Motherboard dual gfx power question

Posted by user33931 on Super User See other posts from Super User or by user33931
Published on 2010-04-11T23:44:33Z Indexed on 2010/04/12 8:03 UTC
Read the original article Hit count: 164

Filed under:

Hardware

|

motherboard

|

asus

|

power-supply

1st, I am software guy. I do not do hardware. So I know to you hardware geeks, this is a dumb question. I just inherited a box with a ASUS P5GZ-MX mother board. I have attempted to install two nVidia PCI video cards. I put a 750w power supply in the system to be sure I have enough power. With no extra video cards, the 3.3 v shows normal. When I put one card in, the 3.3 goes to 3.5-3.6 and flashes red (over voltage) about 30% of the time. When I put the 2nd card in, it goes to 3.73 v and stays red all the time. Any Ideas why the voltage goes up when I add cards instead of going down? More Importantly, is this dangerous to the system?

© Super User or respective owner

Related posts about Hardware

Older SAS1 hardware Vs. newer SAS2 hardware

as seen on Oracle Blogs - Search for 'Oracle Blogs'
I got a question today from someone asking about the older SAS1 hardware from over a year ago that we had on the older 7x10 series. They didn't leave an email so I couldn't respond directly, but I said this blog would be blunt, frank, and open so I have no problem addressing it publicly. A quick… >>> More
Installer Reboots at "Detecting hardware" (disks and other hardware) on all recent Server Installs

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
I have a very frustrating problem with my PC. I cannot install any recent version of Ubuntu Server (or even Desktop) since 9.04 even using the text-based installer. I boot from a USB stick created by Unetbootin (I also tried other methods such as startup disk creator with no difference). On the Server… >>> More
Difference between "machine hardware" and "hardware platform"

as seen on Stack Overflow - Search for 'Stack Overflow'
My Linux machine reports "uname -a" outputs as below:- [root@tom i386]# uname -a Linux tom 2.6.9-89.ELsmp #1 SMP Mon Apr 20 10:34:33 EDT 2009 i686 i686 i386 GNU/Linux [root@tom i386]# As per man page of uname, the entries "i686 i686 i386" denotes:- machine hardware name (i686) processor type (i686) hardware… >>> More
Remove hardware from "safely remove hardware" list on Windows 7

as seen on Super User - Search for 'Super User'
Hi, I have a USB wifi card (D-Link DWA-125) on a Windows 7 x64 computer. The problem is that the card appears on the "safely remove hardware" list, but I don't ever want to unplug it, so I would like to remove it from the list. So far I have only found solutions that mess with the registry (and… >>> More
Windows 7 Not Recognizing Any Hardware, Linux Recognizing Hardware

as seen on Super User - Search for 'Super User'
I have a new desktop computer with two SSDs: one running Linux Mint 15 (SSD1), the other running Windows 7 (SSD2). My mint runs perfectly - USB wireless adapter is recognized, SSD2 (connected by SATA) is recognized and accessible through the filesystem, Ethernet works, etc. However, my Windows 7… >>> More

Related posts about motherboard

Motherboard Wiring

as seen on Super User - Search for 'Super User'
HI All, I bought a new case to put a motherboard in. Everything fits, I have done this before, but not in a long time! The case has wires for - Power SW - Reset SW - Power LED - HDD LED On the motherboard (ASUS M2NPV-VM) it is clearly labeled where these go, but I cannot remember where the black… >>> More
xfx 680i motherboard failure?

as seen on Super User - Search for 'Super User'
At some point last night we must have had a blip in our power, as the stove clock was blinking like it would had their been... a blip in the power. When I came into my office this morning, my desktop computer was powered down and would not turn on. Cracking the case, I can see a small blue blinking… >>> More
Current Motherboard Tech Overview

as seen on Super User - Search for 'Super User'
Welp, computer died. Time to get a new motherboard. I haven't been paying attention to the latest motherboard technology and associated models and chipsets. Can someone point me at an overview of what is currently available? I'm primarily interested in the Intel / nvidia side of things. >>> More
Processor with higher FSB than motherboard can support.

as seen on Super User - Search for 'Super User'
Hi all, Please redirect me if there is a similar question, but I have an ECS P4VXASD2+ (V5.0) motherboard, which supports a 533 MHz FSB. I want to put in a Pentium 4 3.2 GHz processor (Socket 478) with an FSB of 800 MHz. Would this be possible? Would the FSB of the processor just be limited to 533… >>> More
How to get Processor and Motherboard Id ?

as seen on Stack Overflow - Search for 'Stack Overflow'
I use the code from http://www.rgagnon.com/javadetails/java-0580.html to get Motherboard Id, but the result is "null", <1 How can that be ? <2 Also I modified the code a bit to look like this to get processor Id : "Set objWMIService = GetObject(\"winmgmts:\\\\.\\root\\cimv2\")\n"+ … >>> More