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Thread ID: 91301 2008-07-02 12:15:00 Adding more RAM bk T (215) Press F1
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684697 2008-07-02 12:15:00 At the moment, I'm having 2 x 512 MB -533 Dual-Channel Samsung RAM for this P5AD2-E Premium MB which supports (according to the user Manual):

240-pin DIMM sockets support unbufferred non ECC DDR2-711 (FSB 1066)/DDR2-600 (FSB800)/
DDR2-533 (FSB 1066/800) MHZ

Since DDR2 RAMs are pretty cheap now, I am looking to add another pair of Corsair PC2-6400 DDR2-800 2GB TWIN 2x 1GB unbuffered, 5-5-5-12, 64Mx8 DRAM to my machine, making a total of 3 GB.

Can these 2 pairs work together?

Cheers
bk T (215)
684698 2008-07-02 21:17:00 Often you won't know for sure without trying, but probably not.

I have a slightly older Gigabyte motherboard, and that will ONLY take 533mhz DDR2. Nothing higher. I'd be hesitant in purchasing 800mhz DDR2, as there's a decent chance it won't work.

DDR2 667mhz would probably work - I'd go into your local PC shop, and try some, make sure it works, before buying.
wratterus (105)
684699 2008-07-02 22:16:00 Generally if it can take the different speeds, it will default to the slowest speed RAM. pctek (84)
684700 2008-07-02 22:32:00 Generally if it can take the different speeds, it will default to the slowest speed RAM.

I'm aware of this.

What I'm concerned here is whether or not the new pair will work with the old pair. It's too much of a hassle to bring the box to the shop to test it out as suggested by wratterus.
bk T (215)
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