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Need help with RAM



 
 
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  #11  
Old August 10th 04, 02:52 PM
Paul Murphy
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"Andy in NJ" SHORECOGS at COMCAST DOT NET wrote in message
...
snip

Thanks for the reply, Paul. My CPU is an AMD Duron 1.2gig. I tried to find

a
tech support website for the motherboard, but couldn't find one. Do you

know
how any way in which I could find out if my motherboard will only accept
registered memory (what exactly is registered/unregistered memory,

anyway?)?

Ah Ha! There's the reason why you cant run a 133 bus - Durons ONLY run at
100 MHz bus. As for the registrered unregistered part, registered memory has
a chip on the module which provides information about the memory to the
motherboard, non-registered relies entirely on the user configuring the BIOS
accordingly/correctly - my understanding is that registered memory behave
from a users perspective similar to what SPD (serial presence detect)
offers. You may want to search the net for a more definitive explanation -
perhaps the big memory companies such as Crucial may have something on their
site about it.
A URL to a manufacturer for that board is he
http://www.biostar.com.tw/products/m...=M7VIG%20Pro-D

In terms of getting it to work, I still think your best bet is to see if you
can "downgrade" the modules to slower speed items and you won't have a
problem (possibly a CPU upgrade to a 133 MHz bus Athlon *may* yield the same
results).

Paul


  #12  
Old August 10th 04, 03:51 PM
kony
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On Mon, 9 Aug 2004 11:38:08 -0400, "Andy in NJ" SHORECOGS at
COMCAST DOT NET wrote:

Ok, here's my situation. I have an M7VIG Pro motherboard. The book
specifically states "Supports 2 DDR 200/266 MHz (without ECC) devices,
maximum memory size up to 2GB. Both slots can obviously support 1GB modules
each.

I purchased (2) 1GB memory modules. They are labeled as "1GB DDR333 Module
16C". When I insert one of them, and turn on the computer, I get a long beep
(a few seconds), silence, then beep-silence, over and over again until I
turn off the computer. If I put the other one in, the computer seems to boot
up ok, but it's unstable. I can be using the computer when all of a sudden
it just reboots on it's own. If I put both modules in, I get a ton of
registry errors as it boots and the system loads, leading me to having to
shut it down. I've contacted the place I bought them from and they have
offered to replace the modules, but they insist that all memory is tested
prior to shipping so it is unlikely that they are defective.

The only possible cause to this whole thing is my system bus speed. It is
supposed to be capable of running at 133MHz, but when I remove the jumper
that the motherboard says I need to remove, the system won't even boot. With
the jumper on the pins, the system boots, but the bus speed is 100MHz.

Is it possible the bus speed is causing the problem with the DDR memory and
does anyone know what I can do to fix this?



Your board is a low-end make using Via KM266 chipset, integrated
video.

That the slots "could" in theory support 2 x 1GB modules may not
matter, it is fairly common for that era of cheap board to not be
able to run a pair of 1GB modules. frankly I'm at a loss as to
why you'd want to anyway, it is a mismatch to spend so much on
memory with a board having slower memory bus to begin with, let
alone considering the integrated video.

As for those memory modules, who knows? Lots of slimeball
dealers will claim "we always test, you have to pay restocking
fee"... I"ve even received PC1600 modules that a disreputable
dealer SWEARS are PC2100 due to a fake inkjet printed label they
stuck on, even when the chips themselves aren't spec'd for
correct speed.

Return the memory and buy from someplace guaranteeing
compatibility, like Crucial.com. You might still find your board
to be a poor candidate and might consider replacing it.
 




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