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Diagnose an old 939 board, ASUS A8V-E

 
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post #1 of 4 (permalink) Old 10-02-2019, 07:24 PM - Thread Starter
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Diagnose an old 939 board, ASUS A8V-E

Trying to determine why this board won't POST. Typically i thought you relied on the speakers for these old boards to tell you something. How many beeps meant various things, but I am getting no beeps from this board.

ASUS A8V-E SE

Just died, maybe a BSOD maybe not.
Does not POST
No Beep when turning on.

Have removed all memory, the CPU, everything except power and on/off jumpers and speaker. It still powers fans from the headers, the green LED light comes on with power to it.

I haven't changed PSU but I did put a multimeter to 12v and 5v on a molex and it was good, and fans power on as usual.

I have pulled CPU but haven't pasted it and put it back, have another to try also but wanted some other feedback first.

Thanks for ideas. I haven't messed with one of these boards for a long time lol. I built this PC like 15 years ago so if it's time is up then so be it....


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post #2 of 4 (permalink) Old 10-02-2019, 09:17 PM
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Scotty or Kryton might be the best ones to help you with this.

The old boards I have had fail are mostly due to capacitor problems but I've had dead cmos batteries give me headaches too.
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post #3 of 4 (permalink) Old 10-02-2019, 09:51 PM
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Quote: Originally Posted by cssorkinman View Post
Scotty or Kryton might be the best ones to help you with this.

The old boards I have had fail are mostly due to capacitor problems but I've had dead cmos batteries give me headaches too.
Definitely check for bad caps and dead CMOS batteries first and foremost. If both of those are fine, I'd double check the mosfets didn't melt. If the board is physically and electrically in good shape, the CPU or RAM could have just had it, or been electro shocked by static so many times that it failed. The A8V-E was a Via chipset, pretty low end for its day (not that its bad). The chipset could have just ran too hot for too long as well and magic smoked the Northbridge.

A lot of different variables, but at least a few good places to start your search. Good luck, I've got several of these old setups on hand that I just can't even be bothered to mess with right now.

EDIT: If all else fails too, you can always use your nose and do the magic smoke smell test. Just sniff around on it, see if anything smells burnt.

DisposalAreav4.0
(15 items)
BeigeBox
(16 items)
CPU
Intel Core i7 2600k @ 4.4GHz, 1.33v
Motherboard
Gigabyte Z68MA-D2H-B3
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Asus RX580 8GB @ 1400 / 2150
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Kingston HyperX (4x4GB) @ DDR3-1600, 8-9-8-24-1T
Hard Drive
Crucial MX100 256GB + Sandisk Ultra 240GB RAID0
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Toshiba 3TB 3.5"
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PC Power & Cooling Silencer MKIII 950w
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Motherboard
MSI B75MA-E33
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MSI RX550 4GB
RAM
8GB GSkill Sniper DDR3-1600 @ 667, 9-9-9-24
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Intel 330 128GB SSD
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Hard Drive
Western Digital Black 2.5" RAID0 1TB (500x2)
Power Supply
Antec VP450
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No fans except GPU and PSU
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Last edited by pioneerisloud; 10-02-2019 at 10:00 PM.
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post #4 of 4 (permalink) Old 10-03-2019, 06:57 AM - Thread Starter
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CMOS battery checked out voltage wise, forgot to add that.

Physically I don't see any bulging caps, I'll have to remove from case and do close inspection I guess but I didn't see anything obviously blown looking it over.

Thanks


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