72 pin RAM

[Anand Keathley]

Thanks for everyone's help so far.  Another novice question.  For those
Macs that use 72 pin RAM, is it interchangable?  Meaning will it work or
damage the mac if it is a certain speed, (xx ns)?  Or are there specific
ones to avoid?  There is someone locally who says he  has  ,"...two  16
MB sticks that are MGV boards with what look like TI parts.  60 ns."
Frankly, I do not know what that means.  Would they work in an LCIII or
other Mac?

Thanks,
 Anand


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Re: 72 pin RAM

[the pickle]

At 22:21 -0700 on 19/09/01, Anand Keathley wrote:

>Thanks for everyone's help so far.  Another novice question.  For those
>Macs that use 72 pin RAM, is it interchangable?  Meaning will it work or

Generally, yes.  RAM is RAM, for the most part.

>damage the mac if it is a certain speed, (xx ns)?  Or are there specific

All the Macs I can think of that use 72-pin RAM are spec'd for 80ns chips.
Faster RAM won't hurt but it also won't help in most cases.

p
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Re: 72 pin RAM

[Gregg Eshelman]

--- the pickle <[EMAIL PROTECTED]> wrote:

> All the Macs I can think of that use 72-pin RAM are
> spec'd for 80ns chips.
> Faster RAM won't hurt but it also won't help in most
> cases.
> 
> p

Any that use 72pin RAM that won't work at all with
EDO?
FPM 72pin SIMMs cost more than EDO from many places. :P

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Re: 72 pin RAM

[the pickle]

At 09:55 -0700 on 20/09/01, Gregg Eshelman wrote:

>--- the pickle <[EMAIL PROTECTED]> wrote:
>
>> All the Macs I can think of that use 72-pin RAM are
>> spec'd for 80ns chips.
>> Faster RAM won't hurt but it also won't help in most
>> cases.
>>
>> p
>
>Any that use 72pin RAM that won't work at all with
>EDO?

Not that I can think of.

p
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Re: 72 pin RAM

[Robert Poland]

>All the Macs I can think of that use 72-pin RAM are spec'd for 80ns chips.
>Faster RAM won't hurt but it also won't help in most cases.

The 8100/80 may spec 80ns But my experience says use 60ns. Even 70ns 
are not reliable.

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Re: 72 pin RAM

[Andrew Michael MacTao]

Gregg Eshelman wrote:
>  >Any that use 72pin RAM that won't work at all with
>  >EDO?

pickle replied:
>Not that I can think of.

I've heard mixed reports on the reliability of mixing FPM & EDO RAM...
Some folks report system crashes and instability, other folks report 
no problems at all.

I originally had a pair of 32's & a pair of 8's in my 7100... All 
FPM. I later pulled the 8's & replaced them with a pair of 32's, EDO. 
I didn't find any more crashes happening. But, it did feel like 
everything slowed down a wee bit.
Later, I pulled the EDO RAM & put the 8's back in. Things seemed 
to speed up a wee.
Finally, I just pulled everything & got a matched set of 4 - FPM 
32's.  I didn't notice a slowdown there. Maybe even a wee bit of 
speedup.

Iechyd Da,
Andrew

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