Cleaning an ATI Rage128Pro fan (G4 AGP
origin graphic board)
As usual, I cannot be responsible for any damage to
your machines when you will experiment the following
Because of the several noise sources in my office's room:
one G4, one iMac, one B and B G3, an external hard disk, a
external burner, a tape drive, a Xerox copier... all these
machines generate a noise I get familair.
But the new noise which whistles from the G4 drives me
-> I start to discover the noise's origin.
When I open the G4's door, less noise. I close it, noise
I put my finger on the graphic board's fan to stop it:
The culprit was found :-)
-> Fortunately I had kept a voodoo
pci board; I can shutdown the G4 and put the Voodoo
inside, to be able to still use the G4 while operating the
-> here we goes!
The yellow arrows show the screws to be removed, the blue
one points to the power connector to be unhooked.
Once the fan removed, we can discover how dusty is the
The fan is also dirty (yellow arrow). The blue arrow
shows a little curiosity in this operation: the pastic
connector was ripped off... but the metallic contacts
remained on the board.
I clean the fan with a paintbrush...
... as I do for the radiator itself (yellow arrow).
The blue arrow points to the metallic connectors we loose
in the operation ;-).
I finish the cleaning process with a demak'up cotton
impregnated with isopropyllic alcohol.
Then I rip off the sticker: do not damage it, it will be
A little squirt of sewing machine oil (or equivalent) to
lubricate the axis.
Sticker put back in place... and I rebuild the whole
Wow: a very noiseless G4... but... oh no... now, this is
the 7500 machine internal hard disk which I hear the most...