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The Icon Bar: General: Hard Drive for Risc PC
  Hard Drive for Risc PC
  ad (13:44 18/1/2020)
  nunfetishist (09:02 20/1/2020)
    Phlamethrower (22:29 22/1/2020)
      CJE (16:43 23/1/2020)
        cmj (17:07 23/1/2020)
Andrew Duffell Message #124703, posted by ad at 13:44, 18/1/2020

Posts: 3262
I'm wanting to replace a RiscPC hard drive. Current one is a 2003 Maxtor 80GB IDE drive. I don't need more capacity, but am concerned that with the age I don't want to end up with a data loss.
What is the best option these days? It would also need to be possible to copy data across.
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Rob Kendrick Message #124704, posted by nunfetishist at 09:02, 20/1/2020, in reply to message #124703
Today's phish is trout a la creme.

Posts: 522
I'd probably look at picking up a cheap IDE to CF adaptor - but I think if you want to go beyond 64GB the CF becomes silly money.

IDE to SATA adaptors exist, and I assume even though you can't buy anything even remotely as small as 80GB these days you can just ignore the excess of the disc - pop both drives into a PC, boot Linux, use dd to copy the old drive to the new verbatim.
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Jeffrey Lee Message #124714, posted by Phlamethrower at 22:29, 22/1/2020, in reply to message #124704
PhlamethrowerHot Hot Hot Hot Hot Hot Hot Hot Hot Hot Hot Hot Hot stuff

Posts: 15100
One thing to watch out for is that for many years there was a "bug" in ADFS which could cause it to report "Disc error 20" when used with CF cards (and potentially SATA drives or even newer PATA ones, although I can't remember if anyone reported problems with those).

If you're running RISC OS 3.50/3.60/3.70/3.71/4.02 then ROOL's ROM patches contain a suitable fix. ROOL don't have a direct download for these, but you can fish them out of the relevant !Boot.xxxHook folder in the harddisc4 archive (available from this page - any of the versions should do, since the bug was fixed a couple of years ago now). With that installed in your boot sequence, generally you should be OK to boot from the CF card (the patches are loaded early on in the boot sequence, so there's little chance of failure before then).

(I say "bug" because it's actually the result of a change in specification - older ATA specifications mandated that the drive responds quickly for some operations, which ADFS was checking for, but newer versions of the spec dropped that timeout)
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Chris Evans Message #124715, posted by CJE at 16:43, 23/1/2020, in reply to message #124714
CJE Micros chap
Posts: 228
Unless the problem only happens on writing, then there is the catch 22 problem that you won't be able to access the drive to load the patch.

When we find some time I'll try and do some tests with the various adaptors and cards we have here.(Thanks for link Jeffrey)

An IDE to SD card interface is an alternative but there seem to be only two companies that mad the chips used and the one that worked on the Acorn IDE bus is defunct and the remaining one isn't compatible.

The other alternative is a third party IDE interface e.g. ZIDEFS most if not all are compatible with almost any CF card/SD interface.

[Edited by CJE at 16:45, 23/1/2020]
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Chris Johns Message #124716, posted by cmj at 17:07, 23/1/2020, in reply to message #124715
Posts: 9
Unless the problem only happens on writing, then there is the catch 22 problem that you won't be able to access the drive to load the patch.
I read it to mean that you were loading the patch early and so relying on a bit of luck that the bug wouldn't manifest itself before you managed to do so.

[Edited by cmj at 17:08, 23/1/2020]
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The Icon Bar: General: Hard Drive for Risc PC