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Old 02-12-2006, 04:57 PM   #1 (permalink)
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Default Memory Questions

Okay, I'm taking this PC Hardware class, which is used to get A+ certified and I've got some questions on an assignment that I'm having trouble with.

How many bits of information does a single cell of a memory chip on a 256 MB PC2700 DDR module hold?

Thanks.
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Old 02-12-2006, 08:01 PM   #2 (permalink)
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DDR runs @ 128 bit bandwidth. I don't know how much every chip uses so I would guess every one would work at 128 bit or the chips slit the it up.
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Old 02-12-2006, 11:51 PM   #3 (permalink)
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I think I found it out...

256 / 8 bits per byte = 32MB

That was the formula I found on Kingston's website, the site we were told to check for all the answers to the questions...

http://kingston.com/tools/umg/umg04.asp
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Old 02-13-2006, 03:46 PM   #4 (permalink)
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Oh, I thought you meant the bit as in bandwidth.

every MB = Mb (which is 1/8 a MB)

So like you said 256MB = 256Mb x 8
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