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#16 RE: AHCI driver dev 8c08 by plutomaniac 22.10.2014 18:56

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Yes, RST is not supported for that entry-level chipset. I guess it's using a stock AHCI bios module and stock/generic Windows drivers.

#17 RE: AHCI driver dev 8c08 by smalldragor 22.10.2014 19:20

Yeah so i accually took some time to install win7 in AHCI mode and as it seems that it is DEV_8c02. Crap now i do not know what am i doing wrong on my winxp.


#18 RE: AHCI driver for Intel H81M Chipsets by Fernando 22.10.2014 19:24

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Zitat von plutomaniac im Beitrag #16
Yes, RST is not supported for that entry-level chipset. I guess it's using a stock AHCI bios module and stock/generic Windows drivers.
If the mainboard doesn't work with RST drivers, I doubt, that it will support AHCI at all.

@ smalldragor:
When you enter the BIOS, do you see any possibility to set the (Intel) SATA Controller to "AHCI"?

#19 RE: AHCI driver dev 8c08 by smalldragor 22.10.2014 19:42

I'm not quite sure if i understand it wright but picture i made shows that there is SATA mode option: IDE mode and AHCI mode. I can change those mods by will, and in win 7 it is working in AHCI mode using AHCI dev_8c02 drivers

#20 RE: AHCI driver for Intel H81M Chipsets by Fernando 22.10.2014 19:51

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Zitat von smalldragor im Beitrag #19
I'm not quite sure if i understand it wright but picture i made shows that there is SATA mode option: IDE mode and AHCI mode. I can change those mods by will, and in win 7 it is working in AHCI mode using AHCI dev_8c02 drivers.
Ok, now - while running Win7 in AHCI mode - you can test, if my "modded" Intel RST driver v11.2.0.1006 are working with your system.
Please replace the generic MS AHCI driver manually from within the Device Manager. Important: You have to force the installation by using the "Have Disk" button!

#21 RE: AHCI driver dev 8c08 by smalldragor 22.10.2014 20:18

Yeah so i needed to use Universal 64bit RST driver v11.2.0.1006 and it worked just fine. But i do not know how those x86 are working.

#22 RE: AHCI driver for Intel H81M Chipsets by Fernando 22.10.2014 20:36

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Zitat von smalldragor im Beitrag #21
Yeah so i needed to use Universal 64bit RST driver v11.2.0.1006 and it worked just fine. But i do not know how those x86 are working.
Since the 64bit Intel RST driver worked fine with Windows 7 x64, the 32bit driver will work with Windows XP in AHCI mode as well.

EDIT:
Maybe your previous tries to switch the SATA mode while running Windows XP failed, because you didn'tb "update" the driver of both listed Intel IDE Controllers (2-ports and 4-port ones).
You have to update them both, because after the switch to AHCI both Controllers have to run in AHCI mode.

#23 RE: AHCI driver dev 8c08 by smalldragor 22.10.2014 20:40

I already tried them on winxp but as i said my PC allways crashed durring instalation of this driver. I wonder if another clean install in IDE mode will work ?

#24 RE: AHCI driver for Intel H81M Chipsets by Fernando 22.10.2014 20:47

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Zitat von smalldragor im Beitrag #23
I already tried them on winxp but as i said my PC allways crashed durring instalation of this driver.
Which sort of XP installation do you mean?
If you should mean a fresh install in AHCI mode according to my guide (with integrated Intel AHCI driver), you should try to hit F5 at the beginning of the XP installation and choose a suitable ACPI setting.

Zitat
I wonder if another clean install in IDE mode will work ?

The IDE mode XP installation will work fine, but the switch to the AHCI mode is problematic.
You have to replace the SATA driver for both listed Intel ATA Controllers, before you are going to reboot and switch the SATA mode within the BIOS! Please read the EDIT text of my last post!

#25 RE: AHCI driver dev 8c08 by smalldragor 22.10.2014 20:56

Zitat
Maybe your previous tries to switch the SATA mode while running Windows XP failed, because you didn'tb "update" the driver of both listed Intel IDE Controllers (2-ports and 4-port ones).
You have to update them both, because after the switch to AHCI both Controllers have to run in AHCI mode.



I will try a clean winxp install in IDE mode and then i will replace both AHCI drivers. Hope this time it will work.

EDIT:

After a clean winxp install i updated the motherboar drivers and then i tried to replace the AHCI drivers. Well i was only able to replace the drivers for port 4. Every time i try to replace the driver for port 2 my PC crashes.

#26 RE: AHCI driver dev 8c08 by plutomaniac 23.10.2014 01:22

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Zitat von Fernando im Beitrag #18
If the mainboard doesn't work with RST drivers, I doubt, that it will support AHCI at all.

