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

--- Quote from: Krzys on May 15, 2019, 11:39:18 pm ---But well, that gives me another idea to try - taking let's say tstone.sys from XP based scope and trying to run it in Windows 98, with correct 54810/15/25/35/45/46 win 9x app - to see, if the driver itself works with old (codename "Tombstone") board. Of course all that provided the XP-sourced driver would work in Windows 98 (and it is real WDM driver, not the old-style kernel-mode NT .sys).

--- End quote ---

Unfortunately WDM was designed to be forwards compatible and not backwards compatible. It is possible for a Win98 WDM driver to work on WinXP but not necessarily the other way around. In fact I'd expect most, if not all WinXP WDM drivers to fail on Win98.

TonyG
Mrt12:
Hi,
My scope uses the VP22 mainboard and runs Win98.
Is it possible to upgrade my hardware to XP, or do I need a new board?
Do the previously mentioned M815TG ISO files work for XP?

Thanks,
Tobias
HB9FSX
Krzys:

--- Quote from: Mrt12 on June 27, 2019, 11:48:24 am ---Hi,
My scope uses the VP22 mainboard and runs Win98.
Is it possible to upgrade my hardware to XP, or do I need a new board?
Do the previously mentioned M815TG ISO files work for XP?
--- End quote ---
If it is 54830/1/2/3 (with two interface cards - old one for I/O and new one for scope interfacing - just like on following picture), then these ISO's should be fine. It should work out-of-the-box (remember to install scope app downloaded from Keysight website after restoring ghost image from the CDs).

Just remember to make a backup of current HDD with Win'98 - prefferably full sector-by-sector image (or use another HDD for Windows XP).

Scope updated to Windows XP will need some 256 MB of RAM - or more. With 96 MB HP/Agilent/Keysight XP install is unusable, even without scope app.

On the other hand I think that previous-generation Infiniiums (54810/15/20/35/45/55) never used VP22 motherboard.

Here are two interface cards as in XP-based 54830/1/2/3 Infiniiums:
Mrt12:

--- Quote from: Krzys on April 16, 2019, 09:14:54 pm ---
--- Quote from: alpher on April 16, 2019, 12:29:16 am ---Well, very interesting stuff, could you send us the link to these images ?
--- End quote ---
Here's the link to said ftp dump:

https://archive.org/download/ftp.keysight.com/2015.03.ftp.keysight.com.tar/

recovery .GHO is divided into 4 CDs, so we need the following 4 ISO files: M815G-T3A-Disk1.iso, M815G-T3A-Disk2.iso, M815G-T3A-Disk3.iso and M815G-T3A-Disk4.iso.

Some files from the same directory: 54830-97013.pdf, Mesa-BIOS-HowTO.DOC, VP22.pdf, VP22AG09.zip.

ISO of CD that makes recovery HDD image from fully installed scope: makeimage11.iso

Here's main archive.org page for that download: https://archive.org/details/ftp.keysight.com (in case somebody wanted to download the whole 183 GiB tar file).

If booting recovery CD wouldn't let you install it, you could just use ghost to restore these .gho files. In my case I've used ghost32.exe (Norton Ghost 8.0.0.984 from 2003) under WinPE, after collecting all .gho files in one directory.
--- Quote from: alpher on April 16, 2019, 12:29:16 am ---I'll be willing to try them on a i810 board with  P3 cpu that most certainly has the required sse and I have more than enough of sdram sticks for xp to run comfortably.
--- End quote ---
Sure it has SSE, but I guess that the issue lies elsewhere anyway. Though I wish you luck with it :)

--- Quote from: alpher on April 16, 2019, 12:29:16 am ---If only the damn board ever decides to show up. >:(


p.s. Dobra robota panie Krzysztofie. :)
--- End quote ---
Well, thanks, though I don't think I achieved anything - quite the contrary. But maybe someone else will eventually do it.

--- End quote ---


Hi,
I downloaded the 4 ISO images and burnt them on CDs. Botting from Disk 1 works fine and the recovery starts, but it cannot read CD 2. Did you have the same problem? how did you merge the Ghost image files?

My board has 256 MB RAM installed. There are two additional spare sockets for more RAM, but I think it will be difficult to obtain SDRAM these days :-(

attached is a picture of my scope.
gslick:

--- Quote from: Mrt12 on June 27, 2019, 08:37:11 pm ---My board has 256 MB RAM installed. There are two additional spare sockets for more RAM, but I think it will be difficult to obtain SDRAM these days :-(

--- End quote ---

The memory is 168-pin DIMM PC133 SDRAM. While you might not be able to buy that new current production, you should be able to find another 256MB DIMM used for less than $10.

I don't have a VP22 motherboard. I have a similar M815-G motherboard from a 16900A which came with two MT8LSDT3264AG-133 256MB Sync 133MHz CL3 DIMMs. I currently see several of those on eBay in the US for less than $10, including shipping.
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