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i90HD: Post install IDE->AHCI possible?

O

obvious

n00b
Joined
Jun 23, 2005
Messages
21
Under Vista32 I'm trying to enable AHCI (post install) on my i90HD just for kicks really.

I saw a guide over at http://forum.msi.com.tw/index.php?topic=106575.0 but tbh am not sure if any of it could be MSI specific. Tried it and just got a stop error on boot translating as "inaccessible boot device"

Just wondering if anyone else has had any luck?
 
I haven't intstalled Vista32 with AHCI yet,
but with XP, you need a floppy disk. (you can make it from the driver CD)
and it seems working fine.
 
yes it is possible, I've made an .reg for WinXP to do this, and I think it can be used on Vista.

1.Set SATA to Native IDE(default setting) in BIOS
2.Install Windows XP (ignore this if your OS is already
installed)
3.put ahci8086.cat and ahci8086.inf into %systemroot%\inf\
(ex:C:\windows\inf\)
4.put ahci8086.sys into %systemroot%\system32\drivers\
(for x64, the .sys,.inf,.cat file have different name)
5.import the attached .reg file
6. reboot, and set SATA to ACHI in BIOS.
7. boot into Windows XP, no more BSOD
8. follow the Wizard and fully install the driver, you will see ATI
Compatible RAID Controller in Device Manager
9. Happy using SATA 2 NCQ HDD with AHCI without any "F6" or floppy
10. End...

the .reg file is here :http://neoswatty.myweb.hinet.net/ATI_AHCI.reg.
 
Thanks! Just one question though. Where are you downloading from? I'm only seeing ati_raid_v100.zip from the abit site which contains ahcix86.cat, inf and sys

I didn't find anything at ati.amd.com

wondering if I should edit your reg file and replace all ahci8086 with ahcix86 or if I'd be better off with the driver you found.
 
7-4-igp_xp_dd_ccc_wdm_sb_gart_enu_44981.exe

This is what I downloaded from ATI site, it's a full package, or you can download SouthBridge Driver only.

It will self extract to your Driver C, you can find AHCI dirver under C:\ATI\SUPPORT\7-4-igp_xp_dd_ccc_wdm_sb_gart_enu_44981\SBDrv\RAID

ahci8086 is not indicating the driver file name, it is the "service" name, so I thinkg replace them will make the instal fail.
I've also check the x64 driver, and it seems use the same "ahci8086" for service name.
 
Thanks again. Interesting that the Vista32-64 SB package 7-4_vista32-64_sb_44985.exe has two sub folders under the raid folder LH and LH64A that are identical apart from the MSI installer:-

Code: 
Directory of C:\ATI\SUPPORT\7-4_vista32-64_sb_44985\Packages\Drivers\SBDrv\SB6xx\RAID\LH
20/01/2007  07:50            17,858 ahcix64s.cat
03/01/2007  15:36             6,661 ahcix64s.inf
09/04/2007  15:48            71,680 ahcix64s.msi
03/01/2007  16:18           138,648 ahcix64s.sys

Directory of C:\ATI\SUPPORT\7-4_vista32-64_sb_44985\Packages\Drivers\SBDrv\SB6xx\RAID\LH64A
20/01/2007  07:50            17,858 ahcix64s.cat
03/01/2007  15:36             6,661 ahcix64s.inf
09/04/2007  15:57            71,680 ahcix64s.msi
03/01/2007  16:18           138,648 ahcix64s.sys
 
Tried it anyway with your reg file + Vista drivers and got a Stop: 0X0000007B bluescreen.

Will take another look after some sleep it's 03:38 here. It'll probably work just fine with the XP drivers.
 
Sorry I didn't try on Vista, may be you can check the inf file first.
The concept of the .reg file is to add an class and pci vender id, so that the OS can reconize the AHCI controller. You may compare the .inf from vista driver and XP driver to see the difference. Sorry I can't check them now.
 
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