AGP voltage from 1.5 to 1.6 = !
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Original Message
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Name: paalernspaalern
Date: February 6, 2003 at 11:17:09 Pacific
Subject: AGP voltage from 1.5 to 1.6 = !
OS: Win XP Pro
CPU/Ram: 512 PC3200
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Comment: Oh dear! I got low scores with my newly installed Abit NF7-S with Win XP Pro and ATI 9700 Pro card in 3dMark 2k (6800 points!). I experimentet with the AGP voltage in Bios - put it from 1.5v to 1.6v). After this, my system wont boot - the fan spins, but that about all it does - no startup "beep" - is my AGP port burned out?
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Response Number 1
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Name: Alastor
Date: February 6, 2003 at 11:44:02 Pacific
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Reply: (edit)Your port may be fine, it is possible that simply defaulting your BIOS/CMOS settings will enable you to restart your system. There is usually a jumper on the motherboard that allows you to do this, but you will need to refer to the mobo manual to be sure. HTH Alastor
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Response Number 3
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Name: Derk
Date: February 6, 2003 at 14:57:58 Pacific
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Reply: (edit)To be 100% shure the Bios is reset: 1)Unplug everything from your mobo
2)Take out the round 3 volt Lithuim Batery
3)Take a metal paperclip and short out were the Batery goes
4)Put the Batery back in
5)Plug everything back into mobo
6)Start her up!!!
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Response Number 4
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Name: paalernspaalern
Date: February 6, 2003 at 15:45:37 Pacific
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Reply: (edit)Oh no! Even a total reseting of the bios by removing the battery didn't pay off... If adjusting the AGP voltage from 1.5 to 1.6v really destroys the mb without any warning, maybe Abit should have mentioned It in the users guide. Hmmm... well they obviously didn't think of such a creative way to blow the mb... anyone heard of anything like this? :-)
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Response Number 5
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Name: Alastor
Date: February 7, 2003 at 06:21:34 Pacific
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Reply: (edit)I dont mess with the voltages very often so I have never had any problems like this. Is it possible that the increase in voltage could have damaged the video card and not the port? It seems logical to me(if someone knows otherwise please post) that the AGP port would be less sensitive to an increase in voltage than would the video card itself. Do you have another machine to test your ATI with, or another video card to put into your current box? Alastor
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Response Number 6
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Name: paalernspaalern
Date: February 8, 2003 at 04:33:59 Pacific
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Reply: (edit)I also tested the mb with two graphics card - same result - the strange thing is that I can't find this situation described anywhere on the web...
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Response Number 7
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Name: Barry Stouffer
Date: February 10, 2003 at 16:33:32 Pacific
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Reply: (edit)well now this does not look good, when you tried other video cards did you clear POST? Were there any beeps during POST? Usually one long beep is a bad video warning. Before I toss the board I would try a PCI video card just to see if in fact the AGP bus is bad. Maybe at least you could get to the BIOS with a PCI card and reset the BIOS then try the AGP card again.
Good Luck!
Barry
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Response Number 8
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Name: mgearthly
Date: March 11, 2003 at 11:12:26 Pacific
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Reply: (edit)If the MB BIOS Setup allows to increase the AGP voltage to 1.6 V it is not logical that this change may damage the MB or the card. Check the MB for a possible loose jumper or a bad terminal or contact in the card slot. Also, the BIOS may have changed to a default option of PCI in the card type setup. Try a PCI video card as Barry suggest above to verify this. Then reset the BIOS to AGP and reboot the PC.
mg
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