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Agilent 54835A scope (4 channel 1GHz / 4Gs/s) repair & uphack
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BoscoLab:

--- Quote from: alpher on November 29, 2023, 12:47:22 am ---Here's a link to my images of my 54845A , windows ME images are based on Intel I810 chipset mobo installs.
Theres one with the version 45 (latest that I know of) but I think it's win98 on an original AMD mobo, I did not like it as far as I remember.
Hope it will be of some help.
https://drive.google.com/drive/folders/1w3_B7vnozDZKYdfuwL9VvBMuRDxwnoF2?usp=sharing

--- End quote ---

Hello alpher,

thanks for the files. I think Windows 98 is the right way to go for the 54845A. What is the difference in your images between "43 A w98SE only c" and "43 A w98SE" ?

Thank you!  ;D
Tony_G:
UPDATE: I just watched my video again and realized that my initial memory was faulty - I've updated the post to reflect that.


--- Quote from: BoscoLab on November 29, 2023, 07:37:09 am ---Hello Tony,

can you tell me how you updated your 54845A? Which files did you have to use and in which order? Maybe you can document the update process?

Thank you!  ;D

--- End quote ---

Happy to.

As I mentioned above, I grabbed the MicroSolutions Backpack Parallel Port CDROM as this is what was recommended by Agilent in the doc "InfiniiumUpgradeRecovery.pdf".


--- Quote ---To upgrade your non-LS-120 scope to A.04.xx, you will need the A.04.xx upgrade software on CD and the appropriate boot disk on a 3.5” floppy. You may contact Agilent technical support for copies of these disks, or download the files at the locations given below. The boot disk supports the MicroSolutions model 167550 Backpack CD-ROM drive. You may need to modify the files for compatibility with your drive.
--- End quote ---

There is a floppy disk image that I created - It is called "Bootimage.ima" - I used WinImage to write that to a 3.5" floppy and then I could boot the device with the Backpack installed and access the upgrade image. I would expect that you could use an IDE CDROM drive instead of the Backpack, you'll just have to have the right drivers in config.sys & autoexec.bat on the boot disk. Other than those files it is just a standard Win98 boot floppy.

To get to A.04.50, you need to start with A.04.30 and then upgrade that with the A.04.50 files.

The files you need to start with are in the "54845A\54845A\548xx\Upg_Rec\4_3\4_3_Recovery" folder. The files in those folders need to be burnt to CD, you can just use the standard Windows method to burn them as they aren't bootable. I put all the files from Disk 1-3 onto the one CD I think.

Once you have them in the drive you run Ghost.exe from the CD and select the HP548RCV.GHO" file. Ghost (this is just a drive imaging tool) will push the new bits onto the disk and you should be at A.04.30.

I actually have a video of what I did to do the reinstall/upgrade on YT:

https://youtu.be/L49qug1oGuo?si=sh1auQQ3c-b901NC&t=536

Now to get to A.04.50 I used the CDROMUPG.EXE utility - This is in the ZIP folder "54845A\54845A\548xx\Upg_Rec\bootdisk\CD_Boot.zip".

I really don't remember what files it looked for but I would start with the ones in "54845A\54845A\548xx\Upg_Rec\4_5\4_5_upg.zip". These have unique filenames so you should just be able to get them onto the same CD you used for A.04.30. Boot from the floppy again, run CDROMUPG.EXE and then follow the prompts.

I covered that in this video:

https://youtu.be/x9FUXcWENoU?si=lNKwF6aCO14yqmsr&t=142

This is all from rewatching my videos and memory so my apologies if I've missed a step but it should be fairly straight forward.

Hope this helps.

TonyG
alpher:

--- Quote from: BoscoLab on November 29, 2023, 07:43:04 am ---

Hello alpher,

thanks for the files. I think Windows 98 is the right way to go for the 54845A. What is the difference in your images between "43 A w98SE only c" and "43 A w98SE" ?

Thank you!  ;D

--- End quote ---

Only c means that there are no other drives like CDrom in this image it was step by step process, you can ignore it and go for the latest.
BoscoLab:

--- Quote from: Tony_G on November 29, 2023, 01:05:46 pm ---UPDATE: I just watched my video again and realized that my initial memory was faulty - I've updated the post to reflect that.


