Black Socket 462 Mobo Semi Dead Unknown Model

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Black Socket 462 Mobo Semi Dead Unknown Model

Postby misterduffy » Sun May 01, 2016 4:47 pm

Hi folks. I've got this board that I got from somewhere. I usually know exactly where I got my boards from but this one is a complete mystery to me (it's one of about 10 I've got). There are absolutely no distinguishing marks on the PCB. I've tried a number of Athlons / Semprons in it and on all but one of them results in absolutely nothing. No power, no response. One CPU gives me a few seconds of activity and some BIOS codes on my diagnostics card before it shuts itself down. The silkscreen doesn't tell me what the front panel pins do and without documentation I'm guessing. I have measured expected voltages on all the pins, and the PSUs I'm using are known good. Pic linked below. Apologies for the quality - I can upload a superior one in the morning if needed. Thanks in advance!

https://drive.google.com/file/d/0B7vVWBbEOcWjNV9xV3Z5QmV5Vzg/view?usp=drivesdk
Last edited by misterduffy on Mon May 02, 2016 5:14 am, edited 1 time in total.
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Re: Black Socket 939 Mobo Semi Dead Unknown Model

Postby Karlsweldt » Mon May 02, 2016 4:32 am

No markings on the board that may reference to a model or version? What is molded into the CPU socket at the rear.. should be the socket type.. such as AM2, 754, 939, 940 for example. Older socket types may accept the newer CPU but are not compatible. Newer socket types may accept and be compatible to older CPU models.
Any capacitors that are not perfectly flat on top? May be a bad one, if so.
Chipsets will have a logo, part number and date etched on the top. May be a clue there.
That board may be up to 10 years old, having the 20-pin ATX power socket.
And may require the -5 volt PSU source. Newer PSU models normally do not have that source.
That one CPU that briefly worked.. did you try different memory types and speed with it? Maybe single-density 64 MB modules may help get some extended up time for diagnostics.
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Re: Black Socket 462 Mobo Semi Dead Unknown Model

Postby misterduffy » Tue May 03, 2016 5:37 am

Apologies, it is a socket 462 motherboard. I'm really poor with AMD architecture - know nothing about CPUs beyond SS7, which is why I'd like to get this one working.

I have a better image of the board (they are good quality so I'm posting links rather than embedding them):

https://drive.google.com/open?id=0B7vVW ... 1FpdjZ6MFk

Pic of the socket - all the caps on the board are apparently in good condition. No sign of bulging or leaking and power is being fed to the board consistently. The error, however, is also consistent:

https://drive.google.com/open?id=0B7vVW ... UxuZzdDQlE

Labels on the rear of the board:

https://drive.google.com/open?id=0B7vVW ... nZZTGJUS3M

Some other strings on the silkscreen:

https://drive.google.com/open?id=0B7vVW ... lF5SkcxcHM

And the error I'm getting:

https://drive.google.com/open?id=0B7vVW ... jd4M0UwVWM

I have tried different known-good RAM in different slots and each PSU I have tried has -5v. The CPUs I have tested are as follows:

Sempron 2800+ (Thorton)
Athlon XP 2800+ (Barton)
Athlon XP 1800+ (Palomino)
Athlon 1333 (Thunderbird)

The first two POST with the error code pictured above (4440). The board has an Award BIOS afaik (haven't got it front of me right now), which apparently relates to the CMOS RAM interface. I have performed a CMOS reset and the battery is good.

The last two CPUs in the list won't even allow the board to power up. Perhaps this characteristic says something about the board. I would have to remove the heatsink on the chipset to identify it but I only want to do that if I absolutely have to. There is an eBay listing for a board that looks exactly like this, and claims it to be an Asus A7N8X Deluxe, but it's blatantly not if you look at images of the actual board.

Any help greatly appreciated!
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Re: Black Socket 462 Mobo Semi Dead Unknown Model

Postby Karlsweldt » Tue May 03, 2016 6:38 am

Many older AMD CPU types required a 100 MHz base FSB clock. Note to the upper left of the heat sink at the center of the board, print referring to "JP3" settings. Try to get the system up with the 100 MHz setting.
Could not find a reference for the POST '4440' code, but have a reference for Award BIOS codes..
http://www.bioscentral.com/postcodes/awardbios.htm
Noted a sticker on one rear I/O port, like a "clock".. noting 2004 and 11. Could be the final inspection date?
Those stickers on the bottom of the board are only for assembly/testing info. Other print only notes compliance to certain standards for the product. May have been made for an OEM (other equipment manufacturer) of a different brand. Common.
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Re: Black Socket 462 Mobo Semi Dead Unknown Model

Postby Mr T » Tue May 03, 2016 11:13 am

Motherboard = Chaintech CT-7NJL6

Info*** WARNING - PORN BANNERS***(Good old site motherboards.cz, it used to have porn banners, but I didn't see any, I'll warn anyway!)

You need to add an agp or PCI (not PCI-e) video card for a POST - also RAM compatibility was an issue then (still is now, but not so much). Always found the el-cheapo DDR no brand RAM caused issues...

Some more info...

Linky to manual...
I have been programming on computers since the ZX81.
I am an apprentice trained Electronics Engineer with qualifications to back it up.
I have been repairing computers since 1996.
Yet to some people I still know nothing...
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Re: Black Socket 462 Mobo Semi Dead Unknown Model

Postby misterduffy » Tue May 03, 2016 11:49 pm

You legend, thank you. I was testing with a PCI card but I'll try a selection of AGP instead.
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Re: Black Socket 462 Mobo Semi Dead Unknown Model

Postby evasive » Tue May 10, 2016 11:51 pm

thanks for that manual link Rog, I see it's missing in my collection...
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