Tcode SM51- hostname displaying in Uppercase, but we want to set as lowercase

Dear Experts,

In Tcode SM51- hostname is displaying in Uppercase, but we want to set hostname as lowercase like other sap system Development and Production. Upper case scenario is happened in QA System only. Could you please some one advise?

OS -

HP-UX B.11.31 U ia64

Thanks and Regards

Raja