search for: ata_udma3

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2013 Feb 01
1
stable/9: Force ada1 to UDMA-33
Hello, I've got a (P)ATA disk in a special frame. The disk itself supports UDMA-100 (and has an 80-ribbon cable), but the frame isn't compatible with that. By default, FreeBSD negotiates UDMA-100, and the console starts to fill with ICRC errors. In the past, I used a patch to ata-all.c that enabled the following entry in loader.conf to force the disk to UDMA-33, so it worked fine: