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 Question About PCI Express Standard Root Ports ? 
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Joined: Mon May 28, 2012 12:25 pm
Posts: 106
Post Question About PCI Express Standard Root Ports ?
System: FitPC3 Pro
OS: Win7 Home Premium 32bit
Drive: Toshiba 256Gb SSD
System Drivers: All Compulab recommended
Bios Version: BZ_2.1.0.338_8 X64 Build Time: 03/02/2012

Normally, Device Manager indicates a quantity of 3 PCI Express Standard Root Ports as follows:PCI bus 0, device 21, function 0; PCI bus 0, device 21, function 1; and PCI bus 0, device 21, function 2.

However, on one occasion when I awakened my FitPC3 from sleep state I was greeted by the message:

Device driver software was not successfully installed
PCI Express Standard Port X Failed

A review of Device Manager revealed a new 4th PCI Express Standard Root Port with the following parameters: PCI bus 0, device 8, function 0.

After a reboot, the system reverted to a quantity of 3 ports and no more error messages have occurred.

What is the correct number of ports for FitPC3 Pro ?

Does the 4th port that was indicated exist, or was it a phantom ?

If it does exists, what is its system function ?


Sat Aug 24, 2013 11:34 pm
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