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Agilent 54835A scope (4 channel 1GHz / 4Gs/s) repair & uphack
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Tony_G:
Sorry to hear about that image being corrupt. Unfortunately I never used that as I had a 54845A and not the B. I used the images in the 3_5, 4_3 & 4_5 folders. Did you try them?

TonyG
alpher:
I wanted to try the B version because I'm hoping that the "B" hardware may be closer to my new "upgraded to socket 370 P3" than the original socket 7 system was.
Problem solved itself this morning though, I've found a good version here:
https://archive.org/download/ftp.keysight.com/2015.03.ftp.keysight.com.tar/ftp.keysight.com%2Fcos%2Foutbound%2F54845B%2F54846B%20Recovery%20CD%204.50%2FPholyRecovery.iso

Now trying the install, we'll see how it goes.
So far I'm getting windows protection errors after second reboot.
BTW. same thing happened with the image that Converter send me.
alpher:
Still no go, after almost 2 full days I wasn't able to successfully install any of the scope images on the new motherboard.
Tried almost every combination in the BIOS settings, disabled cpu cache, forced IDE to PIO only, etc.
No matter what I do it always errors out at the same spot.
Now, to be sure that the hardware works with windows 98 I've installed both the first and the second edition on the very hardware that the scope must work with, no major problems.
Here is a screenshot of the device manager of the W98FE (that's the one that scope is based on, I think?), showing what needs the driver installed.
Despite that windows installs and runs fine.:
 

Now getting to the scope recovery images, I've tried both, mostly the 54845B image downloaded from archive.org, tried also the original 4.3 version from Tony's drive that worked for me before (on original socket 7 motherboard).
They fail everytime  I tried.
The sequence is as follows:















After that the scope locks up, and I have to power cycle.
Unfortunately after restart all I get is windows protection error.
Desperately need a second opinion here.
 :-//
tautech:

--- Quote from: alpher on May 05, 2019, 10:11:35 pm ---Desperately need a second opinion here.
 :-//

--- End quote ---
NEVER let Windows decide what it thinks is the right driver for anything !

Get the correct drivers from the HW manufacturer always.
For some old HW you will have to dive into some archives probably.
Good luck.
nctnico:
You'll need to get the Win95 drivers from the original disk. Letting Windows select the acquisition hardware drivers isn't going to work.
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