I believe "show valence=on,your_selection" will do the trick. Where your_selection is the ligand or whatever you want to display.
 
Good luck
 
    Carsten
-----Original Message-----
From: pymol-users-bounces@lists.sourceforge.net [mailto:pymol-users-bounces@lists.sourceforge.net]On Behalf Of Piter_
Sent: Monday, July 14, 2008 3:28 AM
To: pymol-users@lists.sourceforge.net
Subject: [PyMOL] How to disable automatic atom connection?

Hi all.
How can I disable automatic atom connection in pymol.
I want Pymol to make bonds only using connect field in pdb file.
Thanks.
Petro.