# Can we downgrade VxWorks 653 BSP to VxWorks 5.5?

**URL:** <https://forums.windriver.com/t/can-we-downgrade-vxworks-653-bsp-to-vxworks-5-5/1197>\
**Category:** Uncategorized\
**Created:** [September 12, 2025, 5:17am UTC](https://forums.windriver.com/t/can-we-downgrade-vxworks-653-bsp-to-vxworks-5-5/1197 "2025-09-12T05:17:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![miss-sidra](https://avatars.discourse-cdn.com/v4/letter/m/a87d85/32.png) [@miss-sidra](https://forums.windriver.com/u/miss-sidra)\
**Post date:** [September 12, 2025, 5:17am UTC](https://forums.windriver.com/t/can-we-downgrade-vxworks-653-bsp-to-vxworks-5-5/1197/1 "2025-09-12T05:17:28Z")

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Hello,

I have a BSP for SBC750GX that is available for **VxWorks 653 version 2.2**. I also have VxWorks 5.5, but for this version I only have the **BSP template (PPC)**.

My question is:

Can we downgrade or adapt the VxWorks 653 BSP to work with VxWorks 5.5?

Thanks in advance for your guidance.