--- Quote from: BoscoLab on November 29, 2023, 07:37:09 am ---Hello Tony,

can you tell me how you updated your 54845A? Which files did you have to use and in which order? Maybe you can document the update process?

Thank you!  ;D

--- End quote ---

Happy to.

As I mentioned above, I grabbed the MicroSolutions Backpack Parallel Port CDROM as this is what was recommended by Agilent in the doc "InfiniiumUpgradeRecovery.pdf".


--- Quote ---To upgrade your non-LS-120 scope to A.04.xx, you will need the A.04.xx upgrade software on CD and the appropriate boot disk on a 3.5” floppy. You may contact Agilent technical support for copies of these disks, or download the files at the locations given below. The boot disk supports the MicroSolutions model 167550 Backpack CD-ROM drive. You may need to modify the files for compatibility with your drive.
--- End quote ---

There is a floppy disk image that I created - It is called "Bootimage.ima" - I used WinImage to write that to a 3.5" floppy and then I could boot the device with the Backpack installed and access the upgrade image. I would expect that you could use an IDE CDROM drive instead of the Backpack, you'll just have to have the right drivers in config.sys & autoexec.bat on the boot disk. Other than those files it is just a standard Win98 boot floppy.

To get to A.04.50, you need to start with A.04.30 and then upgrade that with the A.04.50 files.

The files you need to start with are in the "54845A\54845A\548xx\Upg_Rec\4_3\4_3_Recovery" folder. The files in those folders need to be burnt to CD, you can just use the standard Windows method to burn them as they aren't bootable. I put all the files from Disk 1-3 onto the one CD I think.

Once you have them in the drive you run Ghost.exe from the CD and select the HP548RCV.GHO" file. Ghost (this is just a drive imaging tool) will push the new bits onto the disk and you should be at A.04.30.

I actually have a video of what I did to do the reinstall/upgrade on YT:

https://youtu.be/L49qug1oGuo?si=sh1auQQ3c-b901NC&t=536

Now to get to A.04.50 I used the CDROMUPG.EXE utility - This is in the ZIP folder "54845A\54845A\548xx\Upg_Rec\bootdisk\CD_Boot.zip".

I really don't remember what files it looked for but I would start with the ones in "54845A\54845A\548xx\Upg_Rec\4_5\4_5_upg.zip". These have unique filenames so you should just be able to get them onto the same CD you used for A.04.30. Boot from the floppy again, run CDROMUPG.EXE and then follow the prompts.

I covered that in this video:

https://youtu.be/x9FUXcWENoU?si=lNKwF6aCO14yqmsr&t=142

This is all from rewatching my videos and memory so my apologies if I've missed a step but it should be fairly straight forward.

Hope this helps.

TonyG

--- End quote ---

I was able to successfully restore the 54845A to version 4.3 with a new CF card.  :scared: When Windows boots the first time, drivers are installed and a crash occurs, but after a reboot it continues.
I could not perform the update to 4.5. The cdromupg.exe did not find any files. I tried everything but it did not work.

I've made good progress so far. Maybe we can still solve the update problem.  ;D

Now I'm just looking for the latest software for the 54832B.

Thank you Tony!
Tony_G:
Ok, that took way longer to work out than I expected...

My scope is in a 19" rack mount so I can't easily get to the back of it without moving a bunch of stuff - BTW The scope mount looks great and the little pull-out is a touchpad for the mouse:



Anyway, I ran up a Win98SE VM to test it out - Needed to work out how to get Win98 and the latest VMWare to work together, needed to address the TLB bug (The solution is Patcher9x if you're interested), deployed the 4.3 scope GHO, patched it and then tried to jog my memory to work out how to run CDROMUPG.

Ended up just opening the CDROMUPG.EXE file in a binary editor and trolling the resource strings - What did I find? Well, it turns out that the HP devs hardcoded the file locations and expect the CDROM to be drive F: (there are also other locations like the one TheSteve pointed out earlier in the thread).

Anyway, if you make your CD the F: drive then you can just have the files in "54845A\54845A\548xx\Upg_Rec\4_5\4_5_upg.zip" in the root of the iso (basically at F:\) and then you can run CDROMUPG and it should update the device to A.04.50.

I still can't get the scope image to finish booting but I'm fairly certain this is because it is a VM.

Hope this helps.

TonyG
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