Troubleshoot your red rocket, Warning about x8 lane requirement, Symptom – RED ROCKET User Manual
Page 29: Explanation, Potential resolution, Thunderbolt chassis installations, Red rocket installation instructions

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RED ROCKET INSTALLATION INSTRUCTIONS
955-0035, REV-B
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WARNING ABOUT X8 LANE REQUIREMENT
SYMPTOM
REDCINE-X PRO displays the following warning: “RedRocket # is in a 4x PCI-Ex Lane. The RedRocket requires
an 8x lane to perform properly.”
EXPLANATION
This warning indicates that the RED ROCKET is installed in a lane slower than a x8 slot. For example, if your
RED ROCKET is installed in a Thunderbolt chassis, you will see this error because Thunderbolt is limited to x4
open lane speeds.
POTENTIAL RESOLUTION
If the computer has a x8 slot, install the RED ROCKET in the x8 slot.
If your RED ROCKET is installed in a Thunderbolt chassis, you will see this error because Thunderbolt is
limited to x4 open lane speeds.
To disable this warning, go to REDCINE-X PRO > RED ROCKET icon, and deselect the Show Rocket Error dialog
on startup check box.
THUNDERBOLT CHASSIS INSTALLATIONS
MAC PRO DOES NOT RECOGNIZE RED ROCKET IN THUNDERBOLT CHASSIS
SYMPTOM
You install the RED ROCKET driver and firmware, but the Mac Pro does not recognize the RED ROCKET.
EXPLANATION
During both the driver install procedure and the firmware install procedure, the installer prompts you to restart
the computer. You must disconnect power from the Thunderbolt chassis during the restart process.
POTENTIAL RESOLUTION
When the installer prompts you to restart your computer during both the driver install procedure and the firm-
ware install procedure, disconnect and then reconnect power to the Thunderbolt chassis during the restart
process.
D
TROUBLESHOOT
YOUR RED ROCKET