I recently reinstalled Windows 10 on an older OEM X370 system. Installing the AMD chipset drivers got everything installed except for one “Unknown Device.”
Looking at the hardware IDs I got something different from the usual PCIe device ID.
ACPI\VEN_CYP&DEV_0002 ACPI\CYP0002 *CYP0002
Some detective work led me to this driver page:
https://www.dell.com/support/home/en-do/drivers/driversdetails?driverid=cyp25
Anybody know what the heck this thing actually does?
If I had to guess (and this is just from old memory), the USB connections that were marketed as if they were direct to CPU, actually used a discrete controller IC; I think many used an Asmedia IC. Maybe this OEM went for some oddball IC for price/availability or other reasons. Possible the drivers would work if they were set up to install for that device ID, a clone IC, or maybe there’s a considerable difference that actually matters.
This topic was automatically closed 273 days after the last reply. New replies are no longer allowed.
