tmanz
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- Feb 15, 2015
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So you've got a brand new dashcam. You're ready to record the driving world, protect yourself, and show all those 'other' drivers that they need to go back to driving school. Most of us know that we need fast memory to support our camera's capability, so we buy the most reputable card, and of course it must be class 10 or above! Plop it in and all is well right? - not all the time. Generally our memory cards go through rigorous tests before they fly out from manufacturing, but a lot can happen between then and once its nestled securely in our cameras.
In order to ensure your card is fighting fit perform a speed test and check for bad blocks on your card. This should be done periodically across the lifecycle of the card, before placing it in your cam and afterwards. How often you check your card is up to you. The aim is to catch a failure before it corrupts your data.
Tools of the trade - formatting and checking for bad blocks:
In order to ensure your card is fighting fit perform a speed test and check for bad blocks on your card. This should be done periodically across the lifecycle of the card, before placing it in your cam and afterwards. How often you check your card is up to you. The aim is to catch a failure before it corrupts your data.
Tools of the trade - formatting and checking for bad blocks:
- (Win - my personal favorite) Rufus - https://rufus.akeo.ie/ : normally used for creating bootable drives, this is still an excellent tool to format disks and check for errors. To format, uncheck boxes for bootable disk and creating extended labels. To check for errors, select the number of passes (this takes A LONG time depending on capacity - do it overnight, this tool does not show read/write speeds)
- (Win) H2testw - Google Translate Website : the standard for testing for fake memory and errors, shows speed of memory.
- (Mac) sdspeed - Website : mac version of H2testw, shows speed.
- Class 10: 5 MB/s, for Full HD (1080p) video recording and consecutive recording of HD stills (high-speed data bus)
- UHS Speed Class 1 (U1): 10 MB/s, for Real-time broadcasts and large HD video files (UHS bus)
- UHS Speed Class 3 (U3): 30 MB/s, for 4K video files (UHS bus)
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