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Questions tagged [ahci]

Advanced Host Controller Interface (AHCI) is the particular way SATA controllers communicate with storage devices.

The Advanced Host Controller Interface (AHCI) specification describes the register-level interface for a host controller for Serial ATA. The specification includes a description of the hardware/software interface between system software and the host controller hardware. This specification is intended for hardware component designers, system builders and device driver (software) developers.

Implementation of the Advanced Host Controller Interface specification requires a license from Intel. Contributors of the Advanced Host Controller Interface specification for Serial ATA have signed the Advanced Host Controller Interface specification for Serial ATA - contributors agreement in order to be licensed to use and implement this specification. This contributors agreement provides Contributors with a reciprocal, royalty-free license to certain intellectual property rights from Intel and other Contributors for their products that are compliant with the licensed versions of the Advanced Host Controller Interface specification for Serial ATA.1

1Source:Intel

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Workaround to Install Ubuntu 20.04 with Intel RST systems

I tried to install Ubuntu 20.04 in my Dell G5 which has 2 drives. One with Windows 10 on it (256 GB) and another one with 1 TB capacity. I shrunk the volume of 1 TB by 150 GB and tried to install there. But Ubuntu installer didn't allow me as I got…
SubinR
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Am I using IDE or AHCI?

I recently installed an SSD in my laptop, but according to what I've read AHCI mode is preferable to IDE mode for SATA drives, something that is set in the computer's BIOS. However, I don't have any such option in my BIOS. Is there a way to check…
João André
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Very slow copying Ubuntu 12.10, AHCI

I have two disks, SSD (Samsung 830 128GB) and normal HDD (WD 1TB) and Ubuntu 12.10 installed. AHCI enabled in the BIOS. I have a problem with extremely slow copying in all directions (Samsung->Samsung, WD->WD, WD->Samsung and Samsung->WD). Let me…
Mat
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SATA Drive is not detected when hotswapping

So from what I've read online, if AHCI is enabled in the BIOS, I should be able to hot-swap a SATA drive and it will supposedly "just work". However, that has not been my experience. When I hot-swap a SATA drive on my system, it is never detected.…
You'reAGitForNotUsingGit
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How to switch from IDE to AHCI

I have dualboot Xubuntu 16.04.03 and Windows 7, unfortunately SATA controller is switched to IDE and I would like to switch to AHCI for better performance and didn't find out how. When switched BIOS option to AHCI, Xubuntu didn't boot up and I was…
Sebastian
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Does Ubuntu support SATA drives in AHCI mode?

I have a current installation of Ubuntu 13. Will it boot if I switch my SATA controller to AHCI in BIOS? (I installed Ubuntu in IDE mode) I have to wait until I fix my GRUB (Windows ate it), so I thought I'd take a poll here first in case there are…
timelessbeing
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No hard drive detected during ubuntu 19.04 installation

I'm attempting to install Ubuntu 19.04 on a 2019 Dell Inspiron 7490 (service manual). When I get to the point of selecting a partition to install on, the installer can't find any hard drive and I just see an empty list like this: . I found this…
Olle Nilsson
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Long boot time on Dell XPS 13 9350

I installed Xubuntu 17.04 on my Dell XPS 13 9350. It looks like everything works fine except one thing. The boot time is more than 100 seconds. Here is the dmesg output. Scroll it to line 914: [ 4.192005] brcmfmac 0000:3a:00.0 wlp58s0: renamed…
Evgeny Lazin
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Dual Boot Windows 10 and Kubuntu - SATA AHCI vs RAID [error]

I dual installed Kubuntu on a computer with Windows 10, grub is on /dev/sda while the Windows boot manager is on /nvmesomethingsomething. To install it, I had to set SATA from RAID to AHCI in the UEFI BIOS Setup. With SATA AHCI the boot of Kubuntu…
Gillian
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Intel RST on ubuntu for NVME (not sata/ahci)

Plenty of questions surrounding this and people say switch to ahci. That would be awesome, but my nvme evo 980s don't have ahci options in the asus rog bios on the wifi gaming d4. AHCI is a sata only technology? So that's it? No bios raid for me?
user19250735
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RAID/AHCI Trouble installing Ubuntu alongside Windows 10 on Dell laptop

I need help installing Ubuntu on my Dell Inspiron 7577. Note, this laptop comes with windows 10 pre-installed on a SSD. I tried installing Ubuntu 17.10 using a USB device. But as I went on with the installation it said that it didn't recognize any…
jdstrong95
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"No bootable device found" after Ubuntu installation hangs

Received my Dell XPS15 9550 today and the first thing on the todo list was installing Ubuntu 16. After some initial challenges which were fixed because the SSD was configured in the BIOS with "Raid On" I got to the step "Erase harddrive and install…
Sander Mangel
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Should I enable my Mobo Raid controller or leave it at AHCI?

I am setting up a raid storage volume, should I leave the sata controller on AHCI or switch it to raid when using Ubuntu's software side raid?
user305793
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Dual boot: Windows10 only boots in RAID On mode while Ubuntu only boots in AHCI mode

I bought a new laptop Dell - Latitude - 9410 2 in 1 with Windows 10. I want to install Ubuntu 20.04 LTS wich is my main OS. I want use the two OS with a dual boot. In what follows I describe different steps of the attempt I done, knowing that the…
ABCHIR Hamid
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Installing Ubuntu on HP Omen Desktop

I recently decided to try installing Ubuntu on my PC (an HP Omen 25L desktop) alongside Windows 10 to dual boot. The system has two drives: an SSD for the OS and a larger HDD for data storage. When I try installing Ubuntu from a USB, it doesn't…
TechnicallyTrue
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