topic Re: imx6ul eval kit - wrong ram size and cpu clock in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/imx6ul-eval-kit-wrong-ram-size-and-cpu-clock/m-p/566036#M87269 <HTML><HEAD></HEAD><BODY><P>Hi Mehmet,</P><P>Welcome to the Community!</P><P></P><P>On Table 1 of the <A href="http://www.nxp.com/files/32bit/doc/user_guide/IMX6ULEVKHUG.pdf">i.MX 6UltraLite EVK Board Hardware User’s Guide</A> is indicated that DRAM Memory is Micron 4Gb DDR3L SDRAM (4 Gb which means 512 MB).</P><P></P><P>Regarding operating frequency, the i.MX6UL family can run up to 696 MHz, but it depends of the family member. In case on the processor included on the EVK (MCIMX6G2CVM05AA), it could run up to 528 MHz, but the boot frequency is limited by Uboot. You could refer to the following thread if you want to operate the processor on its maximum frequency:</P><P><A href="https://community.nxp.com/thread/384261">How to set imx6UL CPU to 528MHz in U-boot</A></P><P></P><P>Hope this will be useful for you.<BR />Best regards!<BR />/Carlos<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 03 Aug 2016 20:26:15 GMT CarlosCasillas 2016-08-03T20:26:15Z imx6ul eval kit - wrong ram size and cpu clock https://community.nxp.com/t5/i-MX-Processors/imx6ul-eval-kit-wrong-ram-size-and-cpu-clock/m-p/566035#M87268 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>I have the MCIMX6UL eval kit and it suppose to have 4GB RAM and&nbsp; 696 MHz Cortex-A7 core.</P><P></P><P>However I cant verify it. It says 396MHz and DRAM is 512MiB</P><P></P><P></P><P></P><P>Please see the u-boot output below:</P><P></P><P></P><P>U-Boot 2015.04-imx_v2015.04_4.1.15_1.0.0_ga+gd7d7c43 (Apr 01 2016 - 10:00:09)</P><P>CPU:&nbsp;&nbsp; Freescale i.MX6UL rev1.0 at 396 MHz</P><P>CPU:&nbsp;&nbsp; Temperature 42 C</P><P>Reset cause: POR</P><P>Board: MX6UL 14x14 EVK</P><P>I2C:&nbsp;&nbsp; ready</P><P>DRAM:&nbsp; 512 MiB</P><P>MMC:&nbsp;&nbsp; FSL_SDHC: 0, FSL_SDHC: 1</P><P>*** Warning - bad CRC, using default environment</P><P></P><P>Display: TFT43AB (480x272)</P><P>Video: 480x272x24</P><P>In:&nbsp;&nbsp;&nbsp; serial</P><P>Out:&nbsp;&nbsp; serial</P><P>Err:&nbsp;&nbsp; serial</P><P>switch to partitions #0, OK</P><P>mmc1 is current device</P><P>Net:&nbsp;&nbsp; FEC1</P><P>Normal Boot</P><P>Hit any key to stop autoboot:&nbsp; 0</P><P></P><P>and this is the result for cat /proc/meminfo command:</P><P></P><P>root@imx6ul7d:~# cat /proc/meminfo</P><P>MemTotal:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 507264 kB</P><P>MemFree:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 398448 kB</P><P>MemAvailable:&nbsp;&nbsp;&nbsp;&nbsp; 383452 kB</P><P>Buffers:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5704 kB</P><P>Cached:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 37504 kB</P><P>SwapCached:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>Active:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 35136 kB</P><P>Inactive:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 24892 kB</P><P>Active(anon):&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 16948 kB</P><P>Inactive(anon):&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 856 kB</P><P>Active(file):&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 18188 kB</P><P>Inactive(file):&nbsp;&nbsp;&nbsp; 24036 kB</P><P>Unevictable:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>Mlocked:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>HighTotal:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>HighFree:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>LowTotal:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 507264 kB</P><P>LowFree:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 398448 kB</P><P>SwapTotal:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>SwapFree:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>Dirty:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>Writeback:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>AnonPages:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 16816 kB</P><P>Mapped:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 26832 kB</P><P>Shmem:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 988 kB</P><P>Slab:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 9100 kB</P><P>SReclaimable:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3296 kB</P><P>SUnreclaim:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5804 kB</P><P>KernelStack:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1144 kB</P><P>PageTables:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1040 kB</P><P>NFS_Unstable:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>Bounce:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>WritebackTmp:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 kB</P><P>CommitLimit:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 253632 kB</P><P>Committed_AS:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 73052 kB</P><P>VmallocTotal:&nbsp;&nbsp;&nbsp; 1548288 kB</P><P>VmallocUsed:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4016 kB</P><P>VmallocChunk:&nbsp;&nbsp;&nbsp; 1367912 kB</P><P>CmaTotal:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 327680 kB</P><P>CmaFree:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 293840 kB</P></BODY></HTML> Wed, 03 Aug 2016 15:11:48 GMT https://community.nxp.com/t5/i-MX-Processors/imx6ul-eval-kit-wrong-ram-size-and-cpu-clock/m-p/566035#M87268 freewill78 2016-08-03T15:11:48Z Re: imx6ul eval kit - wrong ram size and cpu clock https://community.nxp.com/t5/i-MX-Processors/imx6ul-eval-kit-wrong-ram-size-and-cpu-clock/m-p/566036#M87269 <HTML><HEAD></HEAD><BODY><P>Hi Mehmet,</P><P>Welcome to the Community!</P><P></P><P>On Table 1 of the <A href="http://www.nxp.com/files/32bit/doc/user_guide/IMX6ULEVKHUG.pdf">i.MX 6UltraLite EVK Board Hardware User’s Guide</A> is indicated that DRAM Memory is Micron 4Gb DDR3L SDRAM (4 Gb which means 512 MB).</P><P></P><P>Regarding operating frequency, the i.MX6UL family can run up to 696 MHz, but it depends of the family member. In case on the processor included on the EVK (MCIMX6G2CVM05AA), it could run up to 528 MHz, but the boot frequency is limited by Uboot. You could refer to the following thread if you want to operate the processor on its maximum frequency:</P><P><A href="https://community.nxp.com/thread/384261">How to set imx6UL CPU to 528MHz in U-boot</A></P><P></P><P>Hope this will be useful for you.<BR />Best regards!<BR />/Carlos<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 03 Aug 2016 20:26:15 GMT https://community.nxp.com/t5/i-MX-Processors/imx6ul-eval-kit-wrong-ram-size-and-cpu-clock/m-p/566036#M87269 CarlosCasillas 2016-08-03T20:26:15Z Re: imx6ul eval kit - wrong ram size and cpu clock https://community.nxp.com/t5/i-MX-Processors/imx6ul-eval-kit-wrong-ram-size-and-cpu-clock/m-p/566037#M87270 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Page 4 of the <A href="https://www.nxp.com/webapp/sps/download/preDownload.jsp?render=true">Quick Start Guide</A>&nbsp;suggests 4G<SPAN style="color: #ff0000;"><STRONG>B</STRONG></SPAN> of RAM. So it seems to be wrong.</P><P></P><P>Thanks for the explanation.</P><P></P><P>Moises</P></BODY></HTML> Tue, 09 Apr 2019 14:18:51 GMT https://community.nxp.com/t5/i-MX-Processors/imx6ul-eval-kit-wrong-ram-size-and-cpu-clock/m-p/566037#M87270 j_araya 2019-04-09T14:18:51Z