M/R etc) system. I just bought an OCZ Vertex 3 120gb [VTX3-25SAT3-120G] which includes the Sandforce 2218 firmware. The ICH7 does not support AHCI. I ...
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2answers
970 views

Windows 7 will start in SATA RAID mode but not in AHCI

I have installed Windows 7 on my PC (Gigabyte ga-p55-ud5) with the SATA controller set on RAID mode. After that, I've decided to try to install Mac OS X and to do so I had to set my SATA controller to ...
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1answer
1k views

AHCI, Windows 7 and can only boot with Windows DVD present

Foolishly, I installed Windows 7 with my new SSD set to IDE. I would like to change it to AHCI. I have done this before, with a different motherboard. What happens: I set the controller to AHCI in ...
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4answers
1k views

ICH9 chipset weirdness: Computer hangs when AHCI mode selected

I can’t get AHCI mode to work on a Dell Optiplex 755. I’ve installed the drivers, but when rebooted in „RAID Autodetect/AHCI” mode, the system hangs. No Windows logo, no BSOD, nothing. Only a blinking ...
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Custom Built Computer - Windows 7 and Ubuntu 11.10 Install Fails

I just built a computer with the following: Gigabyte Z68A Motherboard Corsair Force GT 180GB SSD GeForce GT430 Graphics card Corsair TX750 Watt Power supply Intel i5 CPU My problem when trying to ...