240 maximum memory

Older ThinkPads.. from the 600, the 7xx, the iSeries, 300, 500, the Transnote and, of course, the 701
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oski
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Location: Hertfordshire, UK

240 maximum memory

#1 Post by oski » Wed Jun 18, 2008 5:08 pm

Hi,

I am using a 240 (NOT 240x) with chipset i440BX, and 320MB of memory.
Tried with an 512MB stick instead of the 256 but only 256MB have been shown in BIOS!!!! so still 320MB in total.

Has anybody managed to have more than 256 usable? I got the impression the chipset was able to handle up to 1GB.

Any comments will be much appreciated

DPHMIN
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Location: Texarkana, Ark. USA

Re: 240 maximum memory

#2 Post by DPHMIN » Thu Jun 19, 2008 9:29 am

oski wrote:Hi,

I am using a 240 (NOT 240x) with chipset i440BX, and 320MB of memory.
Tried with an 512MB stick instead of the 256 but only 256MB have been shown in BIOS!!!! so still 320MB in total.

Has anybody managed to have more than 256 usable? I got the impression the chipset was able to handle up to 1GB.

Any comments will be much appreciated
Your experience mirrors mine. I also tried a 512/133 in my TP240, and it only showed 256 being recognized. (320 total).
Thinkpad 701C
Thinkpad 240
Thinkpad X23
Thinkpad X31

tim S
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Location: Yonkers, NY

#3 Post by tim S » Thu Jun 19, 2008 11:21 am

320mb is the max for a 240 (64mb + 256mb) and 256 is the max for the 240X.
The 240x achieves its maxium using the 64mb on board and a 192Mmb chip, which very hard, if not impossible to find. Or cutting one of the onboard chips to disable it and a low density 256mb in the slot.
I tried the cutting method unsuccessfully on a Celeron 240X and don't want to try again on my PIII version.
Tim S

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