I just received the processor board,a small fan and a rectangular thing
with ridges that I am assuming is the heat sink. These were all taken out of
the same machine by the seller . Thank you for the other instructions.Now
all I have to do is call the guy who will do the upgrade.
----- Original Message -----
From: "PeterH" <[email protected]>
To: <[email protected]>
Sent: Wednesday, August 05, 2009 3:40 PM
Subject: Re: help in upgrading powermac quick silver 733
>
>
> On Aug 5, 2009, at 12:23 PM, Mac User #330250 wrote:
>
>> The three peaces for the QuickSilver should be:
>> * the processor daughter card (riser card, processor module)
>> * the cooling fan and
>> * the heatsink.
>>
>> For the cooling fan you should be able to use the one that is still
>> in your
>> QuickSilver. I think it is the same for all the processors.
>>
>
> This is true ... the Quicksilver fan units are all the same.
>
> This was not true of the Digital Audios, for example, as each
> processor type required its own fan module type.
>
>
>
>> The processor daugther card and the heatsink are a unit when
>> assembled, but
>> the original apple processor cards are build so that you need to
>> install the
>> processor first, and then you are able to place the heatsink on it
>> with the
>> latches engaged.
>
> In a Quicksilver, as in a Digital Audio, the heatsink must meet
> several requirements:
>
> 1) the heat transfer pad must be directly above the processor die or
> dies, and
>
> 2) the cooling fins must accommodate the VRM (voltage regulator
> module) choke coil, and any other components which are above the
> seating plane of the processor.
>
> This means that a DA or QS processor should never be bought (nor
> sold) without the heatsink with which it originally came.
>
>
>
> >
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