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Reward $50 for HP/Agilent E4916A Upgrade/Firmware/Software
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TheSteve:
OK, so it isn't really a 27C1024 as the file name suggests then I suppose.

There must be some main memory, likely a 28 or 29 series device.
Hugoneus:

--- Quote from: TheSteve on July 30, 2022, 04:27:54 am ---OK, so it isn't really a 27C1024 as the file name suggests then I suppose.

There must be some main memory, likely a 28 or 29 series device.

--- End quote ---

Hi Steve,

It is a 27C1024 EEPROM. The file (.BIN) is what is stored in it.
picburner:
The file you posted (Main_Firmware_AM27C1024.zip) is that of the bootrom which then passes control to the firmware contained in the Flash memory.
AM27C1024 is an Eprom not an Eeprom.
As TheSteve told you there should also be an eeprom somewhere (or a NVRAM?) as well as a Flash memory of course.
I converted the file you posted in Little Endian format so the text it contains is readable.
Hugoneus:
You are right. I didn’t pay enough attention, this is an EPROM. I will look on the board more.

Thank you both for pointing it out.
Daruosha:
Hi Shahriar,

I'm not sure if this is what you are looking for (at least the latest firmware file):
https://www.keysight.com/us/en/support/E4916A/crystal-impedance-lcr-meter.html#drivers

Have you tried contacting HPAK support?
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