E4990A Firmware Revision History

Firmware for Windows 7 and for Windows 10

Revision A.03.02 and later can be installed onto the E4990A with Windows 7 and with Windows 10.

Revision A.05.02 . . . Released May 2024

  • Support the 4th generation CPU.

Revision A.04.00 . . . Released March 2021

  • Support E4990A with Windows 10 version 1809.
  • Support GPT partition / UEFI boot.
  • Support BitLocker.

Revision A.03.06 … Released March 2020

  • Enhance USBTMC communication between E4990A with Windows 10 and Host PC
  • Fixed: EULA rejection error

Revision A.03.02 . . . Released September 2018

  • Support the E4990A with Windows 7 and with Windows 10 version 1607
  • Support Flex-ATX CPU
  • Support NLT Touch panel
  • Update WinDriver
  • Update EULA
  • Rebranded USB manufacture ID
  • Added a command to select Keysight Technologies or Agilent Technologies while reading manufacturer name in the product information via IDN? 
  • Deleted “Network Mode” softkey
  • Added Y axis zooming with multi touch

Bug fixes:

  • DCI monitor shows incorrect value, when sweep averaging is turned on.
  • The AC output /monitor (Vac/Iac) of channel 2 (3 and 4) are incorrect, when ALC, Multiple channel (2,3, or 4) and Point average are used.
  • [Diag test] VEE Runtime error when performing Z_1kohm test with open connection.

Firmware for Windows 7 and for Windows 10

Revision A.01.02 to A.02.20 can be installed onto the E4990A with Windows 7 only. 

Revision A.02.20 … Released July 2016
Bug fixes:

  • The adapter setup in the option E4990A-010 (20 Hz to 10 MHz) is not performed properly.
Revision A.02.13 … Released February 2016
Bug fixes:
  • The trace data when using the zero frequency sweep span comes to be strange after changing the “DC Output@Hold” from OFF to ON.

Revision A.02.12 … Released October 2015

  • The frequency sweep during the data acquisition process for the adapter setup is set to “Up” sweep direction automatically as with the 4294A.
Bug fixes:
  • When the “DC Output@Hold” softkey has been set to “OFF” and the following conditions are used, the trace data may be incorrect.
        - Zero frequency sweep span or a narrow frequency sweep span is used
        - After starting the sweep (a few points have been measured), the sweep is restarted. 
 
Revision A.02.10 … Released June 2015
  • Supports the Option 001 Enhanced measurement speed up
  • Adds the save trace data for multi traces (:MMEM:STOR:TRAC)
  • Adds Delay for band change (:SOUR:BAND:DEL)
  • Improve measurement speed for Hi-Q measurement
  • Update splash screen
Revision A.02.01 … Released February 2015
Bug fixes:
  • S1P data does not include effectiveness of compensation
  • Indexing Service is still running as default setting
Revision A.02.00 … Released November 2014
  • Keysight rebranding
      - Company name and its logo
      - Manufacturer name in the product information via IDN? changed to Keysight Technologies from Agilent Technologies
  • Firmware update procedure is changed.
  • Network setup menu is changed.
Revision A.01.03 … Released August 2014
Bug fixes: Crystal measurement data is different from 4294A
 
Revision A.01.02 … Initial Release