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RiscPC Replacement Power Supplies

We can supply either fully overhauled 103 watt power supplies for the RiscPC or our own higher rated rebuilt power supplies with new internals in either 140 watt or 200 watt versions. These are usually supplied as exchange uits but we can sometimes supply them without exchange depending upon availability.

Standard Acorn PSUs

Acorn 103 watt power supply suitable for 2 slice RiscPC. These are fully overhauled and guaranteed. The price is £39 exchange plus £8 UK carriage.

Your existing power supply must be complete and in good physical condition, no dents or holes in casing, etc. We can normally arrange to send the new unit in advance so that if it is still working you don't need to be without your computer.

High rated power supplies

These use the standard Acorn casing but are completely rebuilt and fitted with new, higher rated, internals. They have a much higer output than the normal power supplies to cope with all the additional devices fitted to many RiscPCs, PC card, CR re-writer, additional hard drives, multiple podules, etc.

The picture shows an APDL power supply fitted in a RiscPC. Note that the old single fan is removed and replaced by two separate fans positioned to give better airflow distribution. The main fan is speed controlled to reduce noise. It is positioned to ensure that air is directed over the video circuitry, which was shielded by the RAM with the old single fan. This greatly improves stability if the video circuit is driven near to its limits as is often the case with large modern monitors. The smaller front fan is positioned to ensure cool air flows over the hard drive since modern 7,200 or 10,000 rpm. drives can generate much more heat than older 5.400 rpm. models and can get extremely hot. This can have a serious effect on both drive reliability and longevity.

Prices are -
Your power supply   140 watt     200 watt  
103 watt in working order £49 £73
65 watt or not working £55 £79

In each case please add £8 UK carriage.

Your existing power supply must be complete and in good physical condition, no dents or holes in casing, etc. We can normally arrange to send the new unit in advance so that if it is still working you don't need to be without your computer.




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