https://dfarq.homeip.net/diamond-rio-pmp300/?utm_source=rss&utm_medium=rss&utm_campaign=diamond-rio-pmp300 David L. Farquhar on technology old and new, computer security, and more Fri, 19 Sep 2025 11:10:04 +0000 hourly 1 https://dfarq.homeip.net/diamond-rio-pmp300/#comment-56620 Wed, 18 Sep 2024 16:07:18 +0000 https://dfarq.homeip.net/?p=35857#comment-56620 The most serious problem with the Diamond Rio PMP300 was the battery latching clip. It broken on mine after a couple years. Most people had this issue eventually. I’m surprised the one in the photo doesn’t have a broken battery clip door hanging open.

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