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5 Posts

09-11-2009

Australia

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Installed additional RAM but computer performance now worse

2009-09-11, 7:25 AM

Can anybody please help? I have a T61 that came with 2Gb RAM (1GB + 1GB) and I recently purchased another 2GB chip. The problem is that after installation I had a total RAM of 3GB (1GB + 2GB), the Windows Experience Index score actually decreased!  It went from 3.5 to 3.1!!

Also, under the category Memory (RAM), the score remained unchanged at 4.8!! Should this have at least increased? Also, I am not noticing any improvements in performance.

Is there something that I haven't done or is there anything I should do after the installation? And yes, I did refresh/update from index score.

Please don't tell me I need to buy a new notebook!!!

Thanks :D

 

 

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94 Posts

08-31-2008

Bellevue, WA, USA

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  • Message 2 of 18

Re: Installed additional RAM but computer performance now worse

2009-09-11, 8:07 AM

Part of the problem is that with two differents sized DIMMs you lose the Dual Channel mode feature of the RAM, so the effective throughput of the RAM would be lowered compared to the two 1GB modules that operated in dual-channel.

 

If possible I would suggest 2 x 2G modules for a total of 4GB or if you can afford it 2 x 4G modules for a total of 8GB this will keep the dual channel mode active and the RAM performance optimal.

 

http://en.wikipedia.org/wiki/Dual-channel_architecture


T400 6475-8Q5 | 8GB RAM | WXGA+ | Seagate 500GB 7200 | Win 7 Pro 64-bit............T61 7658-CTR | 8GB RAM | WD Black 320GB
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21115 Posts

12-20-2008

Australia, Melbourne

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Re: Installed additional RAM but computer performance now worse

2009-09-11, 8:36 AM

which OS do you have, and which ram modules did you purchase... also installing the 3 gig ram wouldn't make anything run faster than compared to 2 gigs, unless that your programs used up all the 2 gigs and were using the hdd for memory. 

 

Just like a ferrari wouldn't be faster than a Mini driving at the same speed.

Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
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114 Posts

02-27-2008

Hudson Valley, NY

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Re: Installed additional RAM but computer performance now worse

2009-09-11, 8:53 AM
CAS and Ram Latency also have an effect.

 

http://forums.lenovo.com/lnv/board/message?board.id=T_Series_Thinkpads&message.id=9438

 

Think of it like a a gasoline. Going from 10 to 20 gallons of gas will get you further but if you put in 87 in stead of 101 octaine your sports car will be slower.

 

Adding more ram will help only if it is the correct RAM and correct configuration.

 

Post the Thinkpad name Model and type and the forum can help you more.

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5 Posts

09-11-2009

Australia

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Re: Installed additional RAM but computer performance now worse

2009-09-11, 9:34 AM

Thanks for the help and feedback guys...

 

Okay the OS is Vista (Home Premium), the T61 model is 6465-A13

The RAM I purchased from Lenovo is a 2GB PC2-5300 DDR2 SDRAM SODIMM.

When I first got my T61 it came with 2 x 1GB PC2-5300 CL5 DDR2 SDRAM SODIMM.

I know my notebook's a little outdated now (2 years old) but I was just looking for a little more performance especially with using media features.

Thanks also for the links I'll be sure to read up on all the different configurations. 

It appears that upgrading memory isn't as straight forward as the Lenovo website makes it seem!


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114 Posts

02-27-2008

Hudson Valley, NY

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  • Message 6 of 18

Re: Installed additional RAM but computer performance now worse

2009-09-11, 9:40 AM

Try to find this kit at you local Supplier in Australia.

 

 

G.SKILL 4GB (2 x 2GB) 200-Pin DDR2 SO-DIMM DDR2 667 (PC2 5300) Dual Channel Kit Laptop Memory Model F2-5300CL4D-4GBSQ
It is a dual channel matched set kit with the lowest CAS timings avaliable for this memory speed.

 

http://www.newegg.com/Product/Product.aspx?Item=N82E16820231154

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5 Posts

09-11-2009

Australia

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Re: Installed additional RAM but computer performance now worse

2009-09-11, 9:45 AM

Southpaw, I'm gonna order this online from the site. 2GB x 2 looks like the way to go. I'll let y'all know once I get it. Thanks again...

:smileywink:

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21115 Posts

12-20-2008

Australia, Melbourne

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  • Message 8 of 18

Re: Installed additional RAM but computer performance now worse

2009-09-11, 9:49 AM

try the PCMark to do the bench marking rather than the window's version. The T61 is no slouch... i am happily using a T41 which only has 1.4 ghz Pentium-M which doesn't seem to be that much slower running single Office apps compared to a T400 using the XP OS. Obviously the difference would increase when we use more memory intensive, and CPU/GPU intensive apps.

 

I have several T61 that i use, and it doesn't feel much slower than the W500 or T400.... 

Regards,

Jin Li

May this year, be the year of 'DO'!

I am a volunteer, and not a paid staff of Lenovo or Microsoft
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114 Posts

02-27-2008

Hudson Valley, NY

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  • Message 9 of 18

Re: Installed additional RAM but computer performance now worse

2009-09-15, 6:49 AM

Pic is my WEI with that memory. Still waiting for a few 64 drivers for win 7 :smileysad:

 

Hope that is fast enough memory for ya.

 

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5 Posts

09-11-2009

Australia

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  • Message 10 of 18

Re: Installed additional RAM but computer performance now worse

2010-01-30, 3:41 AM

I read in another topic here that the maximum for 32-bit Vista is 3GB RAM, and that getting 4GB or higher won't help (for a T-61). Can someone out there confirm that?

 

Thanks Guys

Phil

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