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Has anyone here tried to add more memory to the xbox motherboard? I seem to remember seeing something about it on the scene years ago. it involved basically getting the memory chips off of another xbox & putting them on the motherboard by soldering them on.

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Yes. You can actually order the chips from a particular supplier brand new instead of desoldering first. That should make it easier. It's quite difficult though but can be done. 

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Yes, do that regularly!

you need to solder in 400 pins so not on the easy side. Can offer you a 128mb Ram upgraded board if you want one :)

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Yes, v1.0-1.5 Xbox motherboard's have 4 solder pad sets, 2 on top and 2 on the bottom, for installation of an additional 64MB of RAM. 

One can purchase new parts online. Thereby not doubling the workload -- unsoldering them from one motherboard and soldering back on a different one.  Order parts that match the part number of those currently installed. There are 3 different versions of the Samsung RAM chips;

  • Xbox Versions 1.0 - 1.1 = K4D263238M-QC50
  • Xbox Versions 1.2 - 1.3 = K4D263238D-QC50
  • Xbox Versions 1.4 - 1.5 (1.6a?) = K4D263238F-QC50

Not sure matching is 100% necessary. The M, D  and F designator denotes which silicon die Samsung used to manufacture the memory chip (updates to the design layout).  Functionality should be the same but if in doubt be safe and match them as Floydzabarber suggests in his video tutorial below.

Make sure that your soldering iron is electrostatic discharge (ESD) safe.  Don't blow the chip during unsoldering/soldering.

Floydzabarber's Youtube Videos:

Advantages of 128MB RAM upgrade

Please login or register to see this link.

Not sure why the second video link didn't/doesn't expand to show the video as the first did. And, refuses to do so upon many editing attempts.

Edited by KaosEngineer
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