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Acorn Arcade forums: General: Missing CD Drive after Risc PC battery replacement
 
  Missing CD Drive after Risc PC battery replacement
  ad (08:25 19/4/2023)
  arawnsley (08:56 19/4/2023)
    ad (11:28 19/4/2023)
      CJE (12:27 20/4/2023)
        ad (11:08 21/4/2023)
 
Andrew Duffell Message #125423, posted by ad at 08:25, 19/4/2023

Posts: 3262
I replaced a leaky battery on a Kinetic Risc PC, but when booting it back up the CD drive no longer appears on the icon bar.

I'm assuming it was saved in the battery backed storage. Can anyone advise the process for adding it again please? (I think the machine is running RISC OS Select)
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Andrew Rawnsley Message #125424, posted by arawnsley at 08:56, 19/4/2023, in reply to message #125423
R-Comp chap
Posts: 595
There's a chicken/egg problem (or at least was - Select might help). *configure CDROMdrives is what you want, but you can't issue it unless CDFS is available. But if no CD drives are configured, CDFS is disabled...

The solution is to set a bit in CMOS using a BASIC program or similar. Somewhere I have a "SetOneCD" program for this purpose. But I think it is on a floppy for RiscPC-fixing, and not here unhappy

The "easy" solution is to configure it via !Boot/!Configure. If you set a CD via !Configure, (discs section) then the CMOS bit is set automatically.

You *might* be able to *rmreinit CDFS and then *configure cdromdrives maybe? Not tried.
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Andrew Duffell Message #125425, posted by ad at 11:28, 19/4/2023, in reply to message #125424

Posts: 3262
Thanks Andrew. I'll give that a go.
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Chris Evans Message #125427, posted by CJE at 12:27, 20/4/2023, in reply to message #125425
CJE Micros chap
Posts: 228
Google found:https://stardot.org.uk/forums/viewtopic.php?p=389417#p389417

*FX 162,138,1

Though I thought it was only needed on early versions of RISC OS 3.5 and/or 3.6. A Kinetic will be RISC OS 4.03 or later.

[Edited by CJE at 12:33, 20/4/2023]
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Andrew Duffell Message #125429, posted by ad at 11:08, 21/4/2023, in reply to message #125427

Posts: 3262
I did the rmreinit command, then looked in settings, and found a setting for CD drives. Clicked it up to "1" and the CD drive is there now. I rebooted, and the setting was retained.

Thanks for the help.
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Acorn Arcade forums: General: Missing CD Drive after Risc PC battery replacement