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Old 05-30-2005, 08:18 PM   #1 (permalink)
Newb Techie
Join Date: Oct 2004
Posts: 19
Default ram question

what does the 2-2-2-5 mean in:

512MBX2 Corsair XMS 2-2-2-5 PC-3200

also...can i put in a single dual channel stick of ram into a computer that supports the ddr sd (except the mobo isnt dual channel). or does dual channel ram have to go with dual channel mobo

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Old 05-30-2005, 08:27 PM   #2 (permalink)
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Join Date: Jan 2005
Posts: 821

The first 2 is CAS Latency Control (tCL).
The second 2 is RAS# to CAS# Delay (tRCD).
The third 2 is Row Precharge Timing (tRP).
The 5 is Min RAS# Active Timing (tRAS).

This site explains what all of that is about: http://www.dfi-street.com/forum/showthread.php?t=11397

As for your dual channel question, yes, I do believe you can put dual channel RAM in a motherboard that does not support dual channel RAM. The only thing is, is you put it in a motherboard that DOES support dual channel, it will run a heck of a lot better.

AMD Athlon 64 3000+ socket 939 @ 2.3 GHz
MSI K8N Neo2 Platinum motherboard
EVGA GeForce 6800 GT
2 GB DDR 400 (PC 3200) (2 x 1 GB sticks) (Dual Channel)
DVD player and seperate DVD RW drive
Floppy Drive
80 GB Western Digital Hard Drive
500 watt power supply
Sound Blaster Audigy
Logitech 5.1 surround sound speakers
SAMSUNG SyncMaster 710T LCD monitor
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Old 05-31-2005, 01:11 AM   #3 (permalink)
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yes dual channel ram can run in a non dual channel mobo, it simply won't run in dual channel. look at the sticky under the overclocking section of forums for more detailed info on the latency numbers.
Intel P4 @ 2.0 Ghz 400fsb
512mb Corsair XMS dual channel ddr400
Radeon 9800 XT 256mb
40 & 60 gig wd hd\'s
Audigy 2 ZS THX
Logitech 5.1 280watts rms sound THX
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