Does anyone know what this component does?

Greetings all

Today when I removed my ASUS V9280 Geforce 4 Ti to adjust the memiry
coolers a component from the card just fell away. The part in question
has a duplicate shown by 1 and the one that fell away is supposed to
be at 2.

Photo at: http://www.student.itn.liu.se/~freho...r/PICT0739.JPG

Curious as I am I took the card, after failing to solder the part back
on, and stuck it into a less delicate(read expensive) computer than it
came from. Guess what! The card still worked as far as I could tell,
Windows XP booted ok without any odd messages, I did however not do
any stress tests like gaming and so on.

Very strange.
What is the part doing? Something related to the memory I suppose
judging from the placement on the card and its twin by the other
memory bank.

Anyone have any idea?


Regards
Fredrik

Probably a filter capacitor. If the leads broke off the old one you can replace it with a similar capacitor. It does not have to be an exact match.

Fredrik Hofgren wrote:

Greetings all

Today when I removed my ASUS V9280 Geforce 4 Ti to adjust the memiry
coolers a component from the card just fell away. The part in question
has a duplicate shown by 1 and the one that fell away is supposed to
be at 2.

Photo at: http://www.student.itn.liu.se/~freho...r/PICT0739.JPG

Curious as I am I took the card, after failing to solder the part back
on, and stuck it into a less delicate(read expensive) computer than it
came from. Guess what! The card still worked as far as I could tell,
Windows XP booted ok without any odd messages, I did however not do
any stress tests like gaming and so on.

Very strange.
What is the part doing? Something related to the memory I suppose
judging from the placement on the card and its twin by the other
memory bank.

Anyone have any idea?

Regards
Fredrik

--

When replying by Email include NewSGrouP (case sensitive) in Subject

Mike Walsh
West Palm Beach, Florida, U.S.A.

Mike Walsh wrote:

Probably a filter capacitor. If the leads broke off the old one you can replace it with a similar capacitor. It does not have to be an exact match.

Fredrik Hofgren wrote:

Greetings all

Today when I removed my ASUS V9280 Geforce 4 Ti to adjust the memiry
coolers a component from the card just fell away. The part in question
has a duplicate shown by 1 and the one that fell away is supposed to
be at 2.

Photo at: http://www.student.itn.liu.se/~freho...r/PICT0739.JPG

Curious as I am I took the card, after failing to solder the part back
on, and stuck it into a less delicate(read expensive) computer than it
came from. Guess what! The card still worked as far as I could tell,
Windows XP booted ok without any odd messages, I did however not do
any stress tests like gaming and so on.

Very strange.
What is the part doing? Something related to the memory I suppose
judging from the placement on the card and its twin by the other
memory bank.

Anyone have any idea?

Regards
Fredrik



The important value to match would be the capacitance value, which is
probably marked in microFarads (uF).

- NR

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Fredrik Hofgren wrote:

Greetings all

Today when I removed my ASUS V9280 Geforce 4 Ti to adjust the memiry
coolers a component from the card just fell away. The part in question
has a duplicate shown by 1 and the one that fell away is supposed to
be at 2.

Photo at: http://www.student.itn.liu.se/~freho...r/PICT0739.JPG

As mentioned by a couple of other posters the item could be a capacitor.

Although a little less likely, it could also be an inductor.

Unfortunately, the JPG doesn't quite show all the detail of the silk screen
printing at the location of the failed part or the printing on the housing
of the other part.

My guess is that the part is a 'de-coupling' capacitor or inductor.

- --
Ron n1zhi

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(Fredrik Hofgren) wrote in message . com...
Greetings all

Today when I removed my ASUS V9280 Geforce 4 Ti to adjust the memiry
coolers a component from the card just fell away. The part in question
has a duplicate shown by 1 and the one that fell away is supposed to
be at 2.

Photo at: http://www.student.itn.liu.se/~freho...r/PICT0739.JPG

Curious as I am I took the card, after failing to solder the part back
on, and stuck it into a less delicate(read expensive) computer than it
came from. Guess what! The card still worked as far as I could tell,
Windows XP booted ok without any odd messages, I did however not do
any stress tests like gaming and so on.

Very strange.
What is the part doing? Something related to the memory I suppose
judging from the placement on the card and its twin by the other
memory bank.

Anyone have any idea?


Regards
Fredrik


Thanks for the input guys.
After closer inspection and some slodering attempts it was apparent
that a small portion of the PCB had fallen away with the
component/capacitor making any amateur soldering impossible. I don´t
dare use it in my computer so I guess it´ll end up in the trash or in
the pile for "things that can be used as beer coasters"
Some notes finally. The card has been used with a water cooler block
for about half a year now, and the memory chips were fitted with heat
sinks to make up for the lost air circulation, maybe the altered heat
flow doomed the PCB.


Regards again.
/Fredrik