Eee PC Research

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Chips and Connections

A simple diagram showing the major chips and connections on the motherboard.

Front:

Eee diagram front.jpg

Back:

Eee diagram back.jpg

Solid State Drive

The solid state drive on the Eee is powered by a Silicon Motion SM223 CF flash card controller and 4x NAND flash chips from various manufacturers.

NAND flash found:

Eee ssd intel.jpg

BIOS Chip

For a little while there was confusion how the BIOS was stored. Speculation about parts of the SSD could be used for the BIOS, integrated chipset BIOS, or a unknown IC-chip.

Turns out the BIOS chip was covered by a adhesive label and the part number is Winbond 25X40VSIG. It features a 8-pin 512K serial flash.

Eee bios chip.jpg

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