Zooomr
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cpu frontside

cpu backside

cpu frontside

So next, I wired the top right leg of RP6 with that big yellow wire you see. This gets us the right voltage (1.5V pullup) which will be given to the CPU.

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Uploaded on Feb. 25, 2006
cpu backside

So at the end the whole thing looks like this from the back side.

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Uploaded on Feb. 25, 2006

connection to b75

closeup connection to br1

closeup connection to br1

connection to b75

Ok. Next we flipped the CPU over, and where we attached the above wires (pin BR1#) on the other side we drilled a hole! That's right. We drilled the back side of the motherboard until we reached the CPU. Remember the above shiny silver thing (on the picture right above this text) is the REAL CPU. The whole green motherboard assembly is NOT the CPU. The CPU is soldered ontop of the motherboard. Anyhow, what this hole does is that it cuts the 2.0volt power that the motherboard feeds the CPU pin BR1#. So now BR1# is getting the 1.5volts from our hacked RP6 connection. Next thing to do was connect BR1# to the SLOT-1 pin B75 just like the P2 CPU's have it. So, we looped the wires (red now) to the backside and ran it down to where B75 is and soldered it there. Here is a close up:

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Uploaded on Feb. 25, 2006
closeup connection to br1

Now we ran the yellow wire towards the CPU's pin BR1#. I soldered the yellow wire with the red, and then soldered the conglomerate to pin BR1# (middle pin horizontally, and 5th from the top). Here are the close-ups.

Icon This photo is Public
Uploaded on Feb. 25, 2006
closeup connection to br1

Now we ran the yellow wire towards the CPU's pin BR1#. I soldered the yellow wire with the red, and then soldered the conglomerate to pin BR1# (middle pin horizontally, and 5th from the top). Here are the close-ups.

Icon This photo is Public
Uploaded on Feb. 25, 2006

closeup connection to br1

closeup before connection to br1

closeup connection to br1

Now we ran the yellow wire towards the CPU's pin BR1#. I soldered the yellow wire with the red, and then soldered the conglomerate to pin BR1# (middle pin horizontally, and 5th from the top). Here are the close-ups.

Icon This photo is Public
Uploaded on Feb. 25, 2006
closeup before connection to br1

Now we ran the yellow wire towards the CPU's pin BR1#. I soldered the yellow wire with the red, and then soldered the conglomerate to pin BR1# (middle pin horizontally, and 5th from the top). Here are the close-ups.

Icon This photo is Public
Uploaded on Feb. 25, 2006
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