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What part is this?


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#1 cakern

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Posted 20 January 2009 - 10:49 AM

Hi, I was taking apart an old IBM computer and found this. it is about 3.5 inches long and about 3/16 inches thick. It was cliped to the front of the case behind the bezel and was plugged into the motherboard. It is metal, not sure what kind but a magnet sticks to it. Any help would be much appreciated. Here are some pictures of it to help you identify it.

(Moderator edit: moved thread to more appropriate forum. jgw)

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Edited by jgweed, 22 January 2009 - 11:04 AM.


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#2 dc3

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Posted 20 January 2009 - 11:40 AM

What does the label have printed on it in the first picture?

What is the model of this computer?

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#3 cakern

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Posted 20 January 2009 - 12:19 PM

The label is only a barcode, the other writing on it says made in china, that's it. As for the model I will look it up tonight.

#4 cakern

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Posted 20 January 2009 - 08:31 PM

The computer is an IBM Personal Computer 300PL

#5 I.T. Works

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Posted 20 January 2009 - 08:37 PM

Looks like it could be an LED bar for power, HDD activity, etc?
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#6 caperdog

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Posted 20 January 2009 - 09:47 PM

ok here's my guess. i've looked at the manual and i can see it in the sketch but it is not labeled. there is a 4-pin connector on the system board for a RFID connector (is there any hint printed on system board where you unpluged it from ?)

anyway, Radio-frequency identification tag, the same technology that allows you to cross a toll bridge and charges your credit card, also used for inventory control. what it is doing here i have no idea.

that's my guess

#7 cakern

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Posted 21 January 2009 - 09:28 AM

After reviewing an online manual for the computer that I found I have discovered that it is indeed an LED chip. Thank you for all your help on this subject.

Edited by cakern, 21 January 2009 - 09:47 AM.


#8 cakern

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Posted 22 January 2009 - 09:58 AM

Revised: It is not an LED Strip like the manuel let me to believe. I took off the outer cover and looked at it. It is an electro-static protection device to protect the mother board.

#9 Goldwyn

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Posted 22 January 2009 - 07:16 PM

Interesting since a computer case is conductive. it is it's own Anti Static shield. Just touch the case to discharge.
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#10 cakern

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Posted 23 January 2009 - 10:11 AM

Exactly what I thought, but you can still fry the mother board if you don't discharge the case before removing parts from the computer. But still interesting that is was in there.




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