Does anyone have any information on upgrading the Risc PC PSU?
I remember that APDL used to offer upgraded high output PSU's in the
original casing.
Has anyone upgraded theirs or have any pointers on where to start?
Does anyone have any information on upgrading the Risc PC PSU?
I remember that APDL used to offer upgraded high output PSU's in the
original casing.
Has anyone upgraded theirs or have any pointers on where to start?
Does anyone have any information on upgrading the Risc PC PSU?
I remember that APDL used to offer upgraded high output PSU's in the
original casing.
Has anyone upgraded theirs or have any pointers on where to start?
In article <860386a758.rob@rob.robheaton.co.uk>,
Rob Heaton <rob@robheaton.co.uk> wrote:
Does anyone have any information on upgrading the Risc PC PSU?
I remember that APDL used to offer upgraded high output PSU's in the
original casing.
Has anyone upgraded theirs or have any pointers on where to start?
The most obvious question here, first of all, is why do you think you
need an upgrade?
What is the rating of your current PSU?
In message <860386a758.rob@rob.robheaton.co.uk>prodcode=ACO-103WSORR
Rob Heaton <rob@robheaton.co.uk> wrote:
Does anyone have any information on upgrading the Risc PC PSU?
I remember that APDL used to offer upgraded high output PSU's in the
original casing.
Has anyone upgraded theirs or have any pointers on where to start?
You could try CJE Micros
http://www.cjemicros.co.uk/micros/individual/newprodpages/prodinfo.php?
Might be suitable. Check with them direct.
In article <860386a758.rob@rob.robheaton.co.uk>,
Rob Heaton <rob@robheaton.co.uk> wrote:
Does anyone have any information on upgrading the Risc PC PSU?
I remember that APDL used to offer upgraded high output PSU's in the
original casing.
Has anyone upgraded theirs or have any pointers on where to start?
I found a PC PS from CPC that would fit inside the Acorn PS case with a
bit of work. Lots more power, and a quieter fan.
It involved removing the loom from the old PS and fitting to the new.
Not actually that difficult if you can solder. Cost about £30 (several
years ago) and a morning's work.
I currently have the 70w version, I have found that when adding anything
more than a hard drive and a cd drive, the machine fails to start, I
just get a black screen.
In article <860386a758.rob@rob.robheaton.co.uk>,
Rob Heaton <rob@robheaton.co.uk> wrote:
Does anyone have any information on upgrading the Risc PC PSU?
I remember that APDL used to offer upgraded high output PSU's in the original casing.
Has anyone upgraded theirs or have any pointers on where to start?
I found a PC PS from CPC that would fit inside the Acorn PS case with a
bit of work. Lots more power, and a quieter fan.
It involved removing the loom from the old PS and fitting to the new. Not actually that difficult if you can solder. Cost about £30 (several years ago) and a morning's work.
On Sat, 29 Aug 2020 11:05:50 +0100, Dave Plowman (News) wrote:
In article <860386a758.rob@rob.robheaton.co.uk>,
Rob Heaton <rob@robheaton.co.uk> wrote:
Does anyone have any information on upgrading the Risc PC PSU?
I remember that APDL used to offer upgraded high output PSU's in the
original casing.
Has anyone upgraded theirs or have any pointers on where to start?
I found a PC PS from CPC that would fit inside the Acorn PS case with a
bit of work. Lots more power, and a quieter fan.
It involved removing the loom from the old PS and fitting to the new.
Not actually that difficult if you can solder. Cost about £30 (several years ago) and a morning's work.
That sounds ideal!
I don't suppose you have a model or part number of the PSU tht was used?
IIRC, it was the only one they sold in the RPC shape - ie rectangular
rather than the usual square standard ATX type. Any modern PS will be
plenty large enough for an RPC.
On 30/08/2020 11:04, Dave Plowman (News) wrote:
IIRC, it was the only one they sold in the RPC shape - ie rectangular rather than the usual square standard ATX type. Any modern PS will be plenty large enough for an RPC.
Maybe too large though. There have been cases of PC power supplies not working if not enough power is requested on 5V.
"Dave Plowman (News)" <dave@davenoise.co.uk> wrote:
In article <860386a758.rob@rob.robheaton.co.uk>,
Rob Heaton <rob@robheaton.co.uk> wrote:
Does anyone have any information on upgrading the Risc PC PSU?
I remember that APDL used to offer upgraded high output PSU's in the
original casing.
Has anyone upgraded theirs or have any pointers on where to start?
I found a PC PS from CPC that would fit inside the Acorn PS case with a
bit of work. Lots more power, and a quieter fan.
It involved removing the loom from the old PS and fitting to the new. Not
actually that difficult if you can solder. Cost about £30 (several years
ago) and a morning's work.
A FlexATX PSU fits mechanically and should work electrically. The main issues are joining the wiring loom, fixing the PSU down (it's much smaller than a RPC PSU), and putting in a switch to drive the RPC's power button.
As you say, keeping the case of the RPC PSU and putting a new PSU inside avoids some of these problems.
If it were me, I'd get a 24 way ATX power extension cable: https://www.ebay.co.uk/itm/ATX-Extension-Cable-Lead-24-Pin-Male-to-24-Pin- Female-Internal-PC-PSU-Power-27cm/293099711936
Cut it in half, and join the 'upstream' end to the RPC PSU's power
loom. Then any ATX power supply will plug in to drive the RPC.
In particular a PicoPSU:
https://www.mini-box.com/s.nl/it.A/id.417/.f
can be driven from a 12V power brick.
You'd additionally need to hook in a switch to turn it on and off.
I'm going to order one of those PicoPSU adapters, suitable 12v power brick and the 24 way ATX extension.
Rob Heaton <rob@robheaton.co.uk> wrote:
I'm going to order one of those PicoPSU adapters, suitable 12v power brick >> and the 24 way ATX extension.
Something else I'm reminded of is to check what you have for sockets for drives. A lot of Risc PC gear is likely to need HDD-style Molex connectors, while nowadays drives tend to have SATA power connectors. You might need to string some adaptors to get enough sockets.
Also do the sums on current, as I'm not sure what the current output of the various PicoPSUs do (PCs probably take more on 3.3V which the RPC won't touch).
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