dual channel memory on T61?

tesna · 5th July 2007, 4:04 PM

I just got IBM/Lenovo Thinkpad T61 few days ago, with T7300 800fsb, 1 GB DDR2 667mhz RAM, Nvidia Quadro, WXGA+, etc2.

I'm planning to add more ram to 2 GB, however I dont know whether the mobile chipset (centrino pro/santa rosa) supports dual channel or not. I goggled arround, some say it has 64 bit memory bus, so no performance gain, some say it has 128 bit and dual channel is very important to avoid bandwidth bottleneck.

Nothing mentioned in the manuals. Can anyone confirm this? If it really support dual channel and quite an improvement in the performance I will buy a matched pair of 1 GB SO-DIMM DDR2 667 ram. If not, I just bought any brand of 1 GB 667 DDR2 RAM.

tesna · 8th July 2007, 2:49 PM

I end up buying another piece of 1 GB kingston value ram PC 5300, and it works in dual channel mode despite different brand/chipset of another 1 GB module.

McbLt · 8th July 2007, 3:16 PM

hmm maybe try CPU-Z and see if it lists your RAM as being in dual channel?

http://www.cpuid.com/cpuz.php

tesna · 8th July 2007, 6:09 PM

yup, it's confirmed in everest and cpu-z

5th July 2007, 4:04 PM	#1
tesna Member Join Date: Sep 2002 Posts: 234	dual channel memory on T61? I just got IBM/Lenovo Thinkpad T61 few days ago, with T7300 800fsb, 1 GB DDR2 667mhz RAM, Nvidia Quadro, WXGA+, etc2. I'm planning to add more ram to 2 GB, however I dont know whether the mobile chipset (centrino pro/santa rosa) supports dual channel or not. I goggled arround, some say it has 64 bit memory bus, so no performance gain, some say it has 128 bit and dual channel is very important to avoid bandwidth bottleneck. Nothing mentioned in the manuals. Can anyone confirm this? If it really support dual channel and quite an improvement in the performance I will buy a matched pair of 1 GB SO-DIMM DDR2 667 ram. If not, I just bought any brand of 1 GB 667 DDR2 RAM.

8th July 2007, 2:49 PM	#2
tesna Member Join Date: Sep 2002 Posts: 234	I end up buying another piece of 1 GB kingston value ram PC 5300, and it works in dual channel mode despite different brand/chipset of another 1 GB module.

8th July 2007, 3:16 PM	#3
McbLt Member Join Date: Dec 2003 Location: Adelaide, SA 5000 Posts: 1,102	hmm maybe try CPU-Z and see if it lists your RAM as being in dual channel? http://www.cpuid.com/cpuz.php

8th July 2007, 6:09 PM	#4
tesna Member Join Date: Sep 2002 Posts: 234	yup, it's confirmed in everest and cpu-z