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Ram too many types
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spyboy
Junior Member
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Registered: Feb 2003
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Country: Great Britain (UK)
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Total Posts: 20
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 Ram too many types
Hey folks
I am looking for a little bit of extra info.
I have a choice of ram
DDR 266 , pc2100 or pc2700
What is the proper order for these types of RAM
Cheers
Simon
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 03-07-04 12:58 AM
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azimuth40
Senior Member
Registered: Jun 2002
Location:
Country: USA
State: CA
Certifications: A+, Net+, iNet+, Server+
Working on: MCSA, CCNA
Total Posts: 2073
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Re: Ram too many types
quote:
Originally posted by spyboy
Hey folks
I am looking for a little bit of extra info.
I have a choice of ram
DDR 266 , pc2100 or pc2700
What is the proper order for these types of RAM
Cheers
Simon
DDR 266 is a frequency 266MHz where PC2100 is the byte transfer rate, known as bandwidth or 2.1GB/sec. This is a different definition than for SDR memory which is strictly the frequency PC66/PC100/PC133.
The PC number for DDR more closely approximates RAMBUS ratings. There was once a serious battle between the two with new benchmarks every day.
As a general rule of thumb you can take the PC number and divide by 8 and round to a frequency. PC2700 is DDR 333 and PC3200 is DDR 400.
Oh yes one more thing, since the memory is synchronous (clocked) a higher number DDR can be used in a lower FSB motherboard.
Last edited by azimuth40 on 03-07-04 at 01:59 AM
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03-07-04 01:56 AM
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Kasor
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Registered: Jul 2000
Location: Yankee
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Working on: STUDYING!!!
Total Posts: 3159
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03-07-04 03:00 AM
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