Firmware 1.7.x.x vs 1.8.x.x - timings

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SirDavid
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Joined: Thu Dec 01, 2016 8:30 pm

Firmware 1.7.x.x vs 1.8.x.x - timings

Post by SirDavid » Thu Dec 01, 2016 9:41 pm

Hi!
I'm using SD HxC rev. C mostly with SAM Coupe, but also with Amstrad CPC6128 and Amiga 500. Recently I have updated the firmware from 1.7.1.2 to 1.8.2.40 and since then read/write speed is too slow on SAM (about two times slower than it should be). I've tried 1.8.6.14a and 1.8.2.36 also, but nothing has changed. The speed is OK on CPC and Amiga. SAM reads disks in a different way, first it reads all tracks on side 0, and then on side 1 (other computers read track on both sides one after another). What could be the reason? Bad timings? Anything else? Any chance to fix firmware 1.8.x.x or I should go back to 1.7.x.x?

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