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afterdawn.com > forums > pc hardware > other pc hardware > memory upgrade help
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oldkraut48
Newbie
_ 		28. April 2013 @ 00:47 _ Link to this message    Send private message to this user   
Am considering upgrading my HP-compact DC 7900 computer with more memory. Keep in mind that I am still new to the upgrading process, but very much trying to get my head wrapped around some of this. From what I have learned my machine has 2- DDR2 1024 mbytes 400 mghz memory sticks in it now. They are dual channel and have a dram freq. of 399 mghz. It shows that I have 2 gb. total and I would like to increase that to 4 total. the first question I have is that in the specs for the ram on my Speecy program it speaks of dual channel in regards to the memory. Do I need to have dual channel capability in the memory that I am adding ? Also would anyone know the max.gb. this system would handle? I'm not too worried about physically installing the memory , just concerned that I am installing the correct and best match for the money. This machine is used for general computing and surfing the net. Not a gamer,so don't need some really high end and pricy memory if possible. Any help or advise you can give me would be appreciated. Thanks.

Ted
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ddp
Moderator
_ 		28. April 2013 @ 11:22 _ Link to this message    Send private message to this user   
what is the model# of that dc 7900?
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JST1946
Senior Member
_ 		28. April 2013 @ 16:39 _ Link to this message    Send private message to this user   
They have 11 different versions of it on The HP support site.
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20 Year U.S.Army Veteran.Vietnam 1969-1972 101st Abn.Div.
oldkraut48
Newbie
_ 		28. April 2013 @ 17:00 _ Link to this message    Send private message to this user   
Originally posted by JST1946:
 They have 11 different versions of it on The HP support site.
All it says on the factory sticker on my machine is : HP-Compaq DC 7900 convertible minitower. Product # is FG342EC#ABA. Hope that helps.

Ted
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ddp
Moderator
_ 		28. April 2013 @ 17:31 _ Link to this message    Send private message to this user   
16gig of ram max. http://bizsupport1.austin.hp.com/bc/doc...3/c01516133.pdf
dual channel is better then single channel so 2 or 4 identical sticks of ram instead of 1 or 3 sticks of ram.
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JST1946
Senior Member
_ 		28. April 2013 @ 20:16 _ Link to this message    Send private message to this user   
I ordered mine from Amazon.com and got a pretty good deal and fast shipping.

http://www.amazon.com/s/ref=amb_link_36..._rd_i=193870011
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20 Year U.S.Army Veteran.Vietnam 1969-1972 101st Abn.Div.
oldkraut48
Newbie
_ 		29. April 2013 @ 12:40 _ Link to this message    Send private message to this user   
Want to thank all who responded to my post. Want to especially thank JST1946 for recommending Amazon. When shopping for electronics or parts tend to forget Amazon. Also special thanks to ddp for providing the link for the hardware manual. Printed the whole thing out ( all 65 pages) and I think it will answer a lot of my questions on upgrades. Also will be a great reference. Thanks once again for all the help and advise.

Ted
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ddp
Moderator
_ 		29. April 2013 @ 12:41 _ Link to this message    Send private message to this user   
no problem.
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JST1946
Senior Member
_ 		29. April 2013 @ 15:31 _ Link to this message    Send private message to this user   
Your welcome.By the way I'm an old Pollock.
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20 Year U.S.Army Veteran.Vietnam 1969-1972 101st Abn.Div.
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oldkraut48
Newbie
_ 		29. April 2013 @ 15:50 _ Link to this message    Send private message to this user   
Glad to make your acquaintance. I am a fellow Veteran from the Vietnam era. Was in the Navy, but never got close to Vietnam. I got out in Sept. of 1969.
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