Ram questions for new build

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Ram questions for new build

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Author	Thread : Ram questions for new build

EXT64

Profile: old hand

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03-14-2008 at 12:13:13 AM

OK, I've been out of the computer building scene for a while, so I thought I'd come here to get a few things clarified. First off, here is my panned build:

To Buy:

Processor AMD Athlon X2 4850E 45W $90.00 Yet to be released, prices estimated

Motherboard GIGABYTE GA-MA78GM-S2H $99.99 http://www.newegg.com/Product/Prod [...] 6813128090

Hard Drive Western Digital Caviar SE WD1600AAJS 160GB 7200 RPM SATA 3.0Gb/s $48.99 http://www.newegg.com/Product/Prod [...] 6822136075

DVD Burner LITE-ON Black 20X DVD+R 2MB Cache SATA DVD Burner - Retail $29.99
http://www.newegg.com/Product/Prod [...] 6827106057

NEC Black 1.44MB 3.5" Internal Floppy Drive Model FD1231H-302 $6.99 http://www.newegg.com/Product/Prod [...] 6821152005

Already Bought:

RAM Corsair Dual Channel TWINX 2048MB PC6400 DDR2 800MHz (2 x 1024) $34.99 http://www.tigerdirect.com/applica [...] u=C13-2022

TV Tuner Can't remember what type

Case Ultra Black MicroFly Micro ATX Case with Ultra V-Series 400-Watt PSU $69.99 http://www.tigerdirect.com/applica [...] u=ULT33116

Graphics Integrated on MB

Ok, first off I should mention that this is for a LOW POWER HTPC/TV computer. For gaming I use the comp in my sig. I would have used that system for this (since they will be sitting next to each other), however it draws 400W under load! Now that I have to pay for electricity, that's not acceptable to be on for anything but gaming. (This comp should idle around 60W, 120W Max!)

Anyway, back to my original question:

What is the deal with DDR2 and command rate? I remember for DDR you could set it to 1T for two sticks, but what about for 2 sticks of DDR2? I'm really cautious about this since when I had 4 sticks of DDR and set it to 1T command rate it partially fried my MB.

Also, I remember when DDR2 first came out everyone said it was slower. At higher speeds like 800MHz, it stomps the old DDR400, right?

Thanks for reading all this. Normally I just research this on my own, but I'm feeling kind of lazy right now. My impression is that you can only use 2T command rate with DDR2.

---------------
Gaming: FX-60 @ 2.81GHz (x14, 1.375, 90nm) > A8N-SLI Deluxe > Asus 4850 - 625/1986 > 2GB Corsair XMS 400MHz
2-3-3-6-1T
HTPC/Light Gaming: X2 5400+ 2.8GHz Brisbane > Gigabyte 780G MATX - 900MHz Core > 2GB Corsair XMS2 800MHz
4-4-4-12-2T

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