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L400 ram

post #1 of 7
8/26/06 at 12:27pm
Thread Starter 
my L400 did have a 128mb PC100 stick SODIMM

so i got a 256mb PC133 SODIMM when i put it in it boots fine etc

but when i look at windows hardware information it still says 128mb's and also in the it still says there is 128mb

but when i look at advanced info with Everest it says there is a 256mb module but the BIOS and windows doesnt show this
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post #2 of 7
8/26/06 at 12:46pm
Thread Starter 
take a look at mrcools L400

Re: ure l400
<HR SIZE=1><!-- / icon and title --><!-- message -->not sure about the bios version but i think i am running the latest one from dell.

There are two spots for ram one is at the bottom i think and one us uder the key board they both hold 256MB each

the performance is decent as i only use this laptop for surfing the net and playing solitare.
<!-- / message --><!-- sig -->__________________
1 x 9400 (1.86 DualCore,1 Gig Ram 667 Mhz,120 Gig HD,7900GS Dual Pipe + 17" LG TrueLife)
1 x D810 (2.13 Ghz, 1 Gig Ram, 60 Gig HD, 6800go)
1 x Mac Book Pro (1.86Ghz DualCore, 15", 80Gig) Running Tiger 10.4.6 and WIndows XP Media Center
2 x C800 (1 ghz. 1 Gig Ram, 30 Gig HD)
1 x L400 (700 Mhz, 512 MB RAM, 30 Gig HD)
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post #3 of 7
8/26/06 at 3:57pm
Thread Starter 
*bump*****
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post #4 of 7
8/28/06 at 9:46am
Thread Starter 
bumpety bump
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post #5 of 7
9/4/06 at 8:35pm
Thread Starter 
should i try this somewhere else in the dell bit?
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post #6 of 7
9/5/06 at 10:25am
You may be able to put in a 256 MB chip, however the system might only address a total of 256 through both RAM DIMM channels (threshold of chipset, not actual slot type). I have an old system that did the same thing. I bought a 256 MB DIMM, BIOS recognized all 256 MB of the dimm, however windows was only able to address 128. Found out later on that it was because the system may be able to address the 256 total, but it had to be spread over the two available DIMM slots.

So I was SOL.

Bios updates will not fix a memory addressing issue. They'll only fix things like being able to use a certain processor, or perhaps a higher RAM speed rating (say from DDR 2100 to DDR3200). Doesn't mean they'll be able to run at DDR3200 speeds, just means that you can use those DIMMs in the system.

Hope this helps you out.
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post #7 of 7
12/1/06 at 8:51pm
Thread Starter 
Quote:
Originally Posted by Greenwall
You may be able to put in a 256 MB chip, however the system might only address a total of 256 through both RAM DIMM channels (threshold of chipset, not actual slot type). I have an old system that did the same thing. I bought a 256 MB DIMM, BIOS recognized all 256 MB of the dimm, however windows was only able to address 128. Found out later on that it was because the system may be able to address the 256 total, but it had to be spread over the two available DIMM slots.

So I was SOL.

Bios updates will not fix a memory addressing issue. They'll only fix things like being able to use a certain processor, or perhaps a higher RAM speed rating (say from DDR 2100 to DDR3200). Doesn't mean they'll be able to run at DDR3200 speeds, just means that you can use those DIMMs in the system.

Hope this helps you out.
it supports up to 256mb ram but im wondering its locked in the bios of something?
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