# \#cc9p9215

**URL:** https://forums.digi.com/tag/cc9p9215/1380.md

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## [CC9P9215 - System failure LED blink pattern documentation](https://forums.digi.com/t/cc9p9215-system-failure-led-blink-pattern-documentation/18066)

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**Author:** [@floko](https://forums.digi.com/u/floko)\
**Replies:** 2\
**Last updated:** [February 27, 2017, 8:38am UTC](https://forums.digi.com/t/cc9p9215-system-failure-led-blink-pattern-documentation/18066 "2017-02-27T08:38:22Z")

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I have some CC9P9215 which are not booting. The orange and green LED are blinking alternately. In the manuals the only part where the LEDs are mentioned is in the Hardware reference: \[…\] During startup, LE1 will flash …

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## [SDRAM Battery Backup on the 9P 9215?](https://forums.digi.com/t/sdram-battery-backup-on-the-9p-9215/17774)

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**Author:** [@phudson](https://forums.digi.com/u/phudson)\
**Replies:** 1\
**Last updated:** [December 14, 2016, 7:10am UTC](https://forums.digi.com/t/sdram-battery-backup-on-the-9p-9215/17774 "2016-12-14T07:10:15Z")

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Are there provisions for providing battery backup to the SDRAM on the 9P 9215? Thanks

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## [new software make old software not running](https://forums.digi.com/t/new-software-make-old-software-not-running/16540)

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**Author:** [@SebB](https://forums.digi.com/u/SebB)\
**Replies:** 1\
**Last updated:** [April 6, 2016, 9:46am UTC](https://forums.digi.com/t/new-software-make-old-software-not-running/16540 "2016-04-06T09:46:45Z")

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Hello, On a CC9P9215, I’m running a software using NET+OS 7.5. When I buy a new CC9P9215, I can load my software version 1 and it is running fine. Software version 1 has been designed years ago. Then I can load a newe…

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## [cross compiling for cc9p9215](https://forums.digi.com/t/cross-compiling-for-cc9p9215/15152)

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**Author:** [@digiDave](https://forums.digi.com/u/digiDave)\
**Replies:** 4\
**Last updated:** [July 29, 2015, 1:54pm UTC](https://forums.digi.com/t/cross-compiling-for-cc9p9215/15152 "2015-07-29T13:54:51Z")

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When trying to cross compile Precision Time Protocol (PTP) for the 9p9215 I receive several error messages on make, dep/ntpengine/ntp\_isc\_md5.c: In function ‘isc\_md5\_invalidate’: dep/ntpengine/ntp\_isc\_md5.c:70: warning…

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## [cc9p9215 not booting](https://forums.digi.com/t/cc9p9215-not-booting/13058)

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**Author:** [@digiDave](https://forums.digi.com/u/digiDave)\
**Replies:** 8\
**Last updated:** [June 4, 2014, 10:19am UTC](https://forums.digi.com/t/cc9p9215-not-booting/13058 "2014-06-04T10:19:31Z")

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Have now purchase 2 x cc9p9215 modules from Digikey and neither seems to boot. I’m guessing I have to add a boot loader, but how? I’m using embedded Linux…