You can use just about any Socket 5, 7 or "A" fan.
The only limitation is the plug.
I'm fairly sure yours has a power plug just like a Hard Drive.

                          Rick Glazier

From: "William Closure" <[log in to unmask]>
> AMDX5-133 ADZ processor
>
> Cooling fan failed.  Had two different people look at it who said it looked
> like a 486 fan.
>
> One used the term "Socket 5"

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