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I've noticed in the BIOS settings of the newer PCs I own that I can configure the drive controller work either in AHCI (Advanced Host Controller Interface) mode, or else in IDE mode.
I'm suspecting that AHCI "performs" better, but I really don't know ...
Started by Chris W. Rea on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
Verdict :
These extensive benchmarks clearly show to us, AHCI (NCQ) definitely could improve AHCI as the language which....
AHCI vs IDE – Benchmark & Advantage
Excerpt : Advantage of AHCI
Hot-Plugging Native Command Queuing
...
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I have two servers running RHEL 5.4 quite happily. However, through simple oversight, AHCI/hotswap support was not enabled in BIOS at install time and is now needed. The machines are running ICH10R SATA controllers and kernel-xen-2.6.18-164.el5.
I tried...
Started by localhost on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at serverfault):
First off, are you certain AHCI has been from IDE to AHCI will mean you need to change the driver from the IDE driver to the AHCI one (called 'ahci')
You'll probably need....
I know nothing about AHCI, but searched anyways.
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I bought a new AM2 motherboard with a Phenom processor. I'm re-using a DVD-ROM and IDE hard drive that is several years old. I'm about to install Windows XP and I was wondering if I can enable AHCI now even though I don't have any SATA hard drives yet...
Started by burnt1ce on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
Yes
You will need to install the proper chipset drivers....
Changing the mode after installation more often than not results in an unbootable install (with BSODs) .
If you're planning on doing this anyways, then yes, you need to do so before installing Windows .
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I have a situation where I need to boot Windows Vista 64-bit from both a ICH10 and ICH8 AHCI SATA controller. Currently, it is setup to boot from the ICH10, but when I try booting with the ICH8, I get the famed Windows STOP 7B BSOD. How can I add the ...
Started by adurity on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
I would not think it is possible to switch between them without doing a sysprep generalise, or reinstall windows .
I am not sure you can boot from both as hard drive chipset / logic chip is one of the unique features between installations of Windows .
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I was trying to setup a friends laptop to dual boot vista/xp like mine. However after some searching, I found that his BIOS has his SATA setup to use AHCI mode. If I change that back to legacy or normal, which ever it was, Vista will BSOD on us. My question...
Started by John on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at superuser):
Here's a Microsoft knowledge base article that references what you need to do to turn on AHCI, so), thereby disabling the AHCI driver and possibly allowing it to boot in IDE emulation mode be better spent just slipstreaming AHCI support....
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Is this a standart procedure when enabling AHCI from IDE mode?
Click Start, Run, type regedit, Enter.
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Servic es\Msahci
Click Start in the Name column, and then click Modify.
In the Value data box, type 0, and...
Started by Artas1984 on
, 21 posts
by 7 people.
Answer Snippets (Read the full thread at techpowerup):
Since my mobo has three SATA 3 controllers to switch to AHCI.
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Hello,
I have just bought a marvell Sata III Pcie controller card, along with a 128gb Force 3,
I haven't got an ahci enabled motherboard, it's an msi h55-ed55.
The problem is from the marvell bios set up page there is only RAID settings, but the card ...
Started by CoffeeTwoSugars on
, 11 posts
by 4 people.
Answer Snippets (Read the full thread at bit-tech):
Although if your running Win7 I think it should support AHCI....
This might help.
The H55 chipset supports AHCI, and I don't believe any modern motherboard would not include support for AHCI.
Your motherboard does support AHCI.
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I recently put together a new AMD build.
This included a new motherboard (AMD 790GMH + 750SB).
Having gotten a bunch of new HDDs (including 2 1.5TB Seagates) I obviously want to monitor the SMART (S.M.A.R.T.) info for all the HDDs.
BUT WHAT THE F****?...
Started by coolVariable on
, 24 posts
by 10 people.
Answer Snippets (Read the full thread at anandtech):
But I know Windows drivers work just fine w/ AHCI & SMART.
Use native Windows AHCI drivers? I didn't know AMD AHCI drivers disables SMART readings.
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So currently my HDD is running in IDE. I installed an SSD and found dismal performance, then realized it was because I didn't turn on AHCI.
So, I search on Google "how to put windows 7 into ahci mode" and I got many results all saying the same thing. ...
Started by lieutenant54321 on
, 18 posts
by 4 people.
Answer Snippets (Read the full thread at minecraftforum):
Change a registry key.
So, I search on Google "how to put windows 7 into ahci mode" and I got many results all saying the same thing.
I installed an SSD and found dismal performance, then realized it was because I didn't turn on AHCI.
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I have a SSD drive & want to use the AHCI Mode & Native Command Quening from W7 Pro X64.
I performed the Regedit by setting the START paramater in the registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\servic es\msahci from 3 to 0 and then making...
Started by Pat on
, 13 posts
by 4 people.
Answer Snippets (Read the full thread at overclockers):
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