Issue with flashing a BU40N

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tpglitch
Posts: 4
Joined: Sat Dec 27, 2025 3:27 am

Issue with flashing a BU40N

Post by tpglitch »

Hello guys,

I was trying to flash LibreDrive firmware onto my BU40N drive which currently runs 1.02. I was attempting to flash it to LibreDrive-patched 1.04.

The commands I tried running are:
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Code: Select all

makemkvcon f -d 'dev_21:0' -f ./sdf.bin rawflash enc -i ./bu40nfirm.bin
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makemkvcon f -d '/dev/sr0' -f ./sdf.bin rawflash enc -i ./bu40nfirm.bin
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makemkvcon f -d '/dev/sg0' -f ./sdf.bin rawflash enc -i ./bu40nfirm.bin
- Says it could not find /dev/sg0 although the kernel recognizes it.

I double checked it's not in use. `sr_mod` is builtin to the kernel on my distro.
tpglitch
Posts: 4
Joined: Sat Dec 27, 2025 3:27 am

Re: Issue with flashing a BU40N

Post by tpglitch »

Also I am running the OS via a SSD over USB and the drive is directly plugged in via SATA on the PC
MartyMcNuts
Posts: 4412
Joined: Wed Nov 22, 2017 11:45 pm

Re: Issue with flashing a BU40N

Post by MartyMcNuts »

tpglitch wrote:
Sat Jan 03, 2026 7:03 pm
Hello guys,

I was trying to flash LibreDrive firmware onto my BU40N drive which currently runs 1.02. I was attempting to flash it to LibreDrive-patched 1.04.

The commands I tried running are:
*

Code: Select all

makemkvcon f -d 'dev_21:0' -f ./sdf.bin rawflash enc -i ./bu40nfirm.bin
*

Code: Select all

makemkvcon f -d '/dev/sr0' -f ./sdf.bin rawflash enc -i ./bu40nfirm.bin
*

Code: Select all

makemkvcon f -d '/dev/sg0' -f ./sdf.bin rawflash enc -i ./bu40nfirm.bin
- Says it could not find /dev/sg0 although the kernel recognizes it.

I double checked it's not in use. `sr_mod` is builtin to the kernel on my distro.
If it is an Archgon, they changed the PCB in their enclosure which stops flashing. The drive should be taken out of the enclosure to flash and use.
Cheers :D
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tpglitch
Posts: 4
Joined: Sat Dec 27, 2025 3:27 am

Re: Issue with flashing a BU40N

Post by tpglitch »

Thanks for your reply! I am aware of that change and yes it is the Archgon BU40N. I did indeed take it out of its enclosure and directly use Slimline sata.
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