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Old 19 March 2009, 23:07   #1
DDNI
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SIMMs 72Pin how big???????

Hi all,

is there an easy way to identify the size of 72pin simms?
I don't have an auto configuring accelerator to stick them into...
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Old 20 March 2009, 00:21   #2
davideo
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Originally Posted by DDNI View Post
Hi all,

is there an easy way to identify the size of 72pin simms?
I don't have an auto configuring accelerator to stick them into...
I've no idea but can only think of googling the part number

Dave G
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Old 20 March 2009, 00:27   #3
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That usually works.
Or you can google the part numberof one of the chips, and see what size is the chip, then add.
I think, for example, my 64MB stick has 16 4MB RAM chips.
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Old 20 March 2009, 04:01   #4
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That usually works.
Or you can google the part numberof one of the chips, and see what size is the chip, then add.
I think, for example, my 64MB stick has 16 4MB RAM chips.
That doesn't always work, some chips are only 1bit, others are 4 or 8, so in some cases a memory stick may have 16 chips, which would be;

16 X 4Mb, 1 bit = 4Mb, 16 bit
16 X 4Mb, 4 bit = 16Mb, 16 Bit

So on, so forth, it's not just the number, but the configuration too, some have extra chips for parity etc. Ram, like everything else has standard, just like all humans look exactly the same.

Paul
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Old 20 March 2009, 04:29   #5
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Ram, like everything else has standard, just like all humans look exactly the same.

Paul
Maybe in Tasmania.......
I'd hate to look some people I know !!! But we get your point mate !!
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Old 22 March 2009, 22:11   #6
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can anyone confirm if this will work in a blizzard 1230 mk4
http://cgi.ebay.co.uk/COMPAQ-114226-...1%7C240%3A1318

thanks
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Old 22 March 2009, 23:12   #7
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It doesnt look like a 72pin SIMM. Iwould guess that it wont work.
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Old 22 March 2009, 23:17   #8
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http://www.canadaram.com/images/RAMtypes.jpg

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Old 22 March 2009, 23:21   #9
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That looks more like a SDRAM module for PCs. However, because it's described as EDO RAM, then my guess is that its a 16MB EDO DIMM for PCI Macintoshes. I have four 64MB DIMMs in my PCI Mac and they have a second row of chips above, which makes them higher than this one. That's why I'm guessing it's only 16MB or possibly 32MB if it's double-sided. And they have 168 pins, IIRC.
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Old 23 March 2009, 00:32   #10
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Maybe this Site could help to identify the size of 72pin Simms. http://www.knubbelmac.de/hardware/ram-kalkulator.html

Unfortunately only on German....
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