![mmtool aptio 4.50.0023 tweaktown mmtool aptio 4.50.0023 tweaktown](https://www.overclockers.ua/news/motherboard/111769-sm-z87-mobo-4.jpg)
Advice for users with a non-RAID system: Users, who are running their SATA Controllers in AHCI or IDE mode, should check the function of the freshly updated RAID ROM module the same way.Zero Trust security is essential for protecting an organization’s infrastructure and business critical data in today’s digital transformation. Everything will be fine, if you can enter and use the RAID Configuration Utility without any problem (Don't modify anything, if you don't want it to be changed!). If you have inserted a new RAID ROM version into the BIOS, you have to make sure, that the 'RAID' mode of the on-board SATA Controller is enabled, and then you should run the RAID Configuration Utility by hitting CTRL+I, F10 or similar (look into your mainboard manual).
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Before you restart with your usual PC work, you should verify the full function of the updated PCI ROM module.
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If you have updated the Marvell 91xx AHCI/RAID ROM module, set the Marvell Firmware mode to 'Force', then save/apply/reboot and let it load through to windows, before that happens Marvell Firmware will update and board will reboot.
![mmtool aptio 4.50.0023 tweaktown mmtool aptio 4.50.0023 tweaktown](https://skyeymission.weebly.com/uploads/1/2/3/8/123897100/975911524.jpg)
Once in the BIOS again recover the previous boot settings (boot device and HDD boot order). Then turn on, boot to BIOS, load optimized, set the SATA Controller to the appropriate mode (AHCI/RAID) and save/apply/reboot back to the BIOS. This is what you should see, if your system has an Intel ICH8R, ICH9R, ICH10R, 5-Series or 6-Series chipset and you want to update the related Intel RAID ROM version: Note: The 'For Option ROM only' section only shows the VendorID and DeviceID of the RAID ROM Modul, which has been inserted by the manufacturer of the original AMI UEFI mainboard BIOS file. Hit the 'Browse' button and navigate to the Option ROM module (named xxxx.BIN) you want to get inserted and double-click onto it. Go to the 'For Option ROM only' section, check the 'Link Present' option and scroll down to the correct VendorID (8086 = Intel) and DeviceID (Example: 2822 = 'Intel(R) Desktop/Workstation/Server Express Chipset SATA RAID Controller') of your on-board RAID Controller. Highlight the line containing the Option ROM module you want to replace (it is usually the line with the CSMCORE file).
![mmtool aptio 4.50.0023 tweaktown mmtool aptio 4.50.0023 tweaktown](https://cardiy7.com/wp-content/uploads/2020/02/Setup_part002.png)
Open the BIOS file and hit the 'Replace' tab of the Aptio MMTool. This is the procedure regarding the replacement of an Option ROM module. As a consequence an extracted PCI ROM file usually can be inserted into each mainboard BIOS, which already contains the same sort of PCI ROM module. Each PCI ROM module version, which has been delivered from the Controller chip vendor to the mainboard manufacturers, is identical and not dependent on the BIOS structure (AMI/Phoenix/Award) the mainboard manufacturer is using. Although the BIOS files are developed and published by the mainboard manufacturer, the inserted PCI ROM modules were made by the vendor of the related on-board Controller chips. Nevertheless it is possible to extract any PCI ROM module and to replaced it by another version, because the entire mainboard BIOS file has a modular structure. The PCI ROM modules are within the mainboard BIOS file and only visible by opening the BIOS file with a special tool like MMTool or CBROM. That is the reason why users with an AHCI (non-RAID) system will not benefit from an update of the RAID ROM version. The Intel SATA AHCI Controller of the mainboard is not supported at all by the RAID ROM module.