E>
  TOLERANCES tight
</PRE>

<P>
This option sets all tolerances to their
default/user specified values at the very first iteration.

<P>

<H1><A NAME="SECTION0013110000000000000000">
11.11 <TT>DIRECT</TT> and <TT>NOIO</TT> -- Hardware Resource Control</A>
</H1>
<PRE>
  DIRECT||INCORE
  NOIO
</PRE>

<P>

<P>
The inverted charge-density and exchange-correlation matrices
for a DFT calculation are normally written to disk storage.  The user
can prevent this by specifying the keyword <code>noio</code> within t