replacing phoenix bios chip, what is the correct orientation?

Posted on 2004-04-05
Last Modified: 2013-12-10
I had to replace the BIOS chip on my ABIT NF-7. How do I determine the correct orientation? Or does it really matter?
Question by:Newtons_Lawyer
  • 3
LVL 11

Accepted Solution

dimitry earned 300 total points
ID: 10777027
First of all it is important.
The simplest way is to insert it in the same position as the previous chip was sitting.
I think you have PLCC socket for your BIOS chip, something like this:

The idea is to put it correctly, so that pin No. 1 of the chip will go to pin No. 1 of the socket.

Expert Comment

ID: 10778240
There's usually a nick at one end and this is the end (99%) that pin 1 is located at.

Not really in tune with your Q - But I think this site may interest you, wandered across it and wished my mobo had an enthusiast like this:

Info on rom chip price etc


Expert Comment

ID: 10781895

Expert Comment

ID: 10892615
the nick at the corner may also be a [white] dot or a 1...  There might also be some drawings right underneath the chip seat thingy that can direct you.

Expert Comment

ID: 10960297
I don't suppose you can make a record of the current orientation b4 removing (put your own dot on it if needs be).

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