No UDB shared drive detected on the C64 side

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olivier bernhard

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May 14, 2026, 5:58:40 PM (10 days ago) May 14
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Hi,
I'm facing the following issue with my IDE64 4.2 : 

I'm able to run ideservd 0.35I 20250524 on windows 11 and even on latest archlinux.
The output from ideservd is always the same :

Served device: A4BA7J6K (IDE64 USB DEVICE)

So obviously my PC can see the Cartridge 

However on the C64 side (well actually it's a mega65 using the C64 core), I can't see any "14" shared usb device

HDINIT command displays : 

#1:SDCFXS-032G
#2:UPCLINK

When using <- + RESTORE, then "DEVICE NUMBERS" I can't seen any USB Device mapped to device 14.

Any tip would really be welcome.

Thanks a lot.

Olivier.


olivier bernhard

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May 15, 2026, 4:07:12 AM (10 days ago) May 15
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Ok figured out what happens. I'm running this on the C64 core of the Mega65. And there's obviously a conflict when simulated REU is enabled. 
So this is purely related to C64 core on Mega65. When simulated REU is disabled, it all works fine. I will report this to the C64 core devs.
Sorry for the inconvenience (we are aiming to have IDE64 working perfectly on the C64 core of the Mega65).

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