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Please note !

Before removing/installing the BIOS-Chip:

Unplug the power supply! On notebooks remove all accumulators!
Prevent your PC components before static electricity!

Installation/removal of PLCC-BIOS-Chips

A BIOS-Chip in package type PLCC-32 has 2x7 and 2x9 Pins, together 32 Pins.

PLCC-Sockel PLCC-Zange Bueroklammer
PLCC-Socket with Chip PLCC-Extractor Paper clip

Removing a PLCC-chip without a professional tool like a PLCC-Extractor could be very difficult.

Removal with PLCC-Extractor: insert one hook (middle picture, red marker) into the socket slit (left picture, red marker). Now do the same with the other hook. Press the Extractor against the socket and press at the same time the 2 Extractor legs (middle picture, blue arrows) together. Attention: don't pull the Extractor, press only the 2 legs together until the chip comes out!

Removal without PLCC-Extractor: you can try one of these very little screwdrivers, or a curved piece of wire. Another way is to use a paper clip. Take one or two paper clips and curve it to 90 degrees with a length of circa 2 millimeters.

PLCC-Sockel PLCC-Baustein
PLCC-Socket PLCC-Chip

Installation: A PLCC-Chip has one flat corner as a marker (see picture), and the socket in most cases too. If the socket has no marker, take a look on the printed circuit board, to find the number "1" around the socket area. Put the chip's marker and the socket's marker on top of each other, or the chip's marker and the number "1".

 

PLCC-Zange You can order the PLCC-Extractor in my --> Ebay-Shop !
 
Anti-Statik-Set Anti-Statik-Set --> Ebay-Shop !
Installation/removal of DIL-BIOS-Chips

A BIOS-Chip in package type DIL (DIP) has 2 parallel rows with Pins. e.g. a DIL-32-Chip has 2x16 Pins, together 32 Pins.

DIL-Sockel Ausheber I Ausheber II
DIL-Socket with Chip DIL Extractor IC-Extractor

Removal: Use a professional tool like the DIL-Extractor. If you don't have one, you can try it with one or two short and small screwdrivers. Pull the screwdrivers into the gaps between socket and chip, and pull him carefully out. Be careful while removing the chip! Use both ends of the chip to pull him out. You'll need some strength, but it might works.

DIL
DIL-Chip with Socket

Installation: A DIL-Chip has on one of his small sides an impressed marker (see picture), and the DIL-Socket in most cases too. If the socket has no marker, take a look on the printed circuit board, to find the number "1" around the socket area. Put the chip's marker and the socket's marker on top of each other, or the chip's marker and the number "1".

 

DIL-Ausheber You can order the DIL-Extractor in my --> Ebay-Shop !
 
Anti-Statik-Set Anti-Statik-Set --> Ebay-Shop !