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Cách Thiết Lập Chế Độ Ahci Và Ide Sang trọng Ahci Trong Bios Cực Đơn Giản – viettingame

AHCI and IDE are two modes in which a hard drive communicates with the rest of the computer system using a SATA storage controller. SATA hard drives can operate in a backward-compatible PATA/IDE mode, a standard AHCI mode or vendor-specific RAID. AHCI stands for Advanced Host Controller Interface and is a faster mode of operation compared to IDE. RAID mode also enables and makes use of AHCI.

AHCI provides a standard system that designers and developers can use to configure, detect, or program SATA/AHCI adapters. Note that even though AHCI taps into the more advanced features of SATA (e.g., hot swapping) for host systems, it is a separate standard from those set for SATA.

Đang xem: Ahci và ide

Comparison chart

AHCI versus IDE comparison chart



Stands for / AKA


Hot plugging (add/remove component while the computer is running)


Defined by


Operating modes

Operating system tư vấn

Advanced Host Controller Interface IDE: Integrated Drive Electronics / PATA: Parallel Advanced Technology Attachment
Supports new technologies such as native command queuing Maximum compatibility
Supported IDE interface does not tư vấn hot plugging
Not always compatible Lacks tư vấn for new technology such as native command queuing and hot-plugging hard drives
Intel Western Digital
Operation of Serial ATA (SATA) host bus adaptors Operation of a parallel ATA drive
Legacy Parallel ATA emulation, standard AHCI or vendor-specific RAID IDE
Windows Vista, 7, and 8; Linux, OpenBSD, NetBSD, FreeBSD, OS Z, eComStation and Solaris 10 All

Operating Modes

IDE only has one operating mode. But AHCI is a newer standard that was designed to be backward-compatible with legacy systems that could only “speak IDE”. So AHCI offers several modes of operation: legacy Parallel ATA (Parallel ATA, PATA and IDE are the same thing) emulation mode, standard AHCI mode or vendor-specific RAID. Intel recommends the use of RAID mode on their motherboard, as it is more flexible.


SATA (right) and IDE (left) hard drives. SATA has data cable on right and power cable on left. IDE data cable is ribbon-like (on the left)

Advantages of AHCI over IDE

IDE is considered adequate for the average computer user, and is the most compatible with other technology, particularly older devices. However, it lacks tư vấn for new technologies.

AHCI supports some important new features that IDE does not, such as native command queuing and hot-plugging hard drives. It also offers an improvement performance (speed) over IDE.

How to Enable AHCI Mode to Boost Performance

The video below shows how to enable AHCI mode in SSD (solid state drive):

AHCI is supported by all versions of Windows Vista and newer, Linux and Mac OS. However, Windows does not configure itself to load the AHCI driver upon boot if the SATA-drive controller was not in AHCI mode at the time of installation. So the PC will not boot up if the SATA controller is later switched to AHCI mode. The drive controller should be changed to AHCI or RAID before installing the operating system.

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Operating System tư vấn

AHCI is supported by Windows Vista and newer versions of Windows, Linux, OpenBSD, NetBSD, FreeBSD, OS Z, eComStation and Solaris 10.

IDE is supported by all operating systems.


Anonymous comments (3)

December 18, 2012, 5:07pm

Thank you!

— 62.✗.✗.224

December 8, 2013, 4:50am

It is incorrect that you must have AHCI enabled before a Windows 8 install. Merely set Windows to boot in safe mode on next boot, reboot and go into bios setup to switch SATA mode to AHCI, and reboot into Windows. Then restart the computer again. You will then be running in AHCI.

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— 67.✗.✗.77

October 19, 2013, 4:52am

You can change from IDE to AHCI without re-installing windows in windows 7, just takes a few minor registry alterations. Google it.

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