https://devzone.nordicsemi.com/f/nordic-q-a/60437/gcc-ram-length-problem-for-51822-qfacI&#39;m using 51822 QFAC, SDK11 S130 2.0.0, and GCC to make the files. In the configuration .ld file, I put FLASH ORIGIN = 0x1b000, LENGTH = 0x25000. RAM ORIGIN = 0x20002800. From my understanding, I have 32K RAM to use, so the max RAM length will been-USTelligent Community 13Tue, 21 Apr 2020 00:20:51 GMThttps://devzone.nordicsemi.com/thread/245678?ContentTypeID=1Tue, 21 Apr 2020 00:20:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:824e709e-e886-461f-a853-267d140e2c6csonnyz<p>Got it, thanks a lot!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/245677?ContentTypeID=1Mon, 20 Apr 2020 23:28:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:50be8249-ff41-4b56-b9aa-abf2dab61f90Turbo J[quote userid="17294" url="~/f/nordic-q-a/60437/gcc-ram-length-problem-for-51822-qfac"]RAM ORIGIN =&nbsp;0x20002800.[/quote][quote userid="17294" url="~/f/nordic-q-a/60437/gcc-ram-length-problem-for-51822-qfac"]max RAM length will be 0x7D00. [/quote] <p>Nope. 0x8000 - 0x2800 = 0x5800. You have 32k minus the RAM that is reserved for softdevice (in RAM ORIGIN). </p><div style="clear:both;"></div>