@ suicid3: It is a pity, that Windows Setup doesn't allow you to load the correct and WHQL certified Intel AHCI driver. You wouldn't even need to load/install any Intel AHCI driver, if the generic Win MS AHCI driver named STORAHCI. SYS would support your old Intel SATA AHCI Controller, but it doesn't. So I see only the following option to get your HP system running Win8.1 in AHCI mode: Enter the BIOS and set the Intel SATA Controller to IDE. Install Windows 8.1 (no separate driver needed). Once the OS is up and running, open the IDE ATA/ ATAPI Controllers section of the Device Manager. Right click onto the listed Standard AHCI Controller and choose the options Update driver software > Browse my computer. > Let me pick. Hit the Have Disk button and navigate to the driver I have attached for you. Hit the file ia AHCI.inf and choose Intel( R) ESB2 SATA AHCI Controller. Ignore all warnings and let the OS install the driver. Reboot and enter at once the BIOS. Set the Intel SATA Controller to AHCI and store this BIOS setting. After the next reboot you hopefully will boot into Windows 8.1 running in AHCI mode. Good luck! My current System: Mainboard: ASRock Z97 Extreme6, Disks: 512 GB Samsung 840 Pro SSD + 2 TB Seagate SATA3 HDD running in AHCI mode, Graphics: Intel HD4600, RAM: 4x4 GB G. Skill Ripjaws Z DDR3-1600 @ 1600 Mhz, OS: Windows 8.1 Pro x64.
Package Win ZIP Self-extracting ZIP file runs SETUP when extraction is complete. Can also be un ZIPped using PKUn Zip 2.04g or equivalent. See README file for installation/usage instructions. Description Detailed Instructions for installing the Intel( R) Matrix Storage Manager Driver on a fresh hard drive = 1. Copy the contents of this archive onto a floppy disk, CD, DVD, or USB flash drive onto the root. 2. Insert your Microsoft Windows XP Bootable CD and your floppy disk or USB flash drive. ( If you haev a CD or DVD, you will have to insert after step 6 below) 3. Power on your computer and press F12 to display the boot menu. 4. Choose the option to boot from the CD/ DVD drive. 5. For Windows XP or later operating systems: - At the beginning of the operating system installation, press F6 to install a third party SCSI or RAID driver. - When prompted, select ' S' to Specify Additional Device. - Continue to step 7. 6. For Windows Vista: - During the operating system installation, after selecting the location to install Vista, click Load Driver to install a third party SCSI or RAID driver. 7. When prompted, insert the media (floppy, CD/ DVD or USB) you created in step 2 and press Enter. 8. At this point you should be presented with a selection for one of the following depending on your hardware version and configuration: - Intel( R) 82801 IR/ IO SATA RAID Controller ( Desktop ICH9 R) - Intel( R) 82801 IR/ IO SATA AHCI Controller ( Desktop ICH9 R) - Intel( R) 82801 HEM SATA RAID Controller ( Mobile ICH8 M- E) - Intel( R) 82801 HEM SATA AHCI Controller ( Mobile ICH8 M- E) - Intel( R) 82801 HBM SATA AHCI Controller ( Mobile ICH8 M) - Intel( R) 82801 HR/ HH/ HO SATA RAID Controller ( Desktop ICH8 R) - Intel( R) 82801 HR/ HH/ HO SATA AHCI Controller ( Desktop ICH8 R) - Intel( R) 631x ESB/632x ESB SATA RAID Controller ( Workstation ESB2) - Intel( R) 82801 GHM SATA RAID.
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