Here are the same data pulled from SCCM
BIOS Version
A23
A08
Here are the same data pulled from SCCM
BIOS Version
A23
A08
There are many different ways to get this info, but not all of them work equally well on all platforms.
Try this: (Windows&Linux)
unique values of (it as string as trimmed string) of values "bios_version" of structures "bios_information" of smbioses
OR: (Windows Only)
unique values of string values of selects "SMBIOSBIOSVersion FROM Win32_BIOS" of wmis
Genenally SMBIOS will be faster than WMI.