Who knows, maybe on the lowest-end chipsets that's how it's done. My best guess would be that the RST drivers are not compatible with that chipset/ahci device. There has to be a reason why Intel reports no RST support in AHCI mode for the H81 chipset. The "working" modded driver under Windows 7 may not have been really stable.

#27 RE: AHCI driver dev 8c08 by smalldragor 23.10.2014 01:39

Zitat von plutomaniac im Beitrag #26
Zitat von Fernando im Beitrag #18
If the mainboard doesn't work with RST drivers, I doubt, that it will support AHCI at all.

Who knows, maybe on the lowest-end chipsets that's how it's done. My best guess would be that the RST drivers are not compatible with that chipset/ahci device. There has to be a reason why Intel reports no RST support in AHCI mode for the H81 chipset. The "working" modded driver under Windows 7 may not have been really stable.


Well acording to my instalation (win7 installation in AHCI mode) there are AHCI drivers for win7 in motherboard drivers which i replaced with modded drivers by Fernando.

I run two 3DMark2003 tests. The results were similar and everything worked as it should so for win7 x64 they should be stable.

WinXP x86 is a different mather. I just do not know why windows keeps crashing on me durring AHCI driver installation in IDE mode from device manager.

#28 RE: AHCI driver dev 8c08 by plutomaniac 23.10.2014 02:36

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3DMark is a graphics benchmark, not really relevant. Anyway, I saw a person from Asus at another forum saying:

"H81 chipsets though you cannot use IRST, you can still utilize the Microsoft integrated AHCI driver to deliver the full performance of your SSD."

RST (as a separate SATA driver) is not supported for H81 and Windows XP does not include a MS generic AHCI driver. Also, the H81 is a late-2013 Haswell chipset. Truth be told, even you succeeded in installing AHCI drivers at Windows XP they wouldn't really work. The very old v11 RST drivers were not made for such newer hardware and would probably fail to cooperate with the v12.7.0.1936 oROM that your motherboard's latest BIOS include.

It looks like a dead-end to me but if you find anything post it here.

#29 RE: AHCI driver for Intel H81M Chipsets by Fernando 23.10.2014 10:31

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Zitat von smalldragor im Beitrag #27
WinXP x86 is a different mather. I just do not know why windows keeps crashing on me durring AHCI driver installation in IDE mode from device manager.
If you want to find it out, you may do the following:
1. Make sure, that your system drive is connected with the first SATA3 port (usually named port0), and unplug all other SATA devices except the CD/DVD ROM device (if possible, connect it to a non-Intel SATA port).
2. Enter the BIOS and disable all Intel SATA ports except the one, where your system drive is connected.
3. Install Windows XP in IDE mode.
4. Once the OS is up, run the XP Device Manager and look into the "IDE ATA/ATAPI Controllers" section. There should only 1 SATA Controller (probably named "Standard Dual Channel PCI IDE Controller") been listed.
5. "Update" the driver software of that SATA Controller by forcing the installation of my "Universally modded" 32bit RST driver v11.2.0.1006.
6. While rebooting change the SATA Controller setting from "IDE" to "AHCI" and reboot again.

#30 RE: AHCI driver dev 8c08 by Aaron A. 06.08.2015 18:30

Hello !
Greetings from Malaysia.

I know this is quite an old post but i want to share how i managed to install SATA AHCI driver on window XP for this particular motherboard (MSI H81M-P33).

My windows XP is ported from a old PC, running IDE mode previously. So i booted XP in IDE mode with the MSI H81M-P33 mobo (not fresh install) and in my device manager listed Primary IDE Controller. So i install a Intel 8 Series driver for XP from here http://www.driverscape.com/manufacturers...s/h81-d3/107309 .After installing, it listed now as 8C08 and 8C00, just like the pic you showed.

The way to make it work is to update the 8C00 driver to 8C02 (added by fernando from RST 32bit pack). It will install properly and prompt a restart.
The key here is to restart and DO NOT update the drivers for 8C08 because it will cause the mobo to crash and reboot. After clicking Restart, got back to BIOS and change back to ACHI mode.

And voila !! it will boot into XP. After entering XP for the first time the "New Found Hardware" notice pops out for the new 8C02 hardware, XP will frezee but still can move the mouse cursor. Being the impatient guy i am, i did three times hard reset with 10min interval (in case it was installing at the background). On my 4th boot, it never freezed again. I check at device manager, Intel 8 Series was not listed, so i just proceed to use Snappy Driver Installer to install all the remaining drivers. and I noticed SATA AHCI 8C02 driver by fernando is listed and select to install. So i just proceed with the installation.

Now i can say that its running good. Havent tested with any games or heavy load software yet cuz i spent 7 hours searching and trying all possible ways and its midnight here. hahaha
And also thanks to Fernando for the modded rst files. Works good.

Sorry for any bad english.
I attached a pic to show u after i install the ahci driver. Hope it is clear. Thanks guys.

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