Keith Combs' Blahg

Ramblings from another nerd on the grid

My Lenovo ThinkPad T61p now has 8GB of RAM

My Lenovo ThinkPad T61p now has 8GB of RAM

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Kingston Technology was kind enough to sent some evaluation 4GB SoDIMMs to me for installation and testing.  They arrived a little later than expected this week but were sitting on the front porch when I got home tonight.  They are now installed and I thought a quick screenshot might be in order.  As you can see, the overall speed rating from the Windows Vista WinSAT assessment test is the same, but I have twice the capacity as before.

I’ll be putting them through their paces as much as possible over the next few days before I head to TechEd 2008.  I need to finish getting through some UNIX interop content first thing in the morning then I’ll start building out an environment with some teeth.

What’s the current laptop world record for the number of Windows Vista virtual machines that are executing?  Might be fun to put up a number before my flight.


See or click the pic above for the Kingston ecommerce store price on the memory I received.

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  • Was there any problem getting the T61p BIOS to recognize the new Kingston RAM?

    I'm considering buying a T61p to run (64-bit) Fedora but was waiting until I was sure I could have 8 GB RAM.  Sounds like it's imminent....?

    I wonder if Lenovo will offer the 8 GB option directly (like Dell does for the M6300), or whether I'll have to order separately from Kingston.

  • There were no problems at all.  I was already on the most recent BIOS (I think).  My BIOS is at 7LETB4WW (2.14) 3/24/2008.  I just pulled out the two 2GB SoDIMMs and popped the two 4GB SoDIMMs in.  No reactivation or anything else was required.

    You can buy the memory today directly from Kingston and I'm sure they are supplying the channel over the next few days, weeks and months with product.  I understand other memory makers will be doing the same as well.

    As for a 8GB option, I would imagine all of the OEM's will look closely at offering a laptop workstation with more memory and a 64 bit OS.  Keep in mind this may require drivers and integration on their part, so don't expect it to happen immediately.

  • Can you manage (as in lower) the amount of memory allocated to the graphics controller to 512MB.

    I currently have a HP compaq nx6325 with 4 GB, but the bios takes away just over 1251 MB and not a thing can be changed about it. I'm looking for a replacement with 8 GB capability, but don't want my foot caught in a shared memory trap again.

  • Nice! (but a bit too pricey...)

    According to the Kingston site, the 6910p can only take 4GB RAM total. Not sure if they just haven't updated that section, or whether it's a limitation of the HP notebooks.

  • I'm envious, so do you notice a real life difference?

  • My ancient ThinkPad is maxed out as far as hardware goes so this report will trip the scales in favor of purchasing a replacement. On a related RAM note, my clients do not know what to think of me when I tell them that I put antifreeze in my test machine desktop. It is a black edition Phenom 9850 quad core running at 2.8 GHz with eight GB of RAM,  Vista Ultimate 64-bit, at a cool 125 degrees, via the Bigwater 760i cooling system. Since I am an AMD guy, I wonder if Leveno will offer the Puma CPU on the ThinkPad? By the way bro, how is that report shaping up on Windows 7? Inquiring Okies would not mind knowing, lol!

  • Windows 7?  What's that?  At the moment Win7 is Windows division only but the floodgates will eventually open on the first public beta.  Usually those happen on the big Dev conferences.  Will see if history repeats.

  • Stuart,

    Most of the documentation on the internet is wrong.  Nearly every Santa Rosa laptop will be able to use 8GB of memory.  I'll stick the two 4GB sticks in my HP 6910p tomorrow and post a screenshot or something.

  • Brandon,

    I haven't noticed any big difference but I have just been running a couple of virtual machines today.  I expect the difference will show up when I try to run 10 virtual machines.

  • Keith,  how did your experiment with HP 6910p go?  Did it recognize the 8GB?

    I have a Dell D630.  Is there any way to confirm that 8GB would be recognized before I risk buying the SODIMMs?

    Lastly, if you don't need to send back the 8GB, would you be interested in selling it?  :-)

    Thanks for sharing your experience.  

    For me, 4GB is barely acceptable right now for doing virtualization.  8GB would give me some much needed elbow room.

  • Hello,

    Would you think that a T61 T7300 running Vista Ultimate 64bit would have a problem running 8gig of ram??


  • Keith,

    My T61p (8891CTO) with 4GB gets a 5.1 subscore on Vista 64 SP1.  It was ordered direct from Lenovo with my laptop.  I know this is a minor difference from the 4.8 you get, but why?  Overhead?  I think both are DDR2-667.

    Have you run enough apps at one time to be above 4GB of allocated memory, e.g. virtualization?  What was your experience?


  • I have no idea on the 4.8 score on the memory.  I actually have two T61p's.  I gave my personal T61p to my wife.  Is that love or what?

    Anyway, both have always scored 4.8 and I wondered if 800MHz memory would change that. I am not worried about it because I don't think memory speed has ever been a bottleneck on anything I run.

    As to the above 4GB question, yes, I've been using more than 4GB pretty regularly over the last month while running Windows Server 2008, Hyper-V, and several virtual machines.

    For fun, look at what I did at

    That's 27 instances of Windows Vista and 1 instance of Windows Server 2008 all running on a single laptop at the same time.

  • Hi i would like to ask you about something. I have installed another 2GB RAM on my T61p so now i have 4GB of RAM but when the BIOS is starting it shows only 3 GB :-( OS is Windows XP 32 bit but i thought that bios has nothing to do with OS, so it should show 4 GB. Am I right? Any chance to solve this? Any ideas? 2GB of RAM is original Lenovo 2GB DDR2 667MHz and the new module is Kingston 2GB DDR2 667MHz CL5.

  • What CPU do you have in your T61p?  The T7500?

    To see above 3GB, you need to be running the 64bit version of Windows Vista or some other x64 operating system.