My Timesheet (Version 1) & Approve Timesheets (Version 1) and HR

Hi there,

My Fiori Landscape is below :

Front-End System
"SAP NetWeaver 7.40 SP 08
(SAP NetWeaver Gateway 2.0 SP 09)" 

Back-End System
"SAP ERP 6.0 Ehp 05 SP 06
(SAP NetWeaver 7.02 SP 09)"

I have installed “SAP Fiori Principal Apps for SAP ERP 1.0”.

I wish to use the HCM apps that are included there, but I have a doubt about HCM.  I was under the impression that “HCM” really meant the “HR” Modules I have loaded on my ERP System.

Do I need something other than the EA-HR and SAP_HR Components to use "My Timesheet (Version 1)" & "Approve Timesheets (Version 1)" ?

The "My Timesheet (Version 1)" App is visible to me and it is connecting with the Backend System.  I can confirm that because some of the drop down fields are pulling valid values in them.

I am assuming there is just some more configuration I need to do on the Backend, but I didn't think I needed to install"HCM" outside of the "HR" Modules I already have.

Thanks