# Does M4 of the Portenta H7 have access to the serial monitor?

**URL:** <https://forum.arduino.cc/t/does-m4-of-the-portenta-h7-have-access-to-the-serial-monitor/664966>\
**Category:** Portenta H7\
**Created:** [July 10, 2020, 10:28pm UTC](https://forum.arduino.cc/t/does-m4-of-the-portenta-h7-have-access-to-the-serial-monitor/664966 "2020-07-10T22:28:40Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![jerteach](https://dub1.discourse-cdn.com/arduino/user_avatar/forum.arduino.cc/jerteach/32/257433_2.png) [@jerteach](https://forum.arduino.cc/u/jerteach)\
**Post date:** [August 3, 2020, 5:48am UTC](https://forum.arduino.cc/t/does-m4-of-the-portenta-h7-have-access-to-the-serial-monitor/664966/7 "2020-08-03T05:48:31Z")

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Thanks TJaekel.

I got it working thanks to your examples.

[https://github.com/hpssjellis/my-examples-for-the-arduino-portentaH7/blob/master/my02-dual-core-RPC.ino](https://github.com/hpssjellis/my-examples-for-the-arduino-portentaH7/blob/master/my02-dual-core-RPC.ino)

The -fexceptions compiler option was a bit trickier than I expected. I put notes in the top of my file.

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