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Reward $50 for HP/Agilent E4916A Upgrade/Firmware/Software
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gamalot:

--- Quote from: Aiy on August 01, 2022, 09:26:53 pm ---For the options, what about those small switches at the top and bottom of your picture?
You could check where they connect to and try the different positions, only 256 combinations to do  :-DD

Best regards

--- End quote ---

The service manual says there are no jumpers or switches that depend on any options.
free_electron:

--- Quote from: Hugoneus on August 01, 2022, 02:57:28 am ---

I think I should be able to read the flash memory directly... But I like the path of trying to find the commands for upgrading the unit through GPIB itself. But even then, the actual code would need to be discovered which is a function of the serial number...

--- End quote ---
since this is the same lineage of the LCR bridge most likely it is simply a flag in the flash. you don't need the code or the key generation , simply set the flag.
in the lcr bridge there is no "key check" , only a flag check.
Hugoneus:
First step would be to get the Flash from the instrument.

I’ll try it. :)
Aiy:
Hello,
I've had a look around the archive.org "ftp site boneyard" filelistings for ftp.keysight.com 2015-04-04
https://archive.org/download/ftp.keysight.com/
https://ia600504.us.archive.org/28/items/ftp.keysight.com/2015.03.ftp.keysight.com.tar.txt

And ftp.agilent.com 2014-06-15
https://archive.org/download/ftp.agilent.com
https://archive.org/download/ftp.agilent.com/2014.06.ftp.agilent.com.tar.txt

searching for "E4915_16.exe" mentioned in the service manual, as well as other keywords I could think of. No luck.

The archives are >2010 so about ten years too recent

Best regards,
Hugoneus:

--- Quote from: Aiy on August 05, 2022, 07:28:13 am ---Hello,
I've had a look around the archive.org "ftp site boneyard" filelistings for ftp.keysight.com 2015-04-04
https://archive.org/download/ftp.keysight.com/
https://ia600504.us.archive.org/28/items/ftp.keysight.com/2015.03.ftp.keysight.com.tar.txt

And ftp.agilent.com 2014-06-15
https://archive.org/download/ftp.agilent.com
https://archive.org/download/ftp.agilent.com/2014.06.ftp.agilent.com.tar.txt

searching for "E4915_16.exe" mentioned in the service manual, as well as other keywords I could think of. No luck.

The archives are >2010 so about ten years too recent

Best regards,

--- End quote ---

Thank you for trying... Still no luck.
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