Invoke-CMDownloadBiosPackage.ps1 
-URI "http://mastermind.ad.cs.wisc.edu/ConfigMgrWebService/ConfigMgr.asmx" 
-SecretKey "1412eb1d-5fdd-46b5-9546-9f0828d8c581" 
-Filter "BIOS" -DeploymentType BIOSUpdate

Invoke-DellBIOSUpdate.ps1
-Password "wihos2" -Path "%OSDBIOSPackage01%"