P9X79 with GTX760: recently added DDR3 stick causing strange error

csharpe1234 · Nov 28, 2014

Hello all,

Motherboard is P9X79, using GTX760. originally had 1 x 8GB DDR3 kingston in slot B1 (computer wouldn't boot with this graphics card if stick was in slot A1, took me a while to figure that one out!). So i have placed the 2nd stick (new) of DDR3 8GB kingston into slot B2 right next to the original.

boots up fine behaves fine but now i get a strange intermittent error where the screen blacks out (no signal to monitor) and then comes back to life instantly but gives error:

i thought this was due to the old driver being installed (screenshot above is after installing new driver), but alas after installing new graphics driver still same intermittent problem. So far i've noticed the temporary crash happens at start up or close to it. after running for a while it doesnt seem to happen.

any suggestions?
different RAM slot?
put up with it?

thanks

voyboyfan · Nov 28, 2014

i'm not sure but i think it's because those sticks aren't meant to be used in dual-channel.
i used to use 1 1gb 667 mhz ram and 1 2gb 800 mhz ram, no driver was working.
you should just use 1 stick for now.

csharpe1234 · Nov 29, 2014

so you can't use two kingston 8GB DDR3 1600mhz sticks at the same time? Is that specific to my motherboard only, or all?

can i put it in a different slot on the mobo? would it make a difference?

thanks

voyboyfan · Nov 29, 2014

Do you have 4 slots in your motherboard? If yes then put 1 stick under *color* and the other 1 other another color.

mdd1963 · Nov 29, 2014

If you are going to use but two sticks of memory in a triple channel MB, the manual says they should be inserted in D1 and B1, both of which are white slots, by the way....

your manual---- http://dlcdnet.asus.com/pub/ASUS/mb/LGA2011/P9X79/E8038_P9X79.pdf

see page 2-5 for picture.....

csharpe1234 · Nov 29, 2014

the motherboard has 8 ddr3 slots. from left to right A1 A2 B1 B2 D2 D1 C2 C1

originally i had one stick of 8GB DDR3 in slot A1. computer would not power up at all if GTX760 was installed (other GFX cards booted fine). I eventually troubleshooted and found that DDR stick had to be in B1 for computer to boot with GTX760. happy days.

Recently bought 2nd identical stick of DDR3, put it into B2 slot. had errors as above. (if i put it into B2 is that given a specific configuration name?)
Just now removed from B2 and placed into C1. Seems to be working okay so far, but its only 30mins into use.

Thanks

csharpe1234 · Nov 29, 2014

thank you mdd1963

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