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limit to SATA connections in mac pro? mac pro freezes on startup with second e sata card

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kevin dfraser
limit to SATA connections in mac pro? mac pro freezes on startup with second e sata card
on Mar 9, 2012 at 8:00:13 pm

Hello everyone,

I have a mac pro 2.66 ghz, with a blackmagic card, a second monitor card and a sonnet 4 ch SATA card. It's running 10.4.8. I just purchased a startech 2 port esata pci-express card (which went into slot 2, the only free slot) and the machine now won't even start up. Almost instantly I get the 'you must restart this mac.'

Removing the card and everything starts up fine. There are NO drivers that came with this - Startech says they are not necessary for 10.4.

I'm wondering

A) I have reached a limit in number of SATA connections - already have a 4 channel card installed (a sonnet) connected to a RAID

B) there may be a different slot arrangement that may work better?

C) sign of a crappy card

Anyone else troubleshooting installing ESATA cards?

Thanks,

Kevin


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John Pale
Re: limit to SATA connections in mac pro? mac pro freezes on startup with second e sata card
on Mar 9, 2012 at 10:25:13 pm

They might be competing for the same driver. You might also be exceeding the power limit on the PCIe bus.


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