# lwIP Rowley demo on SAM7X **URL:** \ **Category:** Kernel\ **Created:** [June 19, 2006, 6:02pm UTC](https://forums.freertos.org/t/lwip-rowley-demo-on-sam7x/2965 "2006-06-19T18:02:03Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\ **Post date:** [June 19, 2006, 6:02pm UTC](https://forums.freertos.org/t/lwip-rowley-demo-on-sam7x/2965/1 "2006-06-19T18:02:03Z")
**nobody** wrote on [Monday, June 19, 2006](https://sourceforge.net/p/freertos/discussion/382005/thread/8090750c/#4ec8): I can’t even seem to set this demo loaded, keep getting “loader verify failed”. I’m using Crossstudio 1.6 with a IAR jlink jtag (Seggar I think)and a brand new AT91SAM7X256-EK. I’ve used other programs written with crossworks and they all load & debug well using their CTL. I’m sure its a simple setup issue, anyone point me in the right direction please. ---
**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\ **Post date:** [June 19, 2006, 6:13pm UTC](https://forums.freertos.org/t/lwip-rowley-demo-on-sam7x/2965/2 "2006-06-19T18:13:38Z")
**nobody** wrote on [Monday, June 19, 2006](https://sourceforge.net/p/freertos/discussion/382005/thread/8090750c/#4ec8/1f2c): I have only used a CrossConnect on the SAM7 so cannot answer directly.  Have you compared the j-link settings between the project that does work and the project that does not? 1/ Open a project that you can get working on the SAM7 using a j-link. 2/ Select Targets from the Target menu in CrossStudio. 3/ Right click on the Segger j-link entry in the targets pain the opens, then select properties from the pop up menu. 4/ Note down the settings that are displayed. 5/ Open up the lwIP demo and do the same to check that the settings are the same in this project also. Failing that, try the Rowley tech support.  I have found them to resolve problems quickly. ---
**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\ **Post date:** [June 23, 2006, 8:13pm UTC](https://forums.freertos.org/t/lwip-rowley-demo-on-sam7x/2965/3 "2006-06-23T20:13:57Z")
**nobody** wrote on [Friday, June 23, 2006](https://sourceforge.net/p/freertos/discussion/382005/thread/8090750c/#4ec8/c591): Try setting the "speed" property of the j-link from 0 to 1000 or so. ---
**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\ **Post date:** [July 14, 2006, 5:37pm UTC](https://forums.freertos.org/t/lwip-rowley-demo-on-sam7x/2965/4 "2006-07-14T17:37:10Z")
**[dmwilliams66](https://sourceforge.net/u/dmwilliams66/)** wrote on [Friday, July 14, 2006](https://sourceforge.net/p/freertos/discussion/382005/thread/8090750c/#4ec8/32da): I have noticed with the newer Sam7X’s that the Rowley tools do report a verify failure after programming.  If you do a memory compare, however, everything seems to be OK. ---
**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\ **Post date:** [July 17, 2006, 6:53pm UTC](https://forums.freertos.org/t/lwip-rowley-demo-on-sam7x/2965/5 "2006-07-17T18:53:16Z")
**nobody** wrote on [Monday, July 17, 2006](https://sourceforge.net/p/freertos/discussion/382005/thread/8090750c/#4ec8/ebb9): I had this problem too. Make sure that you have explicitly loaded support for the AT91SAM7X256-EK into CrossWorks. You can find the relevant file at: [http://www.rowleydownload.co.uk/arm/packages/index.htm?http://www.rowleydownload.co.uk/arm/packages/Atmel\_AT91SAM7S\_AT91SAM7X\_AT91SAM7A3.htm](http://www.rowleydownload.co.uk/arm/packages/index.htm?http://www.rowleydownload.co.uk/arm/packages/Atmel_AT91SAM7S_AT91SAM7X_AT91SAM7A3.htm) ---
**Author:** ![system](https://d2v6vdsk2p900z.cloudfront.net/original/1X/7fc8fdb729c645aab5b20282bbe34e57cb407be6.jpeg) [@system](https://forums.freertos.org/u/system)\ **Post date:** [July 19, 2006, 5:50pm UTC](https://forums.freertos.org/t/lwip-rowley-demo-on-sam7x/2965/6 "2006-07-19T17:50:17Z")
**nobody** wrote on [Wednesday, July 19, 2006](https://sourceforge.net/p/freertos/discussion/382005/thread/8090750c/#4ec8/1d7e): Download build 3 of version 1.6 (CrossWorks).  Seems better.