OWC Mercury Helios+E2, 240GB Informations techniques télécharger pdf (Page 17)

Q. My PCIe card has lower performance than expected when installed

in Helios.

 •Thunderboltoersupto10Gb/sbandwidthforPCIe.Thisis

 morethanenoughbandwidthformostcards.Somecards,

 however,mayrequiremorethan10Gb/sofbandwidthandmay

 notoperateatfullspeed.

 •ConnectingmultipledevicesinaThunderboltchaincanaect

 theoverallperformance.EachdeviceaddedtotheThunderbolt

 chainwilladdlatencyandreducethebandwidthavailableinthe

 chain.Higherperformingdevices,suchasHelios,shouldbeas

 closetothebeginningofthechainaspossible,closesttothe

 computer.

  oMoveHeliostothebeginningofthechain,closesttothe

  computer.

  oRemoveonedeviceatatimefromtheThunderboltchain

  tondthearrangementthatprovidesthebest

  performanceforyourneeds.

Q. I updated to a newer version of OS X and now Helios doesn’t work.

 •Heliosisdriverless;nodriverisneededfortheenclosureitself.

 •PCIecardsthatarenotAHCIcompliantrequireThunderbolt-

 awaredrivers.ThesemaybebrokenbynewerMacOSXversions.

  oCheckwiththePCIecard’smanufacturertoverifythe

 currentdriveriscompatibleorforanupdateddriver

 beforeupgradingtheMacOSXversion.

Q. I connected the OWC Mercury Helios to my Mac, but it did not

power up and is not being seen in System Information.

 1.Checkthepoweroutletwithaknown-gooddevicesuchasa

 lamp.

 2.Checktheportonyourcomputertomakesureitisa

 Thunderboltport.Alsocheckthecableyouareusingtomake

 sureitisaThunderboltcable.

 MiniDisplayPort(MDP)hasthesamephysicalconnectionas

 Thunderbolt.HelioswillnotworkconnectedtoaMDPportor

 withaMDPcable.

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OWC Mercury Helios+E2, 240GB Informations techniques Page 17