Subj : trouble with old micr sd cards, anyone? To : August Abolins From : Dave Drum Date : Sat Sep 21 2019 10:57:54 -=> August Abolins wrote to Dave Drum <=- AA> In a post between "Dave Drum : August Abolins", on 9/12/2019 3:49 AM > I've no direct experience with degradation of SD cards - micro or std. > > But, I've had lost data/corrupted data on nearly everything else. Heat, > bright light and cosmic rays seem to play some role. I've even had CDs > and DVDs get trashy parts on me. AA> Are those your own burned CDs or DVDs? My commercial CD collection AA> from when I first started buying those things in the 80s, still play AA> beautifully. Both - more so with the early Dave-made stuff. The later examples, done with a much better writer have had less problems but still are nowhere near perfect. And some of the "factory" optical media have developed garbles and drop-outs. > Having been bitten more than once I've adopted a practice of copying > "important" files onto a separate device/medium then use a file comparison > utility to check the result. AA> copy /v ..very handy. AA> But doesn't the traditional gui drag-drop process automatically do a AA> verify? Sorta-kinda but this is Microsnot we're talking about here. I use a nice freebie called "Winmerge" downloaded from Source Forge. > .. Amiga made it possible. Commodore made it dead. AA> Which reminds me, I have a wonderful Commodore calculator, SR-9190R. I AA> got it at a Consumer's Distibuting in the late 70's for about $50, AA> new. It essentially replaced my $400+ Texas Instruments programmable AA> calculator just a few short years prior to that. But the Commodore AA> has the best keys and is the only one that still works! My only Commode Door calculator is the little "stocking stuffer"/novelty that looked like a 3.5" disk and was solar powered. I sold as many of those as I could get my hands on (less the one I still have) when I had my confuser store. .... MS-DOS=suit & tie, Macintosh=cool shades, Amiga=high heels & leather --- EzyBlueWave V3.00 01FB001F * Origin: Tiny's BBS - telnet://tinysbbs.com:3023 (1:229/452) .