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Old 02-14-2007, 08:21 AM   #1
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Default Help choosing best RAM for laptop...

Hi guys,

Could somebody please point me in the direction of how to choose the very best RAM modules for my laptop please?

I have researched RAM specs in general, but it just gets so complicated!

A report of my current memory shows... (thanks to Everest ultimate edition - Great program!!)

[ DIMM1: Nanya NT256D64SH8C0GM-6K ]

Memory Module Properties:
Module Name Nanya NT256D64SH8C0GM-6K
Serial Number C9B31891h (2434315209)
Module Size 256 MB (2 ranks, 4 banks)
Module Type Unbuffered
Memory Type DDR SDRAM
Memory Speed PC2700 (166 MHz)
Module Width 64 bit
Module Voltage SSTL 2.5
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh

Memory Timings:
@ 166 MHz 2.5-3-3-7 (CL-RCD-RP-RAS) / 10-12-2 (RC-RFC-RRD)
@ 133 MHz 2.0-3-3-6 (CL-RCD-RP-RAS) / 8-10-2 (RC-RFC-RRD)

[ DIMM2: Nanya NT256D64SH8C0GM-6K ]

Memory Module Properties:
Module Name Nanya NT256D64SH8C0GM-6K
Serial Number 97B41897h (2534978711)
Module Size 256 MB (2 ranks, 4 banks)
Module Type Unbuffered
Memory Type DDR SDRAM
Memory Speed PC2700 (166 MHz)
Module Width 64 bit
Module Voltage SSTL 2.5
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh

Memory Timings:
@ 166 MHz 2.5-3-3-7 (CL-RCD-RP-RAS) / 10-12-2 (RC-RFC-RRD)
@ 133 MHz 2.0-3-3-6 (CL-RCD-RP-RAS) / 8-10-2 (RC-RFC-RRD)


I can understand the specs to some degree, but how am I supposed to know the maximum specs for RAM my laptop can take? All I know at the moment is that it can hold up to 2GB. But could somebody explain how to determine the top speed I can use and stuff like that?

Any help would be really appreciated!
Thank you!
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Old 02-14-2007, 08:30 AM   #2
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Default Re: Help choosing best RAM for laptop...

Just goto crucials website, and either enter the make model etc, or let it scan your system and it will tell you your options.
www.crucial.com
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Old 02-14-2007, 11:15 AM   #3
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Default Re: Help choosing best RAM for laptop... im confused...

Cheers!
DDR PC2700
# Maximum Memory Capacity: 2048MB
# Currently Installed Memory: 512MB
# Available Memory Slots: 0
# Number of Banks: 2


# Dual Channel Support: No
I have DDR RAM, but Crucial.com says that I dont have 'Dual Channel Support' - im confused, isnt that DDR?


# CPU Manufacturer: AuthenticAMD
# CPU Family: AMD Turion(tm) 64
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Old 02-14-2007, 12:04 PM   #4
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Default Re: Help choosing best RAM for laptop...

No, DDR is Double Data Rate for RAM, and dual channel is mobo architecture. But they do work together.
http://en.wikipedia.org/wiki/DDR_SDRAM
http://en.wikipedia.org/wiki/Dual_channel
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Old 02-14-2007, 12:07 PM   #5
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Default Re: Help choosing best RAM for laptop...

Oh right! Yeah I get it. Cheers!
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