MMC/SD for older devices

From	Paul Stewart <phorefaux@gmail.com>
Newsgroups	comp.sys.acorn.hardware
Subject	MMC/SD for older devices
Date	2025-09-30 08:22 +0100
Organization	A noiseless patient Spider
Message-ID	<1f6859645c.Paul@phorefaux> (permalink)

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Hi all,

Having recently suffered an MMC failure(thankfully not too drastic as MMC 
as just gone into read only mode) I am looking for to hear from peoples 
experience with different storage mediums and adaptors.

For ease I have switched to another older and slightly slower MMC for the 
time being, but will be looking to replace with something else.

If you not guessed from my footer this will be for my A9home.  This has 
two internal 44 pin IDE interfaces, both of which can by quite picky as to 
what they will work with!  My MMC adaptor approach has worked for many 
years, just wondering if I should stick with this approach or try 
something else?

Currently I have a MMC adaptor connected to the 2nd interface via  short 
cable(the interfaces being picky as they are, will not work when connected 
to the other interface!).  Looking on Amazon and Ebay, I can see there are 
44 pin IDE to SD adaptors and m.2 adaptors.  Has anyone had success with 
using these type of adaptors?

Also is an SD card more robust then the MMC card when being used as the 
main hdd?  If the SD card were to fail, would it also go into read only 
mode, or just die a death?  My failing MMC is a SanDisk Extreme Pro.  I'm 
guessing will depend on the brand.

Any thoughts much appreciated.

-- 
Paul Stewart
Sent from A9home running RISC OS 4.42

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Thread

MMC/SD for older devices Paul Stewart <phorefaux@gmail.com> - 2025-09-30 08:22 +0100
  Re: MMC/SD for older devices Theo <theom+news@chiark.greenend.org.uk> - 2025-09-30 12:45 +0100
    Re: MMC/SD for older devices Stuart <Spambin@argonet.co.uk> - 2025-09-30 21:30 +0000
    Re: MMC/SD for older devices druck <news@druck.org.uk> - 2025-10-01 21:52 +0100
      Re: MMC/SD for older devices Paul Stewart <paulstewart@phawfaux.co.uk> - 2025-10-03 22:29 +0100
        Re: MMC/SD for older devices Theo <theom+news@chiark.greenend.org.uk> - 2025-10-04 09:39 +0100
          Re: MMC/SD for older devices Paul Stewart <phorefaux@gmail.com> - 2025-10-04 21:38 +0100
            Re: MMC/SD for older devices Theo <theom+news@chiark.greenend.org.uk> - 2025-10-05 11:09 +0100
          Re: MMC/SD for older devices Paul Stewart <phorefaux@gmail.com> - 2025-12-29 16:25 +0000

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