Re: Why would pins 3 & 100 on a DDR DIMM fry?
- From: "catguy" <catguy@xxxxxxxxxxxx>
- Date: Sat, 26 Aug 2006 14:46:14 -0700
"Unregistered" <not@xxxxxxxx> wrote in message
news:47qdnYbCCNrSmm3ZnZ2dnUVZ_t2dnZ2d@xxxxxxxxxxxxxx
I may post the long story later, but the short story is that I have
a motherboard and a DDR DIMM where pins 3 and 100 on the DIMM and
the corresponding socket are toast. The gold on the DIMM contacts
is completely gone, and the socket is charred in those positions.
The motherboard was said to be dead when the DIMM was installed.
I've taken out the DIMM, and I put another DIMM into the computer
in a different socket, and it seems to work fine.
I took the burned DIMM and put it into another computer, and it
seems to work fine too.
What happened?
(I checked the DDR pinout. Pins 3 and 100 are both grounds.)
Someone probably managed to put it in backwards at an angle. Then, on power
on the traces vaporized. I have a couple of PC133 256MB that have the same
problem(different pins). They still work fine because there are multiple gnd
and vcc pins.....Paul
.
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