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There are 2 physical processors inside this design. One from XMOS (has multicore virtual-CPUs inside) and one from ST Semiconductor (STM32 series). Each micro contains their own firmware. The latest USB firmware which is linked to the XMOS CPU is 2.06. Assuming that the other SW version...

@reddeath - cannot answer on the features that are available on 1.7 but highly recommend for you to wait for a direct respond from the SMSL factory. Only they can confirm if your box can support the next upgrade or not. The contact details for Kelly are shared below - please email her your...

Hello @Crohnic and all. Sorry for this late follow up but have been quite busy with assorted projects. We ended up purchasing a bricked SMSL M500 unit out of Australia and did manage to disassemble the unit for a review. Our unit was quite tight to remove the wedged stacked circuit boards but...

Hi. Tearing this unit apart is not an easy task. The unit we purchased was an extremely tight fit on the PCBs. Took a great deal of pull strength to yank out the stacked PCBs. If you are still stuck on the disassembly or re-assembly of the product - share lots of pictures so we can understand...

Hi. A bit of an update. 1) We have been contacted by Kelly and their engineering manager. Last week, forwarded a laundry list of questions to them to better understand the design of this box. 2) This weekend, received a dump of the v2.01 firmware that is stored inside the flash memory device...

@Ilumo, the issue is not permanent. The root cause is a code bug in the field upgrade mechanism (DFU). The earlier boxes released by SMSL contain the buggy DFU tool. This means that the FIRST image (factory supplied) offers the DEFAULT firmware (in your case v1.5) + the buggy DFU tool. This...

@w1000i - the link to the v2 firmware will not help at this time. Please see my post here for details: https://www.audiosciencereview.com/forum/index.php?threads/smsl-m500-owners-thread.9547/page-5 In summary, what is happening is that the factory has a "known-good" default firmware which in...

Hello all. First time here. I am a senior, independent developer with XMOS devices and a hardware developer with 35+ years of experience at our company here in Windsor, Ontario, Canada. Coming here from the XMOS user forum after a discussion with another SMSL customer...