[iyonix-support] Re: Caveat - a salutory tale
- From: "Gerald Dodson" <gerald.dodson@xxxxxxxxxxxxx>
- To: iyonix-support@xxxxxxxxxxxxx
- Date: Sun, 7 Feb 2010 17:27:32 -0000 (UTC)
> Hi All
>
> A slight caveat ref re-flashing a rom:
>
> I have had one (Just 1) machine back that failed its re-flash. The
> reason was straight forward - the power supply was on its very last
> legs. The machine had, since Christmas or so suddenly started to be less
> predictable than usual. The customer re-flashed to 5.16, the rom had
> erased, then refused to re-program as the power supply was too low (a
> built-in protection within the flash rom). (FYI the power supply read
> 4.97v on the 5v rail (red to black) at power up, and drooped further
> with time. A good PSU NEVER reads this low, and stays constant with time
> and indeed load).
>
> The moral of this story: .. If you are getting unexpected /
> uncharacteristic behaviour from your Iyonix, do not re-flash until you
> have confirmed you have a good power-supply.
>
> On the other hand, you WILL have to re-flash with RISC OS 5.16 to
> overcome the 2101/2012 etc date issue.
>
> I still have the capability to re-program motherboards that have failed
> to re-flash. If you need this service please contact me.
>
> John
> --
> John Ballance C.Eng MIET (Support) - jwb@xxxxxxxxxx - 07976 295923
>
> John says: Shrink household bills by up to 30%? -> Have you looked here?
> <http://www.ucallusave.co.uk>
>
> Too Much Month at the End of the Money? Look at this!
> <http://www.johnballance.co.uk>
>
A timely posting. I have held off re-flash as the machine I bought from
Tony Lister's widow (he died in March 08 having bought the machine from
you only about about 6 months previous to his death) has had occasional
disc errors usually bad map which when checked is not detected by any
check routines.
I have run an exhaustive test program of Martin Avison's, which repeatedly
writes a large file to disc, but without any failures.
Apart from checking voltage is there any other test I could use?
Gerald
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