#Script to get bios version of esxi host VMs by Peter Hynes
#Version 1.0
#Created on the 11/04/2018
#Connect to the vCenter or vcenters and Run within PowerCLI
#You will need to create a txt file called clusters.txt and place it in the same folder as this script. Put the list of clusters you want to pull info from in to this txt file.

$clusters = get-content .\clusters.txt


ForEach($cluster in $clusters){
    get-cluster $cluster | Get-VMHost | Get-VMHostHardware | select VMHost, @{N="Cluster";E={$cluster}}, Manufacturer, Model, BiosVersion | Export-Csv -Append -Path .\ClusterBios.csv -NoTypeInformation
}