Re: HP 8920B #hp8920b various questions
#hp8920b
Hi Alex, ?? The lithium battery only saves screen setups. It will not save the "last settings..." Regarding the PCMCIA cards, if you are only using SRAM (battery backed up) cards, the Adtron
By
[email protected]
·
#683
·
|
Re: HP 8920A Firmware Upgrade Issue
Depends on the programmer you are using. Typically binary images are what is used in programming devices. However some programmers can take HEX or SREC formats and either use that directly or convert
By
John Yelmgren
·
#682
·
|
Re: HP 8920A Firmware Upgrade Issue
I just realized that the image files are in Intel hex format. Do they need to be converted to binary before I program the eproms??Sent from my Galaxy
By
wgwl
·
#681
·
|
Re: HP 8920B #hp8920b various questions
#hp8920b
Thank you for the info regarding VGA out, I missed that little tidbit in the instructions. The blank where the ¡°Options Interface¡± is will make a nice spot to mount the connector too! Thank you
By
opelgtalex
·
#680
·
|
Re: HP 8920B #hp8920b various questions
#hp8920b
If you used the NewScope-0Jr., It actually has a VGA output header, you just have to build a cable for IEC to VGA and put it on the back panel.
By
DCFluX
·
#679
·
|
HP 8920B #hp8920b various questions
#hp8920b
Hello to all, I had a couple questions; 1. Might someone have an 8920B front bezel that is for the 0.400-1000MHz version? I have the 30-1000MHz bezel and looking for the correct one for my unit if you
By
opelgtalex
·
#678
·
|
Re: HP 8920A Firmware Upgrade Issue
I Have had the following cause a non recoverable firmware error: eeprom is write protected, bad signal source board - aparantly the controller couldn't communicate with it; corrupt eeprom, bad
By
[email protected]
·
#677
·
|
Re: HP 8920A Firmware Upgrade Issue
No clue? ?my only suggestion would be to remove the hardware down to the CPU , Memory card and CRT display board and see if anything changes. The signaling , HP-IB and SA boards are always optional
By
John Yelmgren
·
#676
·
|
Re: HP 8920A Firmware Upgrade Issue
The error message is as follows.?Non-recoverable firmware error. Please record the 2 lines of text below.........'$Header: syshlp.c,v 12.1.2.1 95/02/15 11:38:16 hmgr Exp $' at line number 273Sent
By
wgwl
·
#675
·
|
Re: HP 8920A Firmware Upgrade Issue
As to the original question with the firmware upgrade failing. What if any error do you get on the screen ? If none do you get an LED error? code ...page 591/592 assembly level repair guide I have
By
John Yelmgren
·
#674
·
|
Re: HP 8920A Firmware Upgrade Issue
The device wrtie protect will only come into play if you reprogram or copy the calibration EEPROM. Yes there are a lot of the device programmers that will by default set the EEPROM to write protect
By
John Yelmgren
·
#673
·
|
Re: HP 8920A Firmware Upgrade Issue
Hi Greg, ??? I have seen some confusion with "write protect" and the 8920. The controller board (that has the calibration eeprom) has a write protect that is switch#1 of the 4- SP4T -gang switch.
By
[email protected]
·
#672
·
|
Re: HP 8920A Firmware Upgrade Issue
Pardon my delayed response...I have verified the eproms using checksums and their locations, installed the updated signaling firmware (14.14) and backed up the calibration eeprom before attempting the
By
wgwl
·
#671
·
|
Re: 8920A Memory Overflow
Hi John, I recommend you "clear all" for anything in the user memory then run the "List_opt" program. That will clear the memory then try to run the Rf_Diags. Usually that will work. Rick
By
[email protected]
·
#670
·
|
Re: 8920A Memory Overflow
Sounds like the firmware was updated at some point? and the unit has the smallest memory configuration. Add the four SRAM chips to the Firmware / Epson card ....has the battery on the far right side.
By
John Yelmgren
·
#669
·
|
8920A Memory Overflow
Looking for a little help here. I have a 8920A in really good shape that seems to be working as it should. The spectrum analyzer, counter, signal gen and the audio circuits all look good. All of the
By
WR0J John Gratton
·
#668
·
Edited
|
Re: HP 8920A Firmware Upgrade Issue
The soldered in memory battery on the memory board only backs up the "user" memory (not any cal data). If you stored screen setups, you will loose them. If its really important to keep your setups
By
[email protected]
·
#667
·
|
Re: HP 8920A Firmware Upgrade Issue
the battery is not used for the calibration memory ...that's a separate EEPROM on the processor? board installed in a socket ...usually copy that with a programmer. the only thing you loose? IIRC is
By
John Yelmgren
·
#666
·
|
Re: HP 8920A Firmware Upgrade Issue
jyelmgren: I have a fine operating HP8920B with later firmware but simply wish to replace the soldered in memory battery. What procedures would you recommend. For example how would I back up
By
RFI-EMI-GUY
·
#665
·
|
Re: HP 8920A Firmware Upgrade Issue
I agree with most of that. Regarding the write protect, I would not select that. I have seen boot problems when selected as well as problems with general operation when the 8920 tries to write "relay
By
[email protected]
·
#664
·
|