General Category > Amstrad CPC hardware

[Recommandation (again)] Power Supply for unmod MotherX-4, M4, X-Mem, X-Mass

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m_dr_m:
Following up on this very interesting topic: https://www.cpcwiki.eu/forum/hardware-related/psu-question/
(since my M4 is unable right now, too unstable).

Is there a model you recommend for the combinaison described in the title (i.e. MotherX-4 still with the diodes),
plus Nova or Multiface II as a bonus card!


IIUC, "unregulated 5V 3A" should do the trick (unless my the electricity in my London flat is too noisy. How to check that?).
Would this cheap 'CPC' PSU work? https://cpc.farnell.com/pro-elec/pell0024/5v-3a-uk-plug-2-1mm/dp/PW04599

Thanks folks.

 

m_dr_m:

--- Quote from: m_dr_m on 12:04, 22 November 21 ---IIUC, "unregulated 5V 3A" should do the trick
--- End quote ---
Or not: unregulated would work fine for M4 / Symbiface III, not so well for @TotO 's interfaces, right?

GUNHED:
At the very end you need to have a Y cable to be able to measure Volts while working with everything being switched on. Some PSUs will drop to 4,5 Volt even - or even lower under load. And there the problems begin.
Here I tested much PSUs for that, but sadly to few to be able to compile a positive list.


Also: Most PSUs drop their voltage when adding more expansions. Now I got a lot of PSUs around here.  :-\

m_dr_m:

--- Quote from: GUNHED on 17:39, 22 November 21 ---Here I tested much PSUs for that, but sadly to few to be able to compile a positive list.

--- End quote ---
Well, just one would suffice!

It seems the proper solution is two have 2 PSU: one regulated for the CPC + X-Mass + X-Mem + Nova + Multiface II (old-school cards),
one cheaper unregulated for M4 or Symbiface III.
Thanks @Sid_ & @Ast .

GUNHED:
Or one serious one out of a PC.  :)

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