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Good Morning,
I have performed a "from scratch" installation of Windows 11 PRO and 3 devices drvers where missing.
I have solved for 2 of them with the driver package found on this forum but for one im unable to found the drivers.

Other Device
- PCI Device

This is the "Hardware ID"
PCI\VEN_8086&DEV_54AB&SUBSYS_00000000&REV_00
PCI\VEN_8086&DEV_54AB&SUBSYS_00000000
PCI\VEN_8086&DEV_54AB&REV_00
PCI\VEN_8086&DEV_54AB

Can someone help me or check on on AD03 what is that and how to find the relative drivers/software?
Thanks and regards

Judging by the hardware ID, it looks like it's for something called the "Intel(R) Serial IO SPI Host Controller". I do have an AD03, but I switched from Windows to Linux Mint with it, so I can't see what the driver is on mine.

In lieu of the admin or barry777, a tech for the company, posting the driver for it, you can try Driver Booster, which barry often recommends for other drivers. The free version is fine. HOWEVER, I would use it ONLY for that driver. Even if it shows updated drivers for other devices, I wouldn't update them, as sometimes drivers are specifically tailored to these units, and the driver(s) Driver Booster finds may not be exactly right for the particular device.

Also, and this is just a thought, but check to see if the driver might be showing up in your Windows Updates under the Advanced Options section. Sometimes there are extra updates there that don't show up on the main Windows Update screen.

AD03 driver download link:

Thanks for the feedback.
No luck with the zip file provided.
Driver Booster found the driver that is "Intel(R) Serial IO SPI Host Controller - 54AB".
Strange that this is not part of the AD03 drivers package.