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Upgrading Mobo, not POSTing, everything works on old Mobo

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August 28, 2011 2:27:00 AM

Upgrading my mobo from Dell Dimension 3000 Intel D865GVHZ (AA C92755-303) to so I can have AGP port [i dont want pci-e].

NEW Intel D865GLC (AA C27500-410) mobo
NEW powersupply Powercooler eXtreme Power Plus 500W
SAME Pentium 4 Hyper-Thread 3.00E GHz (L2 1MB, 800 MHz FSB, sSpec SL7PM)
SAME alternative Pentium 4 2.4GHz (L2 512K, 533 MHz FSB, sSpec SL6EF)
SAME 2 Gig of ram

EVERYTHING works with OLD mobo

will not POST or get into BIOS, just turns on and off in 1 second
black screen
no beeping
front panel lights no blinking only solid green
mobo power LED green at bottom right corner

I tried removing the CMOS battery and switching with old mobo battery already.
no jumper to reset cmos, i tried the bios password jumper.

I tried another CPU P4 2.4GHz sSpec SL6EF which is bios P03 compatible, the earliest bios version so all Intel D865GLC boards regardless of AA number are compatible.

No bloated capacitors.
a c 229 V Motherboard
a b å Intel
August 28, 2011 3:05:54 AM

Does it work with the old power supply? If not, then the motherboard is DOA and you'll need to RMA it.
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August 28, 2011 3:43:39 AM

Remove power cable for CPU supply(4 pin) and restart your Mobo?if it work properly so u have a problem in CPU power supply circuit in Mobo.All power supply using short protect circuit ,it means that when you have a problem in one of output, the power supply go to the off (protect your motherboard for more damage).
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August 28, 2011 3:57:17 AM

Well the manual says "Failure to use an ATX12V power supply, or not connecting the 12 V processor core voltage power supply connector to the desktop board may result in damage to the desktop board and/or power supply. "
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August 28, 2011 4:08:38 AM

what happen when u not connecting the 12 V processor core voltage power supply connector to the desktop board?(after re starting mobo)? same problem?
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August 28, 2011 4:13:04 AM

Well I tried anyways, old powersupply old cpu old ram, with 12V cpu plugged in and unplugged.
same prob
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August 28, 2011 4:41:02 AM

don't worry about it.(Failure to use an ............)
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August 28, 2011 4:55:50 AM

Are u testing mobo out off case?and pls remove all device and conector(cpu.ram,... from ur mobo) and restart again.
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August 28, 2011 5:12:41 AM

testing in case, tried removing all devices cpu ram
same prob.
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August 28, 2011 5:39:49 AM

Please test your mobo out of case(maybe same short circuit) and check clear password bios jumper position (1-2 is normal) and please reverse polarity of Cmos battery for clear cmos(10sec).
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August 28, 2011 6:19:36 AM

ya did that, same prob.
but that technique does not make the old mobo work either.
I think im given up, returning it. thanks
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September 13, 2011 8:39:07 PM

looks like i figured it out myself, i was upgrading a MB D865GVHZ to a D865GLC, the power switch was compatible according to the manuals, they were exact save voltages and such on the pins, but the brown wire i had to cut. it was connecting pin 9 (+5V) and pin 5 (reset). so it was resetting as soon as turned on. did not have to change anything in bios.

ALSO had to use 2 jumpers for front panel audio pin connector, so audio driver did not think headphones were plugged in and not allowing back audio from working. jumper on 5 (right out) and 6 (right channel return), 9 (left out) and 10 (left channel return).
SOLVED.
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September 13, 2011 8:41:19 PM

[fixed]
looks like i figured it out myself, i was upgrading a MB D865GVHZ to a D865GLC, the power switch was compatible according to the manuals, they were exact same voltages and such on the pins, but the brown wire i had to cut. it was connecting pin 9 (+5V) and pin 5 (reset). so it was resetting as soon as turned on. did not have to change anything in bios.

ALSO had to use 2 jumpers for front panel audio pin connector, so audio driver did think headphones were plugged in and not allowing back audio from working. jumper on 5 (right out) and 6 (right channel return), 9 (left out) and 10 (left channel return).
SOLVED.
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August 16, 2012 12:09:30 PM

boyebaran said:
Please test your mobo out of case(maybe same short circuit) and check clear password bios jumper position (1-2 is normal) and please reverse polarity of Cmos battery for clear cmos(10sec).



Wher did you find CMOS battery on the mtherboard?
Tanks Tad
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