Legacy PCI needs to be turned on...

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TGRHavoc

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May 17, 2014
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If someone could please help me with turning the "Legacy PCI" on that would be much appreciated.
I have been told that the manual for my MOBO should have clear instaructions on how to do this, however the only PCI mentioned in the manual is "PCI1 IRQ Assignment".
MOBO: Gigabyte GA-78LMT-USB3 AMD
 
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Zooshooter

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Feb 8, 2013
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No, you probably won't either. The system will just see it as a pci slot. Legacy PCI could mean a lot of different things. Now that PCIe is out anything that is just PCI can be considered legacy, so just look for PCI in the BIOS and make sure that both PCI slots are active/turned on/whatever the BIOS option is.
 
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Traildriver

Traildriver

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Hardware components are enabled / disabled in the BIOS. If there is no "enable/disable" option for the PCI slot (ignore the word legacy) then it's always "enabled".

Have you tried a PCI card in the slot and does the operating system detect it when the PC is powered up again? If so then all you need is to install the drivers to make the PCI device fully functional
 
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TGRHavoc

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Where would I find the option to turn them on? On the main menu I have the following options:
MB Intelligent Tweaker (M.I.T)
Standard CMOS Features
Advanced BIOS Features
Integrgrated Peripherals
Power Management
PnP/PCI Configurations <- Only thing in here is PCI1 IRQ Config
PC Health Status
 
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TGRHavoc

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Yes, and it does however, the card is constantly making the system crash. I asked the guy at the store and he said to make sure that the Legacy PCI is turned on in the BIOS as that might solve the issue with the card.
 
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Traildriver

Traildriver

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What is this card? What is the operating system?

Sounds like the card is bad. Is it fully inserted? Clean the contacts and try again. Is it even compatible with the operating system. Some older cards will have that problem.
 
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TGRHavoc

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The card is a nVidia GTX 660 and the operating system is Windows 7. Yes, it's cleaned and yes, it's fully inserted.
I originally thought it was a bad card, that's why I asked the guy in store, he told me that this would be the solution.... Was he wrong?
 
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Traildriver

Traildriver

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So... you powered down and unplugged the PC. Put the card in the PCI-E slot (blue) and made sure the clip on the end was put fully in place. Plugged in a power cable to the video card. Attached your monitor to the new card?

What video source were you using before? Onboard? Then did you disable onboard graphics in the BIOS while the PC was restarting after putting in the new card? The PC should boot into your OS using generic drivers and you then have screen activity? Install the drivers next?
 
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TGRHavoc

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Yes, I put it into the PCIe slot (only one it fits). Plugged in 6-pin power cable (Also labbled "PCI-E" just in case I didn't know). I then booted up the pc. When the OS loaded, I went to the official website and downloaded the drivers. I installed the drivers. Pc restarts. OS loads, when I logg in it either loads for 5 mins then system crashes and restarts, or it immidiently restarts. Would turning the onboard graphics to disabled really make a difference?
 
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Traildriver

Traildriver

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Completely uninstall all the video drivers (both sets - MB video driver and the new drivers) and restart the PC. Let the OS detect the new card and install it's drivers then reinstall the card's specific driver set again (making sure it is the right one for the operating system, 32 bit vs 64 bit).
 
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TGRHavoc

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Ok, I opened Device manager (http://i62.tinypic.com/29m4vfn.jpg), opened up the "Display Adapters" and uninstalled "NVIDIA GeForce GTX 660". The screen then went black (Assumed that driver was sucessfully un-installed). System then booted up from VGA.. Windows boots up, I enter the password. System restarts.
 
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