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Questions tagged [ahci]

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

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The SSD is not recognized by Ubuntu 18.04 during installation

I have DELL Precision, with 512GB SSD. I did shrink the only Drive C, and made 125 GB of unallocated space to install Ubuntu on it. restarting the system choosing boot, install Ubuntu, the ...
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1answer
50 views

Is AHCI a hardware feature or a software \ firmware feature (capability)?

This question is posed because a Dell Optiplex 390 does not have AHCI. If it is a software feature then AHCI can be added. I am trying to follow the discussion associated with adding a kernel ...
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1answer
38 views

Unable to upgrade current 32GB SSD on Dell XPS 15 9550

I have a Dell XPS 15 9550 with a 1000GB HDD and 32GB SSD and want to upgrade the SSD which is currently only used for cache (from what I know). I bought the Samsung 970 Pro NVM m.2 SSD. I plugged it ...
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1answer
54 views

How to switch from IDE to AHCI after installing Windows Vista [duplicate]

Background Advanced Host Controller Interface (AHCI) is a technical standard defined by Intel that specifies the operation of Serial ATA (SATA) disk controllers. When it is supported by your ...
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1answer
177 views

Very slow SSHD in AHCI mode affecting Windows only

Some time ago, a friend bought this ZEUSLAP laptop from AliExpress and she asked me to install Ubuntu alongside the original Windows 10. Relevant specs: 240GB SSD + 1TB HDD (this turned out to be an ...
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1answer
2k views

Dell xps 15 9570 dual boot windows 10 with ubuntu 18.04, serious errors

I have been attempting to dual boot my Dell XPS 15 9570 with Ubuntu. I turned off fast boot and changed raid on to ahci. I had the latest version of Ubuntu loaded onto my USB flash drive and I tried ...
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290 views

Computer won't start on SATA mode AHCI

I had a computer with windows 8.1 installed but the HDD died. So I bought a new one and installed windows 8.1 with SATA mode IDE. Everything was fine untill I shut it down. When I tired to open it ...
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192 views

Installation of slipstreamed Windows XP fails with on AHCI-only sytem

I am stuck on Windows XP installation on an AHCI-only SATA-controller system, and ask therefore for help. VM is also not an option because of performance issues. I have a newer laptop with Windows 10 ...
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32 views

why wmic class gives wrong information?

I typed at my command line: wmic diskdrive get InterfaceType, Model I got the following: InterfaceType Model IDE TOSHIBA DT01ACA300 IDE Samsung SSD 850 EVO 250GB IDE ...
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0answers
22 views

Duplicating 2 mirrored disks in AHCI mode to new disks

I have a server with AHCI mode enabled and it has 2x 1TB SATA drives active - running as the equivalent to a RAID 1. These hold the OS and data for a Linux system. I want to do some quite extensive ...
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1answer
636 views

System Won't Boot If I Change from RAID ON to AHCI (Windows 10)

System Configuration - SATA Operation I am trying to enable AHCI for a "secondary system experiment" so that the drives will be recognized in the installer. Thing is, when I enable AHCI windows won't ...
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2answers
1k views

Switch RAID to AHCI without reinstalling Windows 10

My Dell XPS 9560 uses RAID as a SATA Controller. After I change it to AHCI Windows 10 will not boot. What should I do if I don't want to reinstall Windows 10?
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48 views

SATA Mode Application

I'm going to make computer using both SSD&HDD and Optane Memory. Therefore I'm going to set Optane memory for HDD. So I think RST Premium is a proper setting. And this is my question. If I'm using ...
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222 views

Can I mark a hard drive as removable (storahci service)?

Basically, I need the opposite of last time: I have an internal SATA Port that is connected to a "dock" which allows removing the drive. I would like the drive to show up in the "Safely remove ...
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2answers
3k views

Change SATA mode to AHCI before reinstalling Windows on new drive - possible lose of data on non raid drive?

Currently I've got 5 HDD connected to my PC: 1 is the OS drive, 2 are connected into raid0 volume0, 2 are connected into raid0 volume1 (the volume numbers might be wrong, I'm writing this from memory, ...
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901 views

Cannot boot pfSense USB

I've got a mini PC (Qotom quad core Mini PC Q190P) that I can not seem to get to boot the pfSense installation, despite other machines being able to boot from the same media, and this machine being ...
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1answer
254 views

Why did Windows XP require AHCI drivers when it could already load itself without?

When Windows XP boots without AHCI drivers on a SATA system, you get a BSOD like 0x0000007b. What I don't understand is why it can't load without AHCI drivers. Clearly it was already able to load the ...
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1answer
156 views

Running AHCI breaks SMART monitors?

I'm running this Intel H77 motherboard and Win7x64. I had BIOS configured to run SATA in IDE mode, so Intel RST was complaining. I just switched BIOS to run AHCI and updated the RST drivers, and now ...
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1answer
62 views

HDD takes a long time to respond from idle, but SMART tells me that spin-up time is fine

I have an HDD that I've been using for a while. It's a Samsung HD753LJ 750GB running on SATA. According to CrystalDiskInfo it has a Power On Count of 5,174 and Power On Hours of 17,664. Not sure if ...
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2answers
383 views

HDD not being detected by AHCI after HDD cloning; only by IDE

I've done a 1:1 HDD copy, containing Ubuntu 16.04, from a IDE drive to a 1 TB SATA HDD, using Clonezilla. The 1 TB HDD was previously used for Windows. The 1 TB HDD isn't being recognized by the BIOS ...
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1answer
377 views

SATA port multiplier: Drives not recognized

I have a port multiplier with a JMicron JB321 chipset. It connects, power ups and only shows the Drive that is connected on the first port. My SATA Config is at AHCI. My Board is: GA-H81M-SP2V A ...
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125 views

Windows 10 not accepting AHCI enabled, why?

My notebook has a ordinary 500GB HDD boot with Windows 10 and a small SSD onboard (24GB) that I intent to use as cache (since Samsung has discontinued ExpressCache). I have to change some settings and ...
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2answers
1k views

Convert Secondary Harddrive to AHCI from IDE

Sorry if I'm covering ground that's already been discussed, but I'm struggling to find an answer to my specific problem. I've recently (finally) managed to coerce my computer into upgrading to ...
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0answers
114 views

Asus P8H67-V AHCI Driver issues when installing Windows [duplicate]

I'm trying to install Windows as a dual-boot on an Asus P8H67-V (Socket 1155) PC running Elementary OS (Debian).  Here's my configuration: Intel Core I5-2500K Samsung 840 Pro SSD This previously had ...
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0answers
5k views

SSD is very slow on PC

Yesterday I installed Samsung 850 EVO ssd in the place where HDD was installed on my HP Pavilion Dv6t 6c19tx. Then I installed fresh Windows 10 pro on it and everything went smooth. I didn't notice ...
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1answer
300 views

How do I enter this into regedit

This post here explains a method for setting a port as internal but I don't understand exactly how to enter it into regedit. Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SYSTEM\...
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1answer
4k views

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 it'...
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1answer
469 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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0answers
338 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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1answer
240 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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2answers
904 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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2answers
6k views

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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6k views

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
536 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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3answers
3k 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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2k 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) The ...
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1answer
3k 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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1answer
162 views

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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1answer
2k 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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1answer
1k 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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3answers
143 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
236 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
5k 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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1answer
869 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
441 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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3answers
17k 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 ...
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1answer
1k 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
1k 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
23k 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 ...
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1answer
8k 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. ...