Cannot find bluetooth-device in 51822QFAA

Cannot find bluetooth-device in 51822QFAAhttps://devzone.nordicsemi.com/f/nordic-q-a/31086/cannot-find-bluetooth-device-in-51822qfaaBefore I use 51822QFAC(with 32K RAM)， add I must use 51822QFAA(with 16K RAM)。 I have modify IRAM area，like this IRAM: 0x20001FE8 0x2018. and selete device is 51822QFAA in keil/porject/option/device. now my code can run ok in 51822QFAC, but cannoten-USTelligent Community 13Mon, 05 Mar 2018 13:53:21 GMTRE: Cannot find bluetooth-device in 51822QFAAhttps://devzone.nordicsemi.com/thread/122840?ContentTypeID=1Mon, 05 Mar 2018 13:53:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c781a7ed-7b53-448e-a317-f785c67f6f4cFormerMember<p>The board with the nRF51822QFAA chip, is that a custom board? </p> <p>If so, could you verify that the LFCLK clock source set  in the application code matches LFCLK clock source available on your board? The examples in the SDK does for example use the LF crystal by default. </p><div style="clear:both;"></div>