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ECC SDRAM & CT-7AJA0? - Printable Version

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ECC SDRAM & CT-7AJA0? by rix on 01-17-2006 at 06:35 PM

Hey guys!

I have this nasty Chaintech 7aja0 motherboard, what supports ECC RAMs but unfortunately it doesn't boot up when I insert 256MB ECC SDRAM. Instead booting up, it beeps uncountable times. All memory slots work fine with old 128MB SDRAM. Any ideas?

A little specs page at here.


RE: ECC SDRAM & CT-7AJA0? by RaceProUK on 01-17-2006 at 08:41 PM

Are you sure you're putting in the correct RAM strip? Mobo's can be very funny about which RAM strips you put in them.


RE: ECC SDRAM & CT-7AJA0? by rix on 01-17-2006 at 09:08 PM

Well, I tryed all three slots. It doesn't matter much because that slot only accepts correct SDRAM sticks.


RE: ECC SDRAM & CT-7AJA0? by D:Frag on 01-17-2006 at 09:38 PM

Maybe the ECC RAM module is the faulty one. Try it in another computer.


RE: ECC SDRAM & CT-7AJA0? by RaceProUK on 01-18-2006 at 12:45 AM

Or that motherboard can't handle 256MB strips.


RE: RE: ECC SDRAM & CT-7AJA0? by D:Frag on 01-18-2006 at 02:48 AM

quote:
Originally posted by raceprouk
Or that motherboard can't handle 256MB strips.


On Chaintech's website found two models: the  7AJA2 and the 7AJA2E.
quote:
YAJA2
  • Three 168-pin DIMM sockets support up to 768MB

    Supports PC100, PC133 SDRAM, and VCM

    Provides single-bit ECC capability

quote:
YAJA2E
  • Three 168-pin DIMM sockets support up to 1.5GB

    Supports PC100, PC133 SDRAM, and VCM

    Provides single-bit ECC capability

The first one obviously supports three 256MB modules and the second one supports 3 512MB modules and both support ECC. That's why I think the memory module could be bad... :)

And before somebody says "hey, neither are the 7AJA0"... well, couldn't find it on Chaintech's website and here's a review for a "7AJA" that shows similar specs of the "7AJA2". The link provided by rix is for a "7AJA" too and that's similar to the "7AJA2E"... blah, both support 256MB and ECC O_o

Later :)
RE: ECC SDRAM & CT-7AJA0? by rix on 01-18-2006 at 03:13 PM

Now i've tryed it in another comp, where it worked fine. After i compared BIOS settings, i changed my comps DRAM CLOCK to HOST CLK and after that it started to work fine. Occasion or relation?


RE: ECC SDRAM & CT-7AJA0? by RaceProUK on 01-19-2006 at 12:10 PM

That's probably why the RAM wouldn't work: the BIOS RAM clock was set to the wrong speed.