Question Fujitsu P558 weird PSU connector ?

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Oddball Matt

Oddball Matt

Nov 17, 2023
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Hey guys thanks for letting me join in! Looking for a little help if anyone else would have bumped into this same problem. So a while ago I bought a refurbished Fujitsu Esprimo P558 tabletop and would like to upgrade the graphics card on it, little did I know these things don't use a standard ATX power though... So, I bought a 650w Corsair ATX PSU, and ordered a 24pn-to-16pin Fujitsu power adapter off ebay with a buck transformer wired in so it can provide the needed 11Vsb, HOWEVER, for extra sh*thousery the Esprimo P558 and it's D3600-A1 mainboard uses yet ANOTHER type of a slightly smaller TWENTY pin connector of which 18 pins are currently used, so needless to say the adapter I bought does not fit! Weirdly enough I can find ZERO reference anywhere on the internet to this particular connector but refuse to believe I am the first one trying to do this! I have studied the color codings on the PSU in the computer and it appears to also be a 12v only connector just with more 12v wires going in than the 16pin one (I will confirm this theory later tonight, all my multimeters had ran out of battery), the rest seem to comply assuming color for color they match being green=PS ON, grey=power OK, and the last one that is colored purple on the adapter and red on the PSU being the 11Vsb.

Question is, do you think I can just snip the connector off the PSU and splice it into the adapter and be done with it? The extra 12v lines are being stolen off the old 4pin molex connectors so I'd reckon I could splice those to provide more than one pin per.
 
Really? The size of the connector and the wiring colors suggest otherwise but I'll buy some 9v batteries today for my multimeters and confirm this later tonight.

For reference the PSU on the computer is a Delta Electronics DPS-180AB-29 B
 
I was unable to find anything at all on this power connector. I looked up the power supply and it honestly looks similar to the 16 pin one. From the picture I saw it looked almost like 7x gnd 8x 12v with 1x 11Vsb 1x ps on and 1x pwr ok.
 
Similar enough it fooled me into thinking it is the 16pin but closer examination revealed nope it's some weird 20pin smaller than the 16pin. At work til late today but when I get home I'll measure the pins to confirm all yellows are indeed 12v
 
Welp, I'm all out of ideas. I snipped the connector off the original PSU, spliced it into the adapter I bought off ebay, and the computer doesn't do anything. I jumped the green wire to ground to make the ATX power wake up and the computer does the same powerup check it does with the original PSU, spins up the fans goes grumble grumble for a few seconds then powers down and won't wake up from the button. I'm getting inclined to gutting the computer, chucking the mobo as far as I can throw it and try to find an ATX one that'd work with the other parts. I have an i3-8100 processor, ddr4 ram and an NVMe SSD. Another question I have is will the windows installed on that SSD fire up if I fit it into another computer?
 
Except not. Found instructions and succesfully retrieved my windows product key via cmd so I can transfer it to a new computer no problem.
 
If it comes to that I'll just buy a completely new windows, this money saving attempt has cost me way too much as is. Just sent an email to a local custom build computer shop listing what I currently have and asking if they could build me a machine compatible but missing these parts which I will add from the current one myself.
 
Oddball Matt said:
If it comes to that I'll just buy a completely new windows, this money saving attempt has cost me way too much as is. Just sent an email to a local custom build computer shop listing what I currently have and asking if they could build me a machine compatible but missing these parts which I will add from the current one myself.
Click to expand...
As said...

The license will probably transfer.

You just apply that license to a new OS install. MS has specific procedures for this.
Probably no need to buy anything.

Operation and Licensing are 2 different things.
 
Yeah unfortunately buying OEM systems is a proprietary landmine, and in this case you managed to get one that appears to be super uncommon power connector wise. Just in general you're best off buying older Dell/HP simply because their volume is so huge there tends to be more workarounds readily available.
 
Yea thanks for the info so far, my knowledge of computers is from the era I built the last computer I've been using, don't remember the other details but you'll probly get the idea when I tell you I upgraded my graphics card with the GTX670 I got from my brother-in-law...

Live and learn, never again...
 
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Well looks like I found a working solution to this problem. It's still in the car waiting for me to get off work but tonight I'm going to test if it works.

To make this modification you will need the following parts:

Corsair CV650 Power
i5 13400F processor
MSI Geforce RTX3050 2X XS OC graphics card
Asus PRIME D760M-K mATX mainboard
Endorfy Ventum 200 Solid casing
Around 10x0.33l of 4.3% beer

Rest like the SSD, RAMs, fans etc will be gutted from the two previous boxes.
 
USAFRet said:
Probably not.

Windows is not modular like this, to simply move to all different hardware.
Click to expand...
It actually is. I did some reading on this before committing to it, and turns out Windows 11 is made to streamline the transition. Took a couple restarts to get all the drivers and whatnot installed but that required zero input from me. Well, apart from clicking once accepting the install of a program called ASUS Armoury crate upon first startup, it installed all drivers and peripherals me having to do anything other than wait, the only thing I had to do during the entire process was to find a resolution my old Samsung TV I`m using as my main display supports ( and yes that is the next thing to be updated now that I have seen what the RTX graphics card can do with the sidecsreen) I never even was asked to enter the product key anywhere, it just fired up and basically continued where I left it on the Fujitsu (writing this on the new machine)
 
Oddball Matt said:
It actually is. I did some reading on this before committing to it, and turns out Windows 11 is made to streamline the transition.
Click to expand...
3 possible outcomes:
1. It works just fine
2. It fails completely
3. It "works", but you're chasing issues for weeks/months.

I've personally seen all 3.

Win 10 is better than previous. Win 11 is a bit better than 10.
But by no means guaranteed.

You may have lucked out. This time.
 
I`ll take the win and run with it happily, other`s results may vary. Just glad that FOR ONCE I lucked out and got the easy one, that VERY rarely happens to me with anything!
 
One last small hiccup. The product key didn't transfer, said it's not working, tried to work out why but got none the wiser. If I understood correctly the authentication process claimed that it's for a laptop, could the fujitsu machine essentially be a laptop just fitted into a mini-tower? I mean it even uses a laptop style dvd drive... Anyway purchased a new key from productkeys.fi for 17,90eur, all working now.
 
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