What type Ram should I buy ?

2008-08-07 2:24 am
I am now using Thinkcentre A55--8706 model computer. Recently, I want to add 2 GB RAM ( 2 X 2 GB RAM). But I don't know which kind of Ram
should I buy. In my computer, there are 2條ram槽. I got some
infomation about CPU and memory of my computer:

CPU : Intel (R) Pentium(R) Dual CPU E 2140 @ 1.60GHs
Memory :
• 400MHz DDR or 533MHz DDR2 (Double Data Rate)
dual channel memory support
•PC2-4200 or PC2-5300 memory supported
•Two 240 pin DDR2 SDRAM UDIMM sockets
•Supports a maximum memory up to 2GB
•ECC or parity memory is not supported

Please give me advice about type of ram that I should buy , thanks a lot..!!!
更新1:

Thx..!!! I want to add some information here, my computer is a destop. And I want to add ( 2 X 2GB Ram ), so I guess I should buy Kingston DDR2 533MHz 2G SODIMM , right? once again, thx for your help..!!!

更新2:

Raymond, thx a lot for your help and suggestions. I understand that I need to buy 2GB DDR2-667MHz , am I right? However, there are 2 slots. If I keep the extisting 1 GB Ram and install a new 2GB DDR2-667MHz ram in the other slot, will it become unstable when running the system?

更新3:

How about if I install (2 X 2GB DDR2-667MHz ) Ram in the memory slots, will it become more stable and recognise 3 GB when running the system, any suggestions? Thx...!!!

回答 (3)

2008-08-07 6:25 am
✔ 最佳答案
Just wait!! Do not buy Kingston DDR2 533MHz 2G SODIMM !!
Just check at website Thinkcentre A55--8706 is using regular destop DDR2 ram instead of using sodimm ram!1 Sodimm ram is using for notebook only!!
IBM ThinkCentre A55 8706 (DDR2-667MHz) Desktop memory




IBM ThinkCentre A55 8706 (DDR2-667MHz) Memory













IBM ThinkCentre A55 8706 (DDR2-667MHz) memory configuration


Maximum Memory
4gb

Memory Slots
2 (2 banks of 1)
http://www.aememory.co.uk/ibm-thinkcentre-a55-8706-ddr2-667mhz-desktop-memory.html
You want add 2x2Gb ram?
**When installing total memory of 4GB capacity or more, Windows 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended








2008-08-07 00:08:50 補充:
I understand that I need to buy2GB DDR2-667MHz , am I right?

Yes,you are right! But for general purpose,2GB ram is enought Just add one stick of 1 GB ram in the other empty slot is OK^^

2008-08-07 00:26:52 補充:
There is another suggestion for you, you may install 2 sticks of 2GB ram on each ram solt. but using the extisting one GB volume for Ramdisk.you can refer the following links:

http://www.mydigitallife.info/2007/05/27/free-ramdisk-for-windows-vista-xp-2000-and-2003-server/
參考: me
2008-08-07 12:52 pm
朋友:
     買記憶體需知和安裝大全秘笈
  要加記憶體就要到你底板/廠機的官網看它的規格
,依那裏說明支援的照買就可以。*聽說買記憶體最好
是與現有的同廠,但自己用不同廠的未有過問題,容量
大小可不同-行雙通道除外,那時相同顏色的記憶體槽
插上同牌子、同速度、同時脈、同容量的兩條兩條的記
憶體(以規格為準為最真)。
      ***記憶體的除下***
  請將槽兩端的扣同時向外小心用力壓開直至記憶體
自動彈出(見相1的3和4就是記憶體槽)。
      ***記憶體的插上***
  DDR記憶體是有184 pins,DDR2則
有 240 pins,它們連插入槽部份的凹位(那
處是防呆位的位置)位置所在都不同(見相2),因此
插爛都不能插錯地插入槽,只要底板連機箱的有角銅柱
仔和一切裝得妥,向外推開記憶體槽兩端的扣,大力些
少在底板插上記憶體絕對無任何問題,直至記憶體左右
的扣自動扣入它兩端的凹位。
*寫明是ECC的,就要照買,不能用NON-ECC
 的(即不能用普通沒有檢錯功能的); 英文規格是
 specifications。

雲遊四海,浪跡江湖。

Photos
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圖片參考:http://space.uwants.com/attachments/2008/06/21/1443092_200806210030111.thumb.jpg


(2)

圖片參考:http://space.uwants.com/attachments/2008/06/21/1443092_200806210030112.thumb.jpg
2008-08-07 4:40 am
Kingston DDR2 533MHz 1G SODIMM HK$ 170.00 x2


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