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How to disable UDMA for HDD?
- Subject: How to disable UDMA for HDD?
- From: stevan.tiefert at freenet.de (Stevan Tiefert)
- Date: Mon Aug 9 02:12:05 2004
when I try to install FreeBSD 5.2.1 on my computer with HDD on ata0-master and
CD-ROM on ata0-slave I got five interessting messages during the
ad0: 4124MB <SAMSUNG VA34323A> [8938/15/63] at ata0-master UDMA33
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=8446347
ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=0
ad0: WARNING - READ_DMA interrupt was seen but timeout fired LBA=8446347
ad0: WARNING - READ_DMA interrupt was seen but taskqueue stalled LBA=8446347
then the computer stops and he resists in this state till now...
OpenBSD "downgrades" this DMA-thing automaticly and the CD-ROM seems not
supporting UDMA and I assume to set at bootphase 3 a device.hint but I don't
know which one?
deltree /y c:\windows
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