  . = . + 64K;
     . = ALIGN(8);
   } &gt;RAM_D1 AT&gt; RAM_D1</code></pre>
place in RAM_region { last section FREE_MEM };</li>
</ul>
<h4 id="netx-duo-usage-hints"><b>NetX Duo usage hints</b></h4>
<ul>
<li>Depending on the application scenario, the total TX and RX
descriptors may need to be increased by updating respectively the
“ETH_TX_DESC_CNT” and “ETH_RX_DESC_CNT” in the “stm32n6xx_hal_conf.h”,
to guarantee the application correct behaviour, but this will cost extra
memory to allocate.</li>