# Fwdn snor write

**URL:** <https://community.topst.ai/t/fwdn-snor-write/377>\
**Category:** D3\
**Created:** [November 13, 2024, 2:52pm UTC](https://community.topst.ai/t/fwdn-snor-write/377 "2024-11-13T14:52:01Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![sc\_hw](https://avatars.discourse-cdn.com/v4/letter/s/7993a0/32.png) [@sc\_hw](https://community.topst.ai/u/sc_hw)\
**Post date:** [November 13, 2024, 2:52pm UTC](https://community.topst.ai/t/fwdn-snor-write/377/1 "2024-11-13T14:52:01Z")

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Hello. I try to write snor…  
./fwdn -w tcc803x\_snor\_boot.rom -m snor

Error, need area, append, --area die1  
not boot…

what is die1/die2?

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<div class="post-metadata">

**Author:** ![TOPST-Admin](https://yyz2.discourse-cdn.com/flex004/user_avatar/community.topst.ai/topst-admin/32/381_2.png) [@TOPST-Admin](https://community.topst.ai/u/TOPST-Admin)\
**Post date:** [November 14, 2024, 8:00am UTC](https://community.topst.ai/t/fwdn-snor-write/377/2 "2024-11-14T08:00:06Z")

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Hello.  
We are responding to your inquiry.

The rom you used seems to be the rom of the tcc803x chip. The TOPST D3 board uses the TCC805x chip. Please check it.

Thank you.

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<div class="post-metadata">

**Author:** ![sc\_hw](https://avatars.discourse-cdn.com/v4/letter/s/7993a0/32.png) [@sc\_hw](https://community.topst.ai/u/sc_hw)\
**Post date:** [March 1, 2025, 4:02pm UTC](https://community.topst.ai/t/fwdn-snor-write/377/3 "2025-03-01T16:02:44Z")

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what need jtag debugger model?

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<div class="post-metadata">

**Author:** ![TOPST-Admin](https://yyz2.discourse-cdn.com/flex004/user_avatar/community.topst.ai/topst-admin/32/381_2.png) [@TOPST-Admin](https://community.topst.ai/u/TOPST-Admin)\
**Post date:** [March 12, 2025, 2:00am UTC](https://community.topst.ai/t/fwdn-snor-write/377/4 "2025-03-12T02:00:13Z")

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We recommend segger j-link debugger.

Thank you.