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

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36 views

Does AHCI actually boost performance for SSD drives? [on hold]

I've seen claims online above AHCI going all across the board: "ACHI offers a speed improvement over IDE" (source) "AHCI will allow you to hit ~500 MBps read/write and IDE mode will limit you to ...
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75 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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0answers
19 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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0answers
13 views

can i setup ISRT with a non RAID motherboard

hey there i was wondering if i could setup Intel smart response technology(ISRT) on a non RAID motherboard with 20GB of mSATA SSD... i mean the only two boot options available in my motherboard are ...
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2answers
29 views

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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0answers
68 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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1answer
178 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 ...
0
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1answer
157 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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1answer
181 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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0answers
194 views

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 ...
0
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1answer
178 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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0answers
211 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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3answers
4k views

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 ...
0
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1answer
2k 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. ...
0
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1answer
340 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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1answer
210 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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4answers
11k views

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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1answer
83 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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1answer
133 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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2answers
185 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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801 views

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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1answer
55 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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1answer
263 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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1answer
472 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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2answers
283 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
569 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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1answer
271 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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1answer
458 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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1answer
2k 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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1answer
129 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
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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
358 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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1answer
3k 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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1answer
505 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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1answer
491 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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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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2answers
1k 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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3k views

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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1answer
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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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449 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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1answer
299 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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1answer
900 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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380 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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281 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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1answer
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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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1answer
1k 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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1answer
886 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
602 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
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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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84k views

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 ...