asus a7v8x-x will not boot with 3v battery installed

Discussion in 'Hardware' started by postrophe, May 28, 2009.

  1. postrophe

    postrophe Private E-2

    OK, this is very strange to me, hopfully someone here can enlighten me.

    A freind asked me to look at his new old pc he just recently got. After using it for awhile I figured I knew what the problem was. I pulled the flat 3v battery out and checked it with volt meter, it read 0.17v. No problem, I have many spares I've pulled from computers I've tossed. Since I had the meter out, I started checking the spare 3v batteries. They varied from 1.2v to just over 3.3v. The one I was trying read 3.28 on the meter, that should work.

    I could not get the pc to boot with new battery always hangs at PNP INIT COMPLETE. It wasn't froze up cause pressing DEL would enter bios, and CTRL+ALT+DEL would restart it. After quite awhile of messing with settings in bios and clearing cmos and everything else I could think of I gave up and walked away for awhile. When I came back to the pc I hit the power botton, booted right up with no battery installed. I used the computer for hours without even the smallest of problems. I Restarted a few times during that time since I was installing programs. When I was done installing, I popped the side back off and put the new battery back in and it went right back to not booting past the PNP INIT COMPLETE. Runs like a champ with no battery. So I tried every battery I had, the last one let the pc boot all the way up. Just so happens the last one was a KTS at 2.47v. The origional one was also a KTS. I tried 8 assorted batteries from Sony, Maxell, some with Korean type writing on them. Volts ranged from 3.38v to 1.2v and all are cr2032. What the hell?!? Everything I've read about this motherboard so far mostly says its a picky bastard, especially with the ram, but a friggin battery? Come on, really? How the hell can it tell one battery from the other. The pc is running fine now, I was just wondering if someone could even attemp to explain this to me for my sanitys sake.
     

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