4MB extension memory is extended to 8MB.



Caution:
You are responsible for any problem caused by this upgrade. I do not guarantee this upgrade.


What was made reference : NIFTY FIBMTP1/MES2CTettei-katuyoh bookCMOBILE PC book.


Somehow, although he bought 110 main parts, if it becomes reference of the direction said that there is nothing that is sold in the extension memory etc. recently, and that saw the thing, they are happy.



mem01 4MB extension memory is removed and the white seal stuck on the memory is removed.


mem02 A memory tip is prepared. It was a tip called compatibility with 3.3v 16Mbit 16160. Seemingly, there is also an extension memory board which is using 18160. the upper and lower sides -- please use the tip of the same kind. Samsung KM416V1000C Probably the data sheet of an equivalent article is download. Caution : On this data sheet, RAS is 15 pin.


mem03 The prepared memory tip is carried after the tip on an extension memory board.


mem04 upper and lower memory pin is soldered. (Except 18pin) Please take care not to carry out a bridge to the next pin. Keep in mind that there is no place of a ras pin correctly the 18th.


mem05 A jumper line ties 49 pins of connector and 18 pins of the upper tip.




Caution:
You are responsible for any problem caused by this upgrade. I do not guarantee this upgrade.







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