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780i won't recognize second gts250...

nckid4u

Well-known member
Joined
Apr 21, 2009
Messages
83
Location
North Carolina
My 780i is acting crazy. I have two gts250s. It won't recognize the second one. I am using the top and bottom slots, leaving the middle one empty) It is not the card because I can switch them and it makes no difference. If I put the stock heatsink and fan back on, the fan runs wide open on the second card. If I put my gts250 in the top slot and my 8800gt in the bottom, it recognizes both cards no problem. It is not the PSU because I had 2 gts250s and an 8800gt running together on my 680i with no problems. I also hooked up a second psu and ran the second 250 off it and no difference. What am I doing wrong or not doing???
Thanks in advance.<!-- google_ad_section_end -->
 

blogz101

Well-known member
Joined
Jul 7, 2008
Messages
49
Location
Toronto
Try to put the GTS 250's side by side( PCIe 2.0 port 1 and PCIe 2.0 Port 2). See if it makes a diff. I read somewhere that this motherboard is specific on the port of the videocard and has to be in order. Hope it helps
 

Eagle Eye

Well-known member
Joined
Dec 27, 2007
Messages
2,045
Age
36
Location
Kleinburg, ON
<TABLE border=0 cellSpacing=0 cellPadding=0 width="80%"><TBODY><TR><TD>

</TD></TR><TR><TD width=100>Bios Version : </TD><TD>P08</TD></TR><TR><TD>BIOS Date : </TD><TD>9/15/2008</TD></TR><TR><TD>Bios File : </TD><TD>NF78_P08.bin (Primary Download Link)</TD></TR><TR><TD vAlign=top>Notes : </TD><TD>The following was updated in release P08:
  • Improved nTune compatibility
  • Fixed restoring disabled device states & fan speeds after suspend/resume
  • CPU Microcode updates for Penryn CPUs
  • Fixed PCIe compatibility issue
  • Improved Fan Controls
  • Improved Memory Compatibility
</TD></TR></TBODY></TABLE>
 